Tektronix 454A User manual

' I NSTRUCTI ON
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zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA
œ‘ • U A L
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Ser i al Nu mber
454‘ / R
454
A
OSCI LL OSCO PE
Te k t r oni x, I nc . 0

¡ .
Ÿ . Box 500
zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA
"

B
eaver t on, Or egon
97005
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Ph one : 644- 0161

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Cabl es : Te k t r oni x
070- 1074- 00

171

W AR RzyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA ‘ • ¤¥
Al l Te kt r oni x i nst r ¹ ¹ ment s ar e
vi ar r ant ed agai nst
def ect i ve mat er i al s and wor kmanshi p f or one year .
Any · ¹ ¹ est ¯ ¿¹ Ä s wi t h r espect t o t h e war r ant y,
ment i o n e
d above, s
h
o u l d be t a k en LI P wi t h ³ ¿¹ ¹ r
Te k t r o n i x F i el d E ngi neer or r
e p r ese n t at i ve .
Al l r e q uest s f or
r e p ai r s and r e p l acement par t s
s h o ¹ ¹ l d b e di r ect ed t o t h e Te
k t r oni x F i el d Of f i ce or
r epr esent at i ve i n ³ ¿¹ ¹ r ar ea . T h i s
pr ocedur e ɯ ™™ ass ¹ ¹ r e
YOU
t h e
f ast est possi bl e ser vi ce . P l ease
i ncl ude t he
i n st r ument
Type ( or P ar t • ¹ ¹ · ¯ ber ) a n d
Ser i al or
M o d el • ¹ ¹ mber wi t h
al l
r eq
u est s f or par t s or
ser vi ce .
Speci f i cat i ons and p r i ce c h ange
pr i vi l eges r eser ve d .
Copyr i ght @ 1971 by Te k
t r oni x, I nc . , B eaver t on,
Or egon . P
r i nt e d i n t h e Uni t e d
St at es of
Amer i ca . Al l
r i ght s
r eser ve
d . Cont ent s of t
h
i s p
ubl i cat i o nmay
not
be r e p
r oduce d i n a n y f or m wi t
h out p er mi ssi on
of t h e
copyr i ght owner .
U . S . A . and f or ei g n
Te k t r oni x ¼ r o d
¹ ¹ ct s cover e d
by U
. S . and f or ei g n pat ent s an
d / or
pat ent s pendi ng .

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I

SE CTI O
N 1 454 ‘ S PE CI F I CATI O N

P age

P age
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I nt r od u ct i on

1- 1

L oa d i n g