Tektronix 5440 User manual

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1
T
EK T R O N IX
1
saao
OSCILLOSCOPE
1
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I N STRU CTIO N M A NU A L
Te k tronix, Inc .
Ρ . Ο . Box500
Beaverton, Oregon 97077

Serial Nu m b er
070-2139-01

F irst P ri n ti ng A PR 1976

W ARRANTY
All TEKT R O N IX instrume nts are warra n ted agai n st
d efective materials andwor k ma n s h ip fo
r
one year
.
Any questions
wit h
res p
ect
to
t h e w arranty sh oul d
be ta k
en
up wit h yourTE K TRON IX F ield E ngineeror
represe n tative .
All re q uests for repairs and
re p lacement parts
s
h
ould be d
irecte
d to
t h e T EK T R O N IX F iel d Office
or re pr esen tative in you r area . T h is will assure you
t h e fastest p ossible service . P lease i n clu d e t h e
instrument Type N umber or P art N um b er and Serial
N
umbe
r wit
h all
req uests for parts or service .
Sp ecificatio n s a nd price c h ange privileges
reserved .
Copyrig h t c 1976 by Te k tro n ix, Inc ., B eaverto n ,
O r egon .
P
rinted
in t h
e U
nite
d States of America . All
rig h ts reserved . Contents of t h is pu blication may n ot
be reproduced in any form wit hout permission of
Te k tronix, Inc .
U .S .A
.
an
d foreig n
Te
k tronix productscovered by
U
.S .
and foreign patents and/or p atents pend ing .
T
EK
TRON IX
is α
registered tra d emar k of Te k tronix,
I nc .

TABLE O F CO N T EN TS
SE CTIO N 1

O
PER ATI NG I NF O RM ATIO N
OPER ATI N G I N ST RU CTIO NS TA BLE OF CO N
T
EN TS
P age
F I R ST TIME O PER ATIO N 1-1
Calibratio n Ch eck

1-3
R ead out

1-3
B eam F i n der

1-3
E xter n al Inte n sity Input

1-3
G ENER AL OPER ATI N G I NF O RM ATIO N
1-3
Display F ocus

1-3
Trace Alig n me n
t Ad j ustme
n t

1-4
B eam F i n der

1-4
R eadout ( W or ks Only W it h 5400-Series Plug-In U nits)

1-4
O p tion 3, E xter n ally P rogrammed Sevent h an d E ig h t h
R
ead out
W
ords

1-4
Disp lay Switch
i
ng
L
ogic

1-4
V ertical Dis p lay M o d e

1-5
Χ - Υ O p eratio n 1-5
R aster Display

1-6
Inte n sity M odulation

1-6
Calibrator

1-6
Display Ph
otograp
h y

1-6
O PER ATI N G V O L TAG E 1-6
5400 P anel (Dust Cover) R emoval

1-6
P ower Transformer

1-7
I N ST RUMEN T CO NVER SIO N

1-8
R ACKM O UN TI NG

1-8
M ou n ti n g M et h o d 1-8
R ack Dimensions

1-8
Installing Th e Slide-Out Trac ks

1-8
I
n stallation An d Ad j ustme n t

1-11
Sli d e-Out Trac k M aintenance

1-11
O PER ATI NG T EMPER AT URE

1-11
PLUG-IN UN ITS

1-11
Installation

1-11
Selectio n
1-12
B
ASICOSCI
LL
OSCO
PE APPL ICATIO N S

1-12
P ea k -to- Pea k V oltage M easurements-AC

1-12
I n stantaneous V oltage M easurement-DC

1-13
Com
p
arison M easureme
n
ts

1-14
Time P eriod M easurement

1-15
Deter m ini n g F
re q
uency

1-15
R isetime M easu reme n t

1-16
Time Differe n ce M easurements

1-16
M ulti-trace Ph ase Differe n ce M eas u reme n t

1-17
H ig h R esolution Ph ase M easureme n t

1-18

5440
TA BLE
O
F
CO
N T EN
TS (cont .)

.
S PE CI F ICATIO N
2-1
P O WER TO E XT ERN A L E Q U I PMEN T

2-5
PERF O
RM
A N C E C HE C K

2-6
Intro d uction

2-6
Test Eq ui p me n t R e q uired

2-6
P relimi nary P rocedure

2-7
P erformance C hec k P rocedure

2-8
S ERV ICI N G I N ST RU CTIO N S TA BLE O F CO NT ENTS
S E CTIO N 3

CI R CU IT D E SC R I P TIO N
Introduction

3-1
I N T ERF
AC
E
CI
R
C U
IT

3-1
C h o p Oscillator

3-1
Divi d er Circuit

3-1
V ertical Amplifier and V ertical Integrate d Switc h i n g Circuit

3-1
H orizontal Amplifier

3-2
Trigger Am p lifiers

3-2
Ζ -Axis Sign al

3-2
VER TICA L A MPL I F I ER

3-2
Delay L i
n
e

3-2
Am p lifier

3-2
H
O
R IZO N TA LA MPL I
F
I ER
CI
R
CU
IT

3-3
Input Amplifier

3-3
Out p ut Am p lifier

3-3
Z-AXIS A MPL I F I ER AN D C RT CI R C U IT

3-3
Ζ -Axis Am p lifier

3-3
H ig h - V oltage R egulator

3-4
H
ig h - V oltage Out p uts

3-4
C R T Control Circuits

3-4
L O W - V O L TAG E P O WER S UPPL Y A N D
CA L I BR ATO R CI RCU IT

3-4
P
ower Input

3-4
L ow- V oltage R ectifiers and U nregulate d Out p ut

3-5
L ow- V oltage R egulators

3-5
L ine Trigger

3-5
C R T Heater W inding

3-5
Calibrator

3-5
RE ADO U T SYST EM 3-6
Disp lay F ormat

3-6
Develo p i n g t h e Disp lay

3-6
Circuit Analysis of R ead out System

3-7
S E CTIO N 2 S PE CI F ICATIO N AN D PERF O RM A N C EC HE C K
P age Ι
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TA BLE O F CO
N T EN
TS
(cont .)
SE CTIO N 4

M AI N
TENAN
C E

Page
PREVEN TI VE M AI N TENA N C E

4-1
CA B I NE T REM O VA L

4-1
C LE AN I N G

4-1
V IS UA L I N S PECTIO N 4-1
LUBR ICATIO N
4-2
S EM ICO NDU CTO R C
HE
C
KS

4-2
AD JU ST
MEN T A F T ERREP AI R

4-2
T RO UBLE
S
H
OOTI
N
G

4-3
T R O UBLE S H OOTI N G AIDS

4-3
TR O UBLE S H OOTI N G E Q U I PMEN T

4-4
TR
O
UBLE
S
H
OOTI
N G T E CHN
IQ
UE S

4 .-4
CO RRE CTI VE M AI N T EN ANC E

4-7
OB TAI N I N G REPL AC EMEN T PA RTS

4-7
SO L DER I N GT E CHN
IQ
UE S

4-7
COMP O
NEN T REM
O
V A L A N D REP L AC EMEN T

4-8
AD JU ST MEN T A F T ERREP AI R

4-12
REP AC K AGI N G F OR S H I PMEN
T

4-12
SE CTIO N 5

AD JUST MEN T
I NTR OD U CTIO N
5-1
Te k tro n ix F iel d Service

5-1
PREL I M I NA
RY PR
OC
E DURE

5-1
P
O
WER S UPPL YAND CA L I BR ATO R
5-1
C R T DISPL AY

5-4
VER TICA L SYST EM ( U si n g Calibration
F ixture)

5-5
VER TICA L SYST EM ( U sing 5
Α
48)

5-7
H O
RIZO NTA L
SYST
EM ( U sing Calibratio n F ixture)

5-8
H
O
RIZO NTA L SYST EM ( U si n g 5 Α 48)

5-10
RE ADO U T SYST EM
5-12
SE CTIO N 6

OPTION
I NF
O
RM ATIO N
SE CTIO N 7

REPL AC E A BLEELE CT RICA L P ARTS
SE CTIO N 8

DIAG
R AM
SAN
D
CI
R
CU
IT B OA RD I LLU ST R ATIO N S
SE CTIO N 9

REPL AC E A BLE ME C H AN ICA L P A R TS
Ι

CHA N G E I NFO RM ATIO N&T E ST E Q U I PMEN T
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5440

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5440 Oscillosco p e

Section 1-5440
O
PER ATI N
G
I
NF O R M ATIO N
T h e Te k tro n ix 5440 Oscilloscope
is
α
solid-state instrument designe d for ge n eral- p ur p ose applications . T h is
i n strument h as t h ree p lug-in compartme n ts t h at acce p t 5000-series plug-in units
to forma com p lete meas u rement system .
To effectively use t h is instrume n t, t h e o p eration a nd capabilities of t h e i n strument must be kn
ow
n . T h
is section describes
fro n t- p
a n el control fu n ctions, giving first-time and general operating informatio n . I n formatio n or( operating voltage,
'

instrume n t co n version, rac k
mou n
ti
n g, operating tem p erature, and p lug-i n i n stallation is also include d .
ι
'

Steps 1 t hroug h 19 of t he followi ng procedure p rovi de
an op eratio n al check to verify satisfactory operation of t he
oscilloscope
and associate dp lug-ins . R efer to F ig . 1-1 for
'

fro n t-panel con trol a nd connector
locatio ns .
'

1 . F or t he following proce d ure, α
5A-series amplifier
plug-i n sh oul d be i n one of t he vertical (left
o
r center)

Time- B ase Plug-in
pl u g-i n com p artments and α 513-series time- b ase p lug-in
should be i n t he h orizo n tal (rig h t) com p artment .

Display

Alternate (button out)
P osition

Ce n tere d
M ain Sec/Div

5 ms
2 . See Operating V oltage in t h is sectio n
before

V ariable Seco
nds/Div

Cal
(f
u
lly
cloc
k wise)
procee d
i
ng . Set t h eP O WER switch to off ( p ushed in) a nd

M ag

Off (button out)
'

co nnect t he 5440
to
α
power source t h at meets t hevoltage

M ain Trig L evel

Cou n tercloc k wise
an d fre q ue ncy re q
uirements of t h is i n str u me n t
.
Source

L eft (or R ig h t if t h e
am p lifier p lug-in is in
t he
'

3 . Turn t h e I N T EN SITY an d RE ADO U T I N T EN S co n -

cen ter com partment)
t r ols countercloc k
wise a nd pull t he P O WER switc h o u t to

Cou p ling

Auto T r ig, AC
tur
n
t
h
e i n str u me n t on . Set t h e fro n t- p a n el co n trols as

Cou p l, +Slo p e
follows :

M o de

M ai n Sweep
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F I R
ST TIME O PER ATIO N
Amplifie r
Plug-in
Dis p lay

On
P ositio n Centere d
C H 1 V olts/Div

.1
C H 1 V ariable V olts/Div

Cal
(fully
cloc
kwise)
C H 1 I np ut Cou p
li ng

DC
Trigger

C H 1
M ode

C H 1

O p
erating Information-5440
F
OC U S Control

I N T ENSITYCo n trol
Provides a
dju st m en t to
Co n trols d isplay brig h t-
obtai n α well- d efine d d is-

ness .
play .
ΕΧΤ I
N T EN SITY I NPUT
Con nector
P er m its app lication of Z-
axis
signals to the C R T
(DC cou p le d ) . Positive-
going signal
increases i n ten-
sity .
BEAM
F
I N D ER
Pu
s
h
button
Br ings beam on-screen ;
limits intensifie dd isplay to
area insi d e graticule .
F ig . 1-1 . Fr ont- an d rea r -panel cont r ols an d connecto r s .
RE ADO U T I
N T EN S
Co
nt r ol
Co n trols
b rig h t n ess of the
rea d out
portionof the
C R T d isplay . In
t h e f u lly
co unterclock
wise p ositio n ,
t h e
readout system is in-
operative .
G R AT I LLUM Co n trol
Controls Graticule illumi-
nation .
P O WER Switc h
Tu rns i n str u ment p ower on
or off .
CA L I BR ATO R L oop
Pr ovides positive-going
acc u rate 400-millivolt and
4- m illia mp ere s quarewave
at αfrequ ency of twice t h e
li ne fre quen cy for cali b ra-
tio n and probe compensa-
tio n .
2139-02

Operating
I n formatio n -5440
4 . Advance t he
I N T EN SITY control un til t
h
etrace
is at

14 .

Set t h e time-
b ase unit for magnifie
d o p eration .
t he d esired
viewing level . T he trace s houl
d app ear near t he

N otice t h at
t he read out d is p lay cha
n ges to indicate t he
graticule center
.

correct magnified sweep
rate . If α readout-co
d ed 10 Χ
probe is available for
use with t he vertical un it,
install it on
t he i np
ut
co n
nector of t he vertical p lug-in .
N otice th at t he
5 .

Connect a 1 Χp robe, or α
test lea d from t h e amplifier

d eflection factor i n dicate d by t
he readout is increase d by
p lug-i n i n put co nn
ector to t he CA L I BR ATO
R loop .

10 times w h en t he
probe is a dd ed . R eturn t he
time-base
unitto
normal sweep op eration an d disco
nn ectthe p robe .
6 . Tu r n t he M ain Trig Level
control cloc k wise un
til α
stable d isplay is obtaine d .
Ad j ust t h e vertical an
d horizon -

15 .

N otice t h at
t he rea d out from αp articular
p lug-in
tal

P osition

co n trols

so

t h at t he display

is
centere d occupies α s p ecific
locatio n on t he d is p lay area
. If eit her of
vertically and starts at t he left edge
of t he graticule .

t hevertical p
lug-in units is α dual-trace u
n it, notice t h at t he
read out for C han nel 2 a pp ears
with i n t he lower division of
t he crt below t he read out
for
C
hann el 1 .
7
. A dj ust t he F OC US control for
αsh ar p , well-define d
disp lay over t he e n tire
trace le ngth .
8 . Discon n ect
t
he
input sig n al and position t he
trace
vertically so
t h at it coin cides with t he ce n
ter h orizo n tal line
of
t he graticule .
9 .

If t he trace is not parallel
with t he center h orizo n tal
line, see Trace Alignment
A d j ustme n t i n t h is section
.
10 . R otate t he G
R AT I LLUM control t h roug h out
its
range and
notice t h at t h e graticule lines are
illuminate d as
t he control is turn ed cloc k wise .
Set t he control so
graticule lines are
illumi n ated as desire d .
Calibration C h ec k
11 .

M ove t h e trace two d
ivisions
below
graticulecenter
a n d
reconnect t he calibrator sig n al to t h e am
p lifier p lug-in
in put connector .
12 . T he disp lay s h ould be
four d ivisio ns in am p litu de
wit h six complete cycles (five complete cyclesfor50- h ertz
li ne fre q ue ncy) sh ow n h orizontally
.
An
i n correct d isplay
in d icates t h at t h e
oscillosoc pe mai n frame or p lug-ins
nee d to be recalibrated .
B eam
F inder
16
. M ove t he display off-screen
with t he vertical
p osition co n trol .
17 . P us h t he BEAM F I ND
ER button and observe t hat
t h e d is p lay compresses
i nto t he scree n area . R epositio
n
t h
e d
is p lay to screen ce n ter an d release
t he BEAM
F I ND ER button .
E xternal
Inte n sity In p ut
18 . Co nnect α 5 volt,
1 kH z si n e-wave or s q uare-wave
signal
to t he ΕΧΤ I N T EN SITY I NPU T connector on
t h e
rear p anel . Also, u se t he sig n al to externally
trigger t he
time-base p lug-i n .
19 .
Slowly rotate t he I N T EN SITY co n trol counter-
cloc k wise
until t h e trace appears to be αseries of dimme d
and brighten ed segme n ts . T he brig h te n e d segments
correspo nd with t he to p s of t he calibrator
squarewaves .
G ENER A L O PER ATI N G I NF O RM ATIO N
Display F ocus
R eadout

If α well-defined disp lay cannot be obtai n ed with t h e
13 . Turn t he RE ADO UT
I
N
T
EN S
control cloc k wise

F
OC U S co n
trol, even
at low
inte n sity setti n gs, ad j ustme n t
un til
an
al ph anumeric dis p lay is visible wit h i n t he to por

of
t he internal astigmatism
co
n trol may be require d .
bottom divisio nof t h e crt (reset t he F OC U S a dj ustme n t if
n ecessary for best d efi n itio nof th e readout) . C han ge t h e
V olts/Div switc hof t h e am p lifier p lug-in
t h
at is
selecte d for

To c
h
ec kfor proper setting of t he
Astig control, slowly
dis p lay . N otice t h at t he readout p ortio n of t h e d isplay

tur n t h e F OC US control t h roug h t he optim u m setting with
ch anges as t h e deflection factor is c h anged . L i k ewise,

αsignal d isplayed on t he crt scree n . If t h e Astig co n trol is
ch ange t he Sec/Div switc hof t he time-base un it
t hat
is

correctly set, t he vertical and h orizontal p ortions of t h e
selecte d for d is play . N otice t hat t he read out display forthe

trace will come into sharpest focus at t h e same position of
time-base u nit ch anges also as th e sweep
rate is ch ange d .

t he F OC U S co n trol .

Operati n g I n formation-5440
Trace Alignment Ad j ustment

dis p laye d
wit h i n
t he to p d ivisio
n
of
t he
gratic u le
and t he
If α free-run n i n g trace is not parallel wit h t h e h orizontal

rea d out from C ha nn el 2 is dis p layed directly below wit h i n
gratic u le lines, set t he Trace R otation ad j ustme n t (internal

the bottom division of t he graticule . Only t herea d out from
p lug-i n ch annels t h at are selecte d by d is p lay switc h es, or
ad j ustme n t) as follows : P ositio n th e trace
to
t he cen ter

by
t
h e mode switc h es of dual-c hannel p lug-i n s, ap pear i n
h orizo n tal li ne an d ad j ust t he Trace R otation a dj ustment

t he
readout display
.
s o t h at t he
trace is parallel wit h t h e h orizontal graticule
lines .
B eam F i n der
Th e BEAM F I N D ER switc h provides α mea ns of
locating
αd is p lay t h at overscans t he viewi ng area eit h er
vertically
or
h orizontally .
Wh en t h e BEAM F I ND ER switc h
is p resse d , t h e display is com p resse d wit h in t he graticule
area and t he display intensity
is
i n
creased
.
To locate
and
re p osition an oversca nn e dd is p lay, use t h e following
proce d ure :
1 . P ress t he BEAM F I ND ER switc h , h ol d it in, t hen
i ncrease t he vertical a nd h orizo n tal d eflectio n factors un til
t he d isplay
is
wit h i n t h e graticule
area .
2 . Ad j ust t h e vertical and h orizo n tal p osition controls
to ce n ter t he d is p lay about t he vertical and h orizontal
centerlines .
3 . R elease t he BEAM F I N D ER switc h ; t h e d isplay
should remain wit h
in
t he viewing area
.
R eadout ( W orks Only W it h 5400-Series Plug-in
U nits)
Th e rea dout system of t h e p ower su pp
ly/amplifier
and
d isplay mo d ules allows alp h anumeric d is p lay of i n forma-
tio n on t h e crt, alo n g wit h t he a n alog waveform displays .
T he information dis p laye d by t he rea d out system is
obtained
from
t he plug-in
units t h at are installe d in t he
p lug-in compartments . T he ch aracters of t h e readout
display are written by t he crt beam on α time-s
h
ared basis
wit h t h e signal waveforms .
T he R eadout System o p erates
i n
α free-r
u nn ing mo de
to
i n terru p t t he waveform d is p lay to p resent c h aracters .
T he waveform d is p lay is interru p ted for only about 20
microseconds for eac h c h aracter
t h
at is
d
is p
laye d .
T he rea d out information fro
m
eac
h p lug-in is called α
word . U p to
six (eig h t wit h Op tion 3) words of rea dout
information can be
d is p layed . T he locatio n at w h ic h eac h
readout word is p resente d is fixed and is directly
relate d to
t he p lug-i n u n it an d ch
annel from w h ic h it originated . F ig .
1-2 s h ows t he area of t h e g raticu le w here t herea d out from
each p lug-i n unit ch a nn el is dis p laye d
(external readout
programmi n g is available only
wit h Op tion 3) . N otice t h at
t he readout
from C han nel 1 of eac h p lug-in un it is
T h e RE ADO UT I NT EN S control determines t he i n ten-
sity of only t h e r eadout p ortio n of t he display i nd ependent
of t he ot h er traces . T he readout system is i nop erative in
t h e fully countercloc kwise O FF p ositio n Th is may be
desirable w h en t he to p and b ottom divisions of t he
graticule are
to
be use d for waveform d is p lay, or w hen t he
trace interruptions necessary to d is p lay ch aracters do not
allow α satisfactory waveform display to be obtained .
O p tion 3, Exter n ally P rogrammed
Sevent h and
E ig
h t h R eadout W or d s
Th is op tio n adds α25-p
in connectorto t he rear- p anel of
t
he 5440
t
hrough
wh
ic
h
two
ten-ch aracter readout words
ca n be dis p laye d on t he crt, see F ig . 1-2 .
DisplaySwitc h i ng L ogic
Th e electro
n
ic switc
h i n g
for
time-s h are d d isplays is
p roduced at t he plug-i n i n terface wit h i n th e mai n frame ;
however, t h e switc h ing logic is selecte d
i n t he p lug-in
units
.
T h e system allows any combi n ation of p lug-i n s a n d
Dis p lay switc h setti n gs . R efer to t h e indivi d ual plug-in
ma n uals for specific capabilities and operati
n g
procedures .
L eft
R ig h t
V ertical
V ertical
C h an
nel 1

C h a nn el 1
Horizontal H orizo n tal
Α
or
M
ai
n

Β or Delayed
L eft R ig h t
E xter n al E xter n al
V e r tical
V ertical W or d W ord
Channel 2

C hann
el 2

(C
h a nn el) 1

(C h a nn
el) 2
E xter n al rea dou t
i n formatio n w h e n
optio n is i n stalle d . 2139-03
F ig . 1-2 . L ocatio n of r eadout on th e crt identifyi ng t he origi-
n ati ng pl u g-i n un it and chann el (and exte
r
nal,
if
Optio
n3
is
i n -
stalle d ) .

ΝΟΤΕ
At sweep rates faster t
h
an
a ppr oximately 1 μ s, t
h e
5810, 5 Β 12, an
d 5813 Time B ase
plug-in trigger
circuit
will
riot
r es po nd fast enoug h
, w
h enused
in α
5440,
to allow t h e lea d ing ed ge
of t he dis p lay to be
observe d .
Differences in wiring
between t he 5100-series and
5400-series oscilloscope
plug-in interfaces will
not
allow
t he use of t he composite trigger
mode of t h e
5810, 5812, and
5813 Time B ase plug-ins w
h en
use
d in th e 5440 . 11 t he time base
units
a
r e pu t in t h is
mo d e, t h ey will trigger
off t he left vertical p lug-i n
only .
V ertical Plug-in Compa
r tments . Wh en α vertical p lug-i
n
is i n t he active
mo d e (Display bu tton p ush ed
in), α logic
level is
a pp lied to t he switc h ing circuit
i n t he mainframe
and αd is p lay from t h is plug-in
will occur . Wh en two p lug-
i ns are both active in t he
vertical compartments, α
multi-
trace dis p lay
will occur (Alter n ate or C h o p pe d ) .
Wh en no
plug-i n is i n th e active mode, t he
sig n al from t h e left
com p artment will b
e d isplayed . Α time-base un it operated
in one of
t he vertical com p artments h as α perma
nen t
i n ter
n al connection to apply α logic
level
to
t h e switc h i ng
circuit ; t h us, α vertical trace p ro
d uced by t h is unit will
always be d is p laye
d .
H orizontal Plug-in
Com p artme n t . Alternate or
C
h
op p
ed dis p lay switc h ing is selected on α
time-base un it
operated i n t he h orizo
n tal compartme n t . Wh en t he
Disp lay
switc h is out (Alt), α negative impulse is sup p lied
at t he e n d of t he sweep to allow
alternate switc h i ng
betwee n plug-i ns and p lug-i
n ch ann els . Wh en t heDisp lay
switc h is pushed i n (Ch op), αcho pp ed d isplay
will a p p ear
if α multi-trace display is re q uired
by t he p lug-i ns i n th e
vertical com
p artme
n ts
.
Α
vertical plug-in un it operated i n
th e h orizo
n tal
com
p artment h as α permanent
internal
co nn ectio n to provi de α ch oppe d d is p lay
if it is re q uire d .
V ertical Dis p lay M ode
O p
erating Information-5440
Display On . To
d isplay α sig n al, t he Dis
p lay butto n of
t
heap p licable vertical p l u g-in un
it mustbe pus hed in to
activate t he un it . If two plug-ins
are installed i n t h e vertical
compartments
and only t h e signal from one of
t he un its is
wa
n te d , set t he Display switc h of
t he unwa n te d u n it to Off
(butto n out) . If neit
h er plug-i n is activate d , t he sig n al
from
t he
left unit is d isplaye d . B ot h p lug-ins can b
e activated for
multi-trace d is p lays .
Alte rn ate M od e . T he alter
n ate p osition of t he time- b ase
un it
Disp
lay
switc h p roduces α dis p lay
t
h at
alter n ates
betwee
n activate d plug-ins a nd
amplifier ch a nn els wit h
eac h sweep of t h e crt . T he
switc h ing seque n ce is describ-
ed u nd er
Disp
lay
Switc h ing Logic i n t h is
section .
Alt h oug
h th e Alter n ate mode can be use d at all
sweep
rates, t h eC hop mode provides α more satisfactory
display
at swee p rates from abo u t one
milliseco n d/divisio n to five
seco nd s/division .
At
t
h
ese
slower swee p rates, alternate-
mode
switc h ing b ecomes difficult to view .
C
h
o pped
M ode . T he C hop p osition of t h e time-
b
ase
un it Display switc h p ro duces α dis p
lay t h at is electronical-
ly switc h ed b
etween chan n els at α 10G- k ilo h ertz rate .
T he
switc h i n g seq uence is discussed earlier
.
In ge
n eral, t he
C h op mo d e p rovi des t he best
d is p lay at swee p rates
slower t h an about
one millisecond/diviision or w h enever
du al-trace, si n gle-s h ot ph enome n aare to be
dis p layed . At
faster swee p rates, t he ch op p ed
switc h i n g becomes
a p paren t and may i
n
terfere
wit h t he dis p lay .
Dual-Swee p Displays .
Wh
enα
d ual-swee p time-base
u nit is op erated
i n t he h orizontal com p artment, t he
alternate
a ndch o pp ed time-s h ared switc h ing for eit h er
t he Α or Β sweep is i d en tical to t h at for α si
n gle time-base
un it . H owever, if both
th e Α an dΒ swee ps are operati n g,
t he 5440 operates i n t he in d epende n t pairs mo de . Un der
t h is cond ition, t he left vertical un it is always dis p laye
d at
t he swee p rate of t he
Α
time basea
nd t he rig h tvertical unit
is dis p
laye d at t he swee p rate of t h eΒ time-base (non-
delayed swee p only) . T h is results i n two displays
t h at h ave
com p letely i ndepe
nd en t vertical deflectio n an d ch op ped
or
alter n ate swee p switc h ing .
Switc h ing Se q uen ce . F our dis p
lay time slots are
p rovided on α
time-s h ari ng b asis . Wh en two vertical p l u g-

χ - Υ
O
p
eratio n
ins are active, eac h receives two
time slots, so t he
switc h i n g seq uence is :
left, left, center, ce n ter, etc . T he

In some a pp licatio
n
s, it is desirable to
dis p lay one
two
time
slots allotted to eac h p lug-i n are d ivided between

sig n al versus a n ot h er (X-Y) rat h er t h a n against an internal
amplifier ch a n nels in α dual-trace un it ; if two du
al-trace

swee p . T he flexibility of t he p lug-in un its available for use
p lug-i ns are active, t he n th e
switc h i ng seq uence is : left

wit h th e 5440 p
rovides α mea ns fora pp lying α sig n al to t he
C h a nn el

1, left C hannel 2, cen ter C hann el

1, cen ter

h orizontal deflectio n system for t h is type of d is p lay . Some
C han nel 2, etc . If only one vertical plug-i
n
is active,
it

of t he 513-series time-base un its ca n be o p erated as
receives all four time slots . T h e switc
h i ng se q uence is t he

am p lifiers, in additio n to t h eir normal use
as time-base
same for
both th e Alternate and C h oppe d d isplay mo d es .

generators .

O p
erating Information-5440
R aster Dis p lay

Dis p lay Ph otograp h y
Α raster-ty pe dis p lay ca n be use d to effectively increase

Α permanent recor d of t
h
e crt
display ca n be obtained
t heap pare n t sweep length . F or t h is type
of
d is p lay, t he

with
an
oscilloscope camera system . T he crt bezel of t he
trace is d eflecte d bot h vertically an d h orizontally by

5440 provides integral mou n ti n g for α Te ktronix os-
sawtoot hsignals, and is
accomplis h
ed by
installi ng α
513-

cilloscope

camera .

T h e

instructio n ma nuals

for t he
series time-base u n it i n t he left vertical compartment, as

Tektronix oscilloscope cameras include complete i n struc
well as one i n t he h orizo n tal com p artme n t . N ormally, t he

tio ns for obtaining waveform ph otograp hs
.
unit in th e vertical compartment sh ould be set to
α slower
sweep rate t h an t he one i n t he h orizontal com p artment ;
t h e number of h orizo ntal traces in t he raster d ep en ds upon

O PER ATI N G V O L TAG E
t he ratio between t he two swee p rates .
Information ca n
be
d is
playe
d on
t he
raster
using t he E xt I ntensity I np ut to
p
rovide intensity modulation of t he d is play . T h is type of
raster d is p lay ca n be used to provi deα television-ty pe
d is p lay .
T h is instrument
is
designed
for op eration from α
power source with its n eut r al at or near earth
I n tensity M odulation

(groun d ) potential,
and withαse p arate safety-eart h
conductor . It is not intended for operation from two
I n te n sity (Z-Axis) mo d ulatio n ca n be use dto relate α

phases of α mult ί -ph ase system, oracross t h e legs of
t h ir ditem of electrical ph enomena to t he vertical (Y-Axis)

α single-p h ase, three-wire
system .
an d t he h orizontal (X-Axis) coor d i nates wit h out affecting
t he waves h ape of th e d isplaye dsignal . T h eΖ -Axis
modulati ng sig n al, a pp lie dto t he ΕΧΤ I N T EN SITY I NPU T,

5400 P anel
(Dust Cover) R emoval
chan ges t he i n te n sity of t he d is played waveform to
p rovi d e t h is type of display . T h e voltage amplitude
re q uire d
for
visible
trace
mo d
ulation depe
nd s on
th
e

W A RN I N G
setti ng of t he I N T EN SITY control . About +5 volts will turn
on t he d isplay to α n ormal brig h tn ess level from an off

Dangerous potentials exist at
several p oints
level, and about -5 volts will turn t he d is p lay
off
from α

th roug h out t h e
oscilloscope . Wh en t he instrument
n ormal brigh tness level . "Gray scale" intensity mo d ula-

must be
operated wit h th e cabinet p a n els remove d ,
tio n ca n be obtaine d by a pp lyi n g sign als betwee n t h ese

do
not touc hex posed connections or com p
onents .
levels . M aximum safe input voltage is ±50 volts . U sable

Some transistors h ave voltage
prese n t an t h eir
fre q ue n cy

range
of
t he Ζ -Axis circuit is do to two

cases . Disconnect
power before cleaning t he instru-
mega h ertz .

ment or replacing parts .
Time mar kers ap p lie d to t h e ΕΧΤ I NT EN SITY I NPU T
provide αdirect time reference on t he d is play .
W it h
uncalibrate d horizon tal swee p or Χ - Υ o p eration , t he time
mar kers provide a means of read i ng time d irectly from th e
dis p lay . H owever, if t he mar kers are not time-relate dto t he
d is p layed waveform, α si n gle-swee p disp lay s
h
ould be
used (for
inter n al sweep
only)
to provideα stable d is p lay .
Calibrator
T he i
n
ter n al
cali b rator of t h e 5440 p rovides α co n -
venient sign al source for ch ec k ing basic vertical gain and
swee p timing . T h e calibrator signal is also very
useful for
a dj usting p robe compe nsation, as d
escribe d in t he p robe
i n str uction manual . T he out put sq uare-wave voltage is 400
millivolts, with in 1 ο/ο , and t he s q uare-wave
curre n t is 4
milliam peres, with
i n 1ο/ο . T he frequency of t he s q uare-
wave
signal is twice t h e power-line frequency . T he sig nal
is obtainedby cli p p ing t he p robe to
t he
loop .
T he cabinet pan els ( d ust
covers) of t h e 5400-series
oscilloscopeare
h el d in p lace by slotted fasteners . To
remove t he panels, turn eac h fastener
countercloc k wise α
q uarter tur nwithα large
screwdriver, coin, or similar
d evice .
T h en t he panelsca n be lifted away . T he instrument
shoul d be operate d wit h t h e pa n els in
p
lace
to protect t he
i n terior from dust, and to
elimi nate s h oc k h azar d .
Conductor
TA BLE
1-1
P owe
r Cor d Co n ductor Identificatio
n
U ngrou n de d ( L ine)
Grounded (
N eutral)
Grounding ( E art h ing)
Col or

T - Alterna te Color
B rown B l ac k
B lue
W h ite
Green-Yellow Gree n -Yellow

ι
'

P ower
Transformer
T
h e 5400-series
oscilloscope transformer p ermits
o p eration
from 100-volt, 110-volt, 120-volt, 200-volt, 220-
'

volt, and 240-volt sources wit h power-li n e fre q uencies of
50 to 400 h ertz . T h e range for w h ic
h
t h e p
rimary ta p s are
set is mar ked on t h e rear
p
anel of
t h e instrume n t . U se t h e
following proce d ure to obtai n correct i n strume n t o p era-
tion from t h e line voltage availa b le .
2 .

R emove
t h e bottom dust cover of t h e
i n
strume n t to
'

gai n access
to
t h e P
ower Supply
circuit
board .
ι
ι
ι
ι
1
ι
ι
1 . Disco nn ect t h e instrume n t from the power source .
3 . Co n vert from 120 volts to 220 volts n ominal li n e
voltage, or vice versa, remove t h e line-selector
bloc
k from
t h e s q uare- p i n co nn ectors (see F ig . 1-3) a n d re p lace it
wit h t h e ot h er bloc k . R emove t h e li n e fuse from t h e fuse
h ol d er locate d on t h e rear p a n el and re p lace it wit h on e
h avi n g
t
h e correct rati n g . T h e u n use d li n e-selector bloc k
and li n
e fuse can be stored on t h e P ower Supply circuit
boar d .
C
h a n ge t h
e
line-cord
powerp lug to matc h t h e
p ower-source rece ptacle or use
an
adap ter .
ΝΟΤΕ
T h e 120-volt bloc k is color coded br own, and it
connects t h e transfo r mer primary windings in
p ar a l lel . T h e 220-voltbloc k is colo r coded red, and it
co
n nects t h e p rimary windings in series .
4 .

To c h ange
regulating
ranges, p
lace t h e li n e-selector
bloc k on t h e d esired set of sq uare pins . Select
α range
t h at
is centere d about t h e average line voltage to
w h
ic
h
t h e
i n strume n t is to be co nn ecte d (see
Table 1-2) .
'

5 .

C h a n ge t h e nominal line voltage information on t h e
rear panel of t h e instrume n t . U se α non-abrasive eraser to
remove t h e p revious data, an d mar
k in new data wit h α
pe n cil .
6 . R e place t h e bottom d ust cover an d apply
p
ower to
t he i n strument .
Operating Informatio
n -5440
TA BLE 1-2
R egulating Ranges for P ower Transformer
L i n e
Selector
B loc k

R egulating R ange
P ositio n 120- V olts Nomi n al

220- V olts Nomi n al
L

90 V AC to 110 V AC 180 V AC to 220 V AC
Μ

99
V
AC to
121 V
AC 198
V AC
to
242 V AC
Η

108
V
AC to
132 V
AC
216 V AC to 264 V AC
L i n e F use

1 .25 Α slow-blow

0 .7 Α slow-blow
CA U TIO N
λλΛΛΛΛΛΛ
I

Damage to t h e instrument may result from incorrect
placement of t h e line-selecto r b l oc k .

F ig . 1-3 . L ocatio n of t h e line-selector b loc k on t h e P ower Sup p ly
ρ

circuit board .

Operating Information-5440
T he 5440 P ower Su pp ly/Amplifier module a nd t he
display mo d ule can be fastened toget h er stac k ed or side
b y si d e ; t h is permitsoperation as α be nch oscillosco p e, or
i nα sta n dar d 19-inc h rac k . T he two mo du les can q uic kly
b e converted from α benc h mo d el to α rac k mo un t model,
or vice versa .
F
ield co n versio
n
k its, i n cludi
ng
t h e
necessary parts, a nd instr u ctio ns are available an d ca n be
installe d at α later time . See your Te k tro n ix Catalog or
contact you r Te k tro
n
ix fiel d office .
I N ST RU
M EN T
CO
NVER SIO N
ΝΟΤΕ
B efore attempting to operate t h e i nstrument, ma k e
sure t h e mo d ule wiring interco
n nections ar e correct .
R ac k Dimensio n s
RAC KM O UN TI N G
T he rac k mo un t versio n of t he 5400-seriesoscilloscope
is desig n ed for o p eration i nα stan d a r d 19-inc h wide rac
k
t h at h as U niversal, ΕΙΑ , RE T M A, or W estern E lect r ic h ole
s p acing . Wh e n p r o p erly mou n ted, t h is i n strument will
meet all electrical an d en viro n me n tal specificatio ns give n
i n Sectio n2 .
M
ounting
M
et h od
T h is i n strume n t will fit most 19-inc h wide rac ks w h ose
fro n t and rear h oles conform to Un iversal h ole s p aci n g,
some dr illing may be required on r ac k s h avi n g ΕΙΑ
,
RE
T M A,
or W ester nE lectric
h ole s p aci ng . T h e slide-out
trac ks easily mo un t to t he cabi n et rac k fro n t and rear
vertical mounti n g rails if t he insi d e distance betwee n t h e
fro n t an d rear rails is wit h in 10-9/16 inc h es to 24-3/8
i n ch es . If t h e insi de dista n ce exceeds
24-3/8 i n ch es, some
mea n s of su pp ort is re q uired for t he rear en ds of t h e slide-
out trac ks . ( F or exam p le, ma k e exte n sions fo rt
he
rear
mounting brac
k
ets .)
as sh ow nin F ig . 1-4 Β , th e dimen sion betwee n t h e front
rails
s
h
ould be at
least 17-3/4 i nch es . T h ese dimensions
allow room on eac h si d e of t he instrume n t for t h e slide-out
trac ks to ope r ate so t h e i n str u me n t ca n move freely in an d
out of t h e rac k .
Dept h . F or p roper circulation of cooling air, allow at
least two i nch es cleara n ce b e h i nd t h e rearof t
h e instr u -
me n t an d any en clos ur e on t he rac k . If it is sometimes
necessary or d esirable to o p erate t he oscillosco p e i n t he
fully exte
n
ded position,
u
secables t h at are lo
n gen oug h
to
reac h from t h e sig n al source to t h e instrument .
I n stalling T h e Sli d e-Out Trac ks
T h e sli d e-out trac k s for t he i n strume n t consist of two
assemblies, one for t he left side of t h e instr ume n t a n d o ne
for t he
rig h
t side .
E
ac
h assem b ly co n sists of t h ree
sectio ns . Α statio n ary sectio n attac h es to t he fro n t an d
rear rails of t he rac k , t he c h assis sectio n attac h es to t he
i n strume n t (a nd is i n stalle d at t he factory),
a nd t he
interme d
iate section fits betwee n t h e ot h er two sections to
allow t he instrume n t to fully exten d out of t h e rac k .
Th e small h ardware components i ncluded wit h t he
slide-o u t trac k assem b lies are used to mo
un t t h e trac k s to
moststan d ard 19-i nch rac k rails h aving t h is com p atibility .
ΝΟΤΕ
1 . F ront and
r ea r
rail
h oles mustbe la r ge enoug
h
to
allow
inserting α 10-32 sc r ew t hr oug
ht h e rail
mounting h ole if t h e
rails
a
r
e
untappe d (see F ig . 1-
4A) .
2 . O r , front and r ear
rail h oles must be ta pp e d to
accepta 10-32 screw if Fig .
1-48 mounting met h o d is
used .
N ote
in Fig .
1-4 Β righ t illust r ation
t h
at
α
No .
10
was h e r (not supplied) may
be a d de d to provide
increasedbearing
su r face for t h e sli d e-out t
r
ac
k
stationary section fro n t flange .
H eig h t . At least 5-1/4 inc h es of ve
r tical space is
re qu ired to mount t h is instrument i n α
rac k . If ot h er

B ecause of t h e a b ove com
p atibility, t h ere will b e some
i n strumen ts are operated i n t
he rac k , an ad ditio n al 1/4

smallparts
left over . T he stationary an d i
n termediate
inc h is re q uir ed, bot
h above an d below t h e oscilloscope,
to

sections for bot h si d es of t he
rac k are sh i p pe d as α
allow
sp ace for pro p er circulatio n of
cooling air .

matc h ed set and shou ld
n ot beseparate d . T h e matc
h
ed
sets of bot h si d es
incl ud ing h ardware are mar
k
ed
351-
0195-00
on
t h e pac k age . To identify
t h
e
assemblies, n ote
W idt h . Α sta nd ar d 19-inc h wide rac
k may b e use d . T h e

t h at t h ea u tomatic latc h an d
interme d iate section stop
is
dimensio n of o p eni ng betwee
n t he fro n t rails must b e at

located n ear t
he
top
of t he matc h ed set .
least 17-5/8 inc h es
for a cabinet i n wh ic h t h e
front li p of t h e
statio
n
ary
sectio n is mounted b eh in d an un
ta pp ed fro n t
rail
as sh own in F ig . 1-4 Α . If t he
fro n t rails are ta pp ed, an d

M ou n ting
Pr ocedu r e . U se t he following
procedure to
t h e statio n ary sectio
n
is
mounte d i n front of t he fro
n t rail

m
o
un t bot h si d es . See F ig . 1-4for
i n stallation details .
REV . Α SEP 1978

1 . To
mou n t t h e instrument d
irectly above or below
anot her i n strument i n α
cabinet rack , select t he ap-
propriate h oles i n
t
he front rack
rails for t h e stationary
sectio n s, usi ng
F ig . 1-5 as α guide .
2 .

M ou n t t h e stationary slide-out trac
k sections to t he
fro n t rack rails usi n g eit
her
of
t h ese met h ods :
( α ) If t he front fla n ges of t h e stationary sectio
n
s are
to be mounted be h i nd t h e
front rails (rails are counter-
sun k or n ot ta p pe
d ), mount t h e stationary sections as
sh ow
n i n F ig . 1-4 Α rig h t illustration .
Dee p
R ac k Co nfig ur atio n

Ι S h allow R
ac k Configuration
10-32
ΡΗ 5
Scr
ew
(2)
Sli deou t T r ac k
Statio na r y
Sectio n
Dee p R ac k Co n figu r atio n
10-32
BHS
Sc r ew
Sli d eo u
t T r ac k (2)
Stationary
Sectio n
R ea
r M o un ti n g
Br ac k et
10-32
BH
S
Sc r ew
(2)
Left R ea r Co rn e r

Ι Left Rea r Co
rn er
of Ca b i n et Rac k of Ca b i n et R ac
k
10-32
BH S
Sc r ew
(2)
10-32
Sli deo u t T r ac k

ρη S
Sli d eo u
t T r ac k Stationary Sectio n

Ι Statio na r y Sectio n
Sc r ew
zz :~
(2)
B a
r
Nut

10_32
,
ΡΗ s
Rea r M o un ti n g
Screw
Br ac k et
(2)
Sh
allow R ac k Co n fig ur atio
n
10-32
BH S
Sc
r ew
(2)
(b)

If t he front
flanges of t h e stationary sections are
to be mou n te d in front of t h e front rails (rails are ta p pe
d
for 10-32 screws), mount
t he statio n ary sections as
s h ow
n in F ig . 1-4 Β rig h t illustratio n . To provi de
in-
crease d bearing surface for t
h
e
screw h ea d to securely
fasten t he front
fla n ge to t h e rail, α flat was her (not
su pp lied)
may be a dd ed un der t h e screw h ead .
H owever, if t h is mounting met h o d is used,
t he fro n t
pan el will not
fit
flus
h agai n st t he front rail because of
t
he stationary sectio n an d was her t h ic kn ess . If α flus h
fit is p referred, met h od 2 ( α ) s h ould be use d
.
( Α )
Top view
of ca b i n et r ac k . Fr o n t and
r ea r r ails a re n ot ta pp e d .
( Β ) Top
view of ca b i n et r ac k . Fr o n t and
rear rails a r e ta pped fo r No . 10-32 sc r ews .
O p
erating Information-5440
Sli d eo u
t T r ac k
j Sli d eo u
t Tr
ac
k Statio n a r y Sectio n

ι Stationary Sec t
io n
10_32
l,

ΡΗ 5 Sc r ew
121
F ig . 1-4 .

M ou n ti n g t he left statio n ary sectio n (wit h its matc h ed i ntermediate sectio n , n ot s
h own in illustratio n s Α and Β ) to t h e
r ac k rails .

Operati ng Information-5440
5 .2"
RACK RAIL TYPES
1912
5 *0062
ΕΔΘΙΝΕΤOPENING

UNIVERSAL
ALTERNATE
Γ

FOR
Ι
9" PANEL -~

TYPE
7 ΥΡΕ

ON, LLING
'RILING
0125-0187
ΟΙθ 7
τΜ 6κ

τΝΙΟΚ
MOUNTING Ι

17' .'71

MOUNTING
RAIL

CLEAR ΡΕΝΙΗ G

ρρη
1250
ο 62
ο
5
5
ΟΟ 05 Ο 0
Ο
ι 25 Ο 0

Ο 6205

G
ΘΙΝΕ 7
PANEL
Ι - λ W ΝΤιΝ G
SPACE
ι 750
MULTIPLES
M - q οΟ Ο 5 Ο 0~
250

0625 I1
0 625~_

~~
_&
0

0 5 ΠΟ ~
Ι
250
0625
062
00 Ο 500
ιτ 50
0625
os25 _
25 Ο -6000

011,
-0000
TOP Θ

TOP Θ
BOTTOM BOTTOM
TAP
-10
- 32NF 2

TAP
Η
10 -52NF2
Drill and tap 10-32
i n eac h front
rail, if th e
i n str um ent fro n t- pa n el
is going to be sec
u re d to t h e rack .
Sec uring screws
are not p rovi d e d .
0
Ορ
F ig . 1-5 .
Dime n sion al d iagram .
7 -- f
2 5/8"
f or secu ri ng

5 1/4" op ening for
f r on
t- p a
n el scr ew

installi ng t he R 5440
(5 3/4" if ad j ace n t
inst ru men ts a re to
b e ope r ate d ) .
P an el of
i
n st ru
ment
a b ove
5/8" fo r m o un ti n g
statio n ary sectio n
7/8"

I

/

I

Panel of i n str um e n t
below
T h
is
h ole mu st bed rille d
(a
nd
ta pp e d 10-32, if desire d
)
i n eac h
front and rear r ail of ΕΙΑ ,
RET M A or W estern E lectric
racks .
α
L__
t
_
ι
Su ggeste d fro n t-
p a n el to
r
ac k
sec ur
i
ng h ard ware .
H ar d wa
r
e is
Ί ----_---

not-,
s up plie d wit h i n stru-
me n t .

Ι
ί Teflo n W as h er (2 ea .)

Ι
Ι

Cu p W
as he r
(2
ea .)

Ι
Ι

\

Ι
10-32

Ι
ΟναΙ H ead S crew

Ι
(2 ea .)

3 .
M
ou
n t t h e stationary slide-out
sectio ns to t he rear

Sli d e-Out
Trac k M ai ntenance
rack rails using eit her of t h ese
met h ods .

T he slide-out
trac ks re q uire no
lubrication . T h especial
dar
k gray fi n is h on
t he sli d ing parts is α
perma n ent
lub r ication .
( α ) If t h e rear rac k rail h oles
are not ta p ped to accept
10-32 mac hine
screws, mount t he left statio
n ary
sec-
tion with har d
ware p rovide d as sh own in t h e
left or
center illustration of F ig . 1-4 Α .
N ote t h at t he rear
mou n ting brac k et canbe
i n stalle d eit h er way so t h e
slide-out trac
k s will fit α d ee p or sh
allowcabinet rac k .
U se F ig . 1-4 Α as α guide for
mounti ng t h e rig h t
statio n ary section . M a k e sure
t hat t h e stationary sec-
tions are horizon
tally aligned so t h ey are
level and
p arallel with eac h ot her .
2 . Insert t he instrument chassis sectio
n
s
i nto t h e
Installation
O p erating Information-5440
O PER ATI N G
T EMPER AT URE
T he 5440 can be o p erate
d wh ere t h e ambie
n t air
tem p erature is between
0°C and +50°C . T he instrume
n t
ca n be store d in am
b ie n t temperature betwee
n -40'C and
+70°C . After
storage at α temperature
beyo n d t h e
o perating
limits, allow t h e
chassis temperature to
come
with i n t he o p
erating limits before p
ower is ap plie d .
(b) If t he rear rack rail
h oles are ta p ped to accept
10-32 mac
h ine screws, mount t he left statio
n ary sec-

Α t h ermal
cutout i n t h e dis p lay
mod u le provi d es
tio n wit h hard ware p rovi d ed as sh ow
n in t h e left or

t h ermal p rotection and
disconnects t he power to
t he
ce n ter illustratio n of F ig .
1-4 Β . N ote t h at t he rear

instrume n t if t he
i n ternal tem p erature exceeds αsafe
mounting brac k et can be
installe d eit her way so
t he

op
erati n g level
. T h is device will
automatically re-apply
sli d e-out
tracks will fit α dee p or sh
allow cabinet rac k .

power
w he n t he temperature return
s
to αsafe
level .
U se F ig . 1-4 Β as αgui d e for
mou nting t he rig h t
stationary section . M
ake
sure
t he stationary sections
are horizontally
aligned so t h ey are level and p
arallel

PLUG-IN UNITS
with eac h ot h er .
T he 5440 is designed to acce p
t
up
to t h ree Te ktronix
5000-series p lug-in
un its . (Only t he p ug-in units with
out
Installatio n AndA d j ustment

an
Ν suffix will provide dis p lay reado
u
t .)
T h is plug-i n
feature allows αvariety of d is p lay
combi n ations a nd also
To insert t
h
e
instrument i nto t he rac k , p roceed as

allows selection of
bandwi d t h , sensitivity, d isplay
mode,
follows :

etc .,
to meet t he meas u rement
requirements . In additio n , it
allows t he oscillosco p
e system to be ex panded to meet
1 .

Pull
t
h e sli d e-out
trac k intermediate sectio ns out to

future

measurement

re q uirements .

T h e

overall
t he
fully exte nd ed position .

capabilities of t h e resultant system
are in large p art
determine d by t h e ch
aracteristics of t he plug-ins selected .
i n termediate sections .
To
i n stall αp lug-in unit into o n e of t h e plug-in
com p artments, alig n t h e slots i n t he top a
nd bottom of t h e
3 .

Press t he stop latc h es on
t h e c hassis sections an d

p lug-in with t he associate d guides
in t h e p lug-in com p art-
pus h t h e i n
strume n t
towar
d t he rac k un til t he latc h es snap

me n t .

P
us
h

t he

plug-in

u n it

firmly

into t h e

plug-in
i
nto
t h eir h oles .

compartme n t un til it lock s i n to place . Toremove α p lug-i
n ,
pull t h e release latc
h
on t
he p lug-i n unit to disengage it
an d pull
t h e unit out of t he plug-in compartment . P l u g-i n
4 . Again press t he stop latc h es an d
p
us h
t h
e
i n stru-

units can beremoved or installe d witho u t tur n i n g off t he
me n t into t h e rack .

i n strument p ower . It is not
necessary that all of t he plug-in
compartmentsbe fille d to operate t he i n strume n t, t he only
plug-ins n ee d ed
are t h ose re q uired for t he measurement
To ad j
ust t he slide-out track s forsmoot h slidi n g actio n ,

to be
ma d e,
loose n t he screws used to join t h e statio n ary sections to
t he rails of t h e rack . Ce n ter t
he instrument, allowing t he

Wh en t he d is p lay unit is ad j uste d i n accordance
with
sli d e-out
trac k s to see k t he pro per widt h , t h en tig h ten t he

t h e ad j ustme n t p rocedure given
in t he d is p lay unit instruc
screws .

tion ma n ual,
t he vertical and h orizo n tal gain are sta n d ar-
dized . T h is allows a dj uste d p lug-in units to be c h
ange
d
from o ne pl u g-i n com p artme n t to anot
her with out
read-
To secure t h e i n strume n t fro n t- p anel to
t he rac k , t he

j
ustment .
H owever, t h e basic a dj ustment of t he indivi dual
rack must eit
h
er
h ave u n iversal h ole s p aci n g, or α h ole

p lug-in units shoul d be ch ec k ed w h en t h ey are
installe d in
must be d rille d and tappe d for α 10-32 screw, see F ig . 1-5
.

t h is system to
verify t h eir measurement accuracy . See t he
U sing t he h ardware (not furnished)
in d icated in F ig . 1-5,

service i n formation section of t he p lug-i nun it ma nual for
secure t he R 5440 to t h e fro n t rails of t h e rack .

verificatio n procedure .

Operating
Information-5440
Selection
T he p lug-in versatility of t he
5400-series oscilloscope
allows αvariety of
dis p lay modes with ma n y differe n t plug-
i n s . T h e following
i n formatio n is p rovi d ed h ere to aid
in
plug-in
selection .
To p roduce α
single-trace display, i n stall α si
n
gle-
ch annel vertical un
it (or dual-c h an n el unit set for si n gle-
c h annel operation
) in eit her of th e vertical
(left
or
center)
com
p artments and α time-base unit
in t he h orizontal
(rig h t) com p artment . For d
ual-trace d is p lays, eit her install
α d ual-c hann el vertical unit
i n one of t he vertical com-
p artme n ts or install α single-c h annel
vertical unit in eac h
vertical compartment . Α
combinatio nof α single-c h an n el
an d α dual-c h a nnel
vertical unit allows α t h ree-trace
d is p lay ; li
k ewise, α combinatio nof two d ual-c
hannel
vertical
units allows α four-trace d isplay .
To obtai nα
vertical swee pwith t he input
sign al
d is p layed
h orizontally, insert t h e time-base un
it into one
of
t he vertical com p artments an d t he am
p lifier unit i n t he
h orizontal compartme n t . If α vertical sweep
is used, t here
is no retrace bla nking an d t he
time-base un it triggeri n g
must be accomplis hed exter
n ally .
1-12
ι
H arley Carter, "An
Introduction to t he Cat h od e
Ray

'
Oscillosco
p e", Ph ili p s Tec h nical L ibrary,
Cleaver-
Hume P ress L td ., L ondon, 1960 .
J .Czec k , "Oscilloscope
M easuri n g Tec h ni q ues",

'
Ph ilips Tec hnical
L ibrary, Springer- V erlag, N ew
Yor k ,
1965 .
R obert G . M i dd leton, "Scope
W avefrom Analysis",
H oward W . Sams & Co . Inc ., T he
B obbs- M errill Com-
pany I nc ., In d ia napolis, 1963
.
R
obert G .
M i d dleton an d L . Do n al d P ayne, " U
sing t h e
Oscillosco p e in I n dustrial E lectronics",
Howar d W .
Sams &Co ., I nc ., T he B obbs- M errill Com
p a n y Inc .,
I n dia na p olis, 1961 .
J o
hn F . R ider an d Seymour D . U slan, "
E ncyclopedia of
Cat h ode- R ay Oscillosco pes and
T h eir U ses", John F .
R i der P ublis her Inc ., N ew Yor k
,
1959
.
J o hn F . R ider, "Obtai
n ing an d I n ter p reti n g Test Scope
Traces", John
F . R i d er P ublis h er I nc ., N ew Yor k , 1959 .
R ufus Ρ . Tur n er, " P ractical Oscilloscope
H
andboo
k ",

I
V olumes
1 and 2, J o h n F . R i der P ublis her
I nc
.,
N ew
Yor
k , 1964 .
F
or
Χ - Υ displays, eit her α 5A-series amplifier unit or
α
513-series
time-base unit h aving an amplifier c
h annel can
be i n stalle d in t he h orizo n tal
compartment to acce p t t he Χ

P eak -to- P eak
V oltage M easurements-AC
signal . T he Υ sig n al is co
nn ected to α 5A-series am p lifier
nit installed in α
vertical com p artme n t .

To
ma ke p ea k -to- p ea k voltage measurements,
use t he
u
followi ng p roce d ure :
S p ecial p urpose plug-in units may
h
ave
specific restric-

1
.

Set t he in p ut
coupli ng on t he vertical plug-in unit to

,
tions regar d ing th e com p
artme n ts in w h ic h th ey can be

Gn
d an d co
nn ect t h e signal to t h e in p ut connector
.
i n stalled . T h is
information will be given i n t h e instruction
ma nuals for
t h ese p l u g-i n s .
2 . Set t he i n put coup ling to ac a
nd set t he V olts/Div
switc hto d isplay about 5 or 6
vertical divisio ns of- t he
waveform . C h ec k th at
t he variable V olts/Div control (red
B ASIC OSCI LL OSCO
PE A PPL ICATIO N S

knob)
is in t he Cal position .
Th e 5400-series oscillosco pean
d its associate dp lug-i n 3 . Ad j ust
t he time-base triggeri ng controls for αstable
un its p rovide α very
flexible measurement system . T h e

d is p lay a nd set th e Sec/Div switc hto d isplay several

'
capabilities of
th e overall systemdepen d mai n ly upon
t h e

cycles of t he waveform .
p lug-ins t hat are ch osen . T
he following informatio n
d escribes t he tec hn i q ues for ma k ing basic measurements
.
T h ese applicatio ns are n ot described
i n d etail, si n ce eac h
4 .

Tur n t h e vertical P osition control so t h at t he lower
ap p lication mustbeadap
te d to t he re q uireme n ts of t he

portion
of t he waveform coinci d es withone of t
he
individual

measurement
. Specific applications for t he

graticulelines below t h ecenter horizontal line, andt h eto p
i nd ivi dual p lug-in units
are d escribed i n th e ma nuals for

of t he waveform is in t he viewing area . M ove t he display

'
t h ese units . Co n tact your local Te ktron ix F ield Office or

with t he h orizontal P ositio n control so t
h
at o
neof t h e
re p
rese n tative for ad ditional assistance .

up p er p ea k s is aligned
with th
e ce
n ter vertical reference
line (see F ig . 1-6) .
T h e following boo ks d escribe oscillosco p
e measure-
ment techn i q ues w h ic h can be ad apted for
use with th is

5 . M easure t h e vertical deflectio n from p ea
kto p
ea
k
instrument .

(divisions) .
ι
ι
ι
ι
ι
ι
ι
ι

6 .

M ultiply t he distance
(i n divisions)
measu r ed instep
5 by t he V olts/Div
switc h setting .
Also inclu d e t he
atte n
uation factor of t h e p ro
b e, if a pp licable .
E XA MPLE : Assume αp ea k -to- peak
vertical deflection
of 4 .6 divisio n s and α
V olts/Div switc h
setti n gs of 5 V .
P ea k -to- p ea
k _

4 .6

Χ 5 (
V olts/Div - 23
Volts
( divisions)
setti n g)
volts
Insta n taneous V
oltage M easurement-DC
d

Ι

Ι

t

ιη t οη α ωαν ef οrm
Το measure
t h e

c eve α α given ρο

-
ιαΙ
use t he followi n gp rocedure :

Ι

V e r tical
1 .

Set t he in p ut cou p ling of t
he vertical plug-i n unit to
G ndan d p ositio n t he trace to
t he b ottom line of
t he

____
graticule (or ot
h er selected reference line) .
If t he voltage
to be measure d is negative
wit h res p ect to ground,

R efe r e n ce line
position
t he trace to t h e top li ne of t h e
graticule . Do not
move t he vertical P osition
control after t h is refere nce h as
bee n esta b lis h ed .

Fe e r ence n voltage . g
i
n sta n ta neou s do voltage wit h r es p ect to α
ΝΟΤΕ

ΝΟΤΕ
T h is tec h
nique may also be use
d to ma ke
measu
r eme n ts between two
points
on
t h e waveform,
rat he r t h an pea k to p
eak .
ΝΟΤΕ
If
an attenuator p robe is used t h at cannot ch
ange t he
scale factor rea d out (VoltslDiv),
multiply the right
si d e of t h e above
equation by t h e attenuatio
n factor .
P ositio n to ce n te
r
ve r tical line
~3~~~~ ιι
r . . ι
r r r
ιιιιιιιιιι rr
Ι
t

FA
deflection
F ig . 1-6 .
M easu r i ng p ea k -to- p
ea k voltage o f αwavefo r m .
Operating
I n formation-5440
To measure
α voltage level
wit h res p ect to α voltage
ot h er
than groun d , ma ke
t he following c h
anges to
step 1 : Set t he
input coupli n g switc h to do
and a pp ly
t he r eference
voltage to t he input
connector, t h en
p
osition t h e t r ace to t he reference
line .
2
.
Co
n nect t h e signal to t he
in p ut con n ector .
Set t he
in p ut cou p ling to d o (t
h e grou nd refere n ce
can be
checked at
anytime by setting t he in p ut cou
p ling to Gnd) .
3 . Set t h eV olts/Div
switc h to d isplay
abo u t 5 or 6
vertical
divisions of t he waveform
. C heck t h at t he
variable
V olts/Div
control (re d k nob) is in
t h e Cal positio
n . Ad j ust
t
he
time-base triggeri ng con
trols for α stable
display .
4 . M easure
t
he d
istance i n d ivisions
b etwee n t he
refere nce line
an d t he point on t he
waveform at w
h
ic
h t he
do level
is to be measured .
Fo r exam p le,
i n F ig . 1-7 t he
measureme n t is made
between t he
refere nce li ne and
p oi n t Α .
5 .

E sta b lis
h t h e p olarity . T he voltage is
positive if t he
sig n al is a pp
lied to t he + i nput co
nn ector and t he
waveform is above t h e
refere nce line .
6 .
Mu ltiply t h e distance measure
d in step 4 b y t he
V olts/Div switc h setting . Inclu d
e t he attenuation factor of
t he p robe, if ap p
licable (see t h e n ote following
t he P ea k -
to- P eak
V oltage M easurement exam p le) .
E XA
MPLE : Assume t h at t he vertical
dista nce measured
is 4 .6 divisio n s, t he p olarity is
positive, a n d t he V olts/Div
switc h setti n g is
2 V .
Insta n ta n eous _
4
.6 Χ

2

- +9 .2
V oltage
(divisions) ( V olts/Div)
volts
1- 1 3

Operating I
n formation-5440
Comparison M easurements

E XA MPLE :
Assume α reference sig n al am p litu de of 30
In some app lications, it may be n ecessary
to establis hα

volts, α V olts/Div switc hsetting of 5 V an d α d eflection of
set of deflection
factors ot her t h an t h ose i ndicate dby t he

four d ivisio ns .
Substitutin g t h ese values in t he Deflectio n
Co n versio n F actor
formula
or Sec/Div switc hes . T h
is is usef u l for com-
paring
signals
to αreferen ce voltage am p litude or p eriod .

30V

_

1
.5
To establis hα n ew set of deflection
factors base d upon α

(4)
(5 V)
specific reference amplitu d e or period , p roceed as
follows :

T
hen , wit hα V olts/Div switc h setti n g of 2V, t h e
Vertical
Deflectio
n F acto r
1 .

Apply
αreferen ce sig n al
of k now
n
am p litu d e to t he
vertical in p ut con n ector . U si n g t h e V olts/Div
switc h and
variable V olts/Div co n trol, ad j ust t he disp lay for an exact
nu m ber
of divisio ns . Do not move t he variable V olts/Div
co n trol after obtaining t he d esired d
eflection .
2 . Divide t h e am p litu de of t h e referen ce sig nal (volts)

Swee pR ate
by t h e p ro duct of t he d eflection in d ivisio ns (establis h ed in
ste p 1) an d t he V olts/Div switc h setti ng . T his is t he

1 .

Apply
α reference signal
of
kn
ow
n fre q uency to t h e
Deflection Conversio n F actor .

vertical i n put connector . U sing t he Sec/Div switc h a nd
variable Sec/Div control, ad j ust t he display so
t
h at o
ne
cycle of
th e sig n al coversan exact n umber of h orizontal
Deflectio n reference sign al am p litude (volts)

d ivisio ns . Do not ch ange t he variable Sec/Div control after
Conversio n =

obtaining t he d esire d deflection .
F actor deflection Χ V olts/Div
( d ivisio n s)

setting

2 . Divi de th e period of t he referen ce sig n al
(secon d s)
by t he p
roduct of t he h orizo n tal deflection i nd ivisions
3 .

To determine t h epea k -to-pea k amplitu de of αsignal

(establis h ed in ste p 1) a nd t he setting of t he Sec/Div
com paredtoα refere n ce, d isconnect t he reference and

switc h . T h is is t h e Deflection Co n version F actor .
apply t he signal to t he input connector .

Deflectio n reference signal period (seconds)
Co n version =
4 . Set t he V olts/Div switc h to α setti n g t h at p rovides

F
actor

h o r izontal

Sec/Div
sufficient deflection to ma k e t he measurement . Do not

deflection

Χ

switc h
read j ust t h e variable V olts/Div control .

(
d ivisions)

setting
3 . To d etermine th e p eriod of an un kn ow n sig n al,
5 . To establis hα M odifie d Deflectio n F actor at any

disco nn ect t h e refere n
ce and apply t h eun k now n sig n al .
setting
of
t
h e V olts/Div switc
h , multi p ly t he V olts/Div
switc h setti n g by t h e Deflectio n Co n version F actor es-
tablis h ed i nstep2 .

4 . Set t he Sec/Div switc h to α setti n g t h at p rovi d es
sufficient h orizontal deflection
to
ma k ean accurate
M odified

Deflection

measurement . Do not read j ust t he variable Sec/Div co n -
Deflection =
V olts/Div
Χ Converstio
n
trol .
F actor
setting
F
actor
6 . M easure t h e vertical d eflectio n in divisio ns and
d etermine t he am p litude by
t h
e
followi ng formula :
Signal
Mo
d
ified
Deflection
Deflection Χ
Am p litude
F actor
( d
ivisions)
M o d ified Deflectio n F actor (ste p
5) is :
(2 V) (1 .5) = 3 volts/divisio n
To determine t h e pea k -to-pea k am p litude of an app lie d
sig n al t h at produces α vertical d eflectio nof five d ivisions
with t h e
above conditio n s, use t h e Sig n al Amplit u de
formula (ste p 6) :
(3 V) (5) = 15 volts
5 . To establis hα M o d ified Deflection F actor at any
setti ng of t
he
Sec/Div
switc h , multiply t he Sec/Div switc h
setting by t he Deflection Conversio n F actor established in
ste p 2 .
M odified
Sec/Div
Deflection
Deflectio n =

Χ Conversio n
F actor

switc hing setting

F actor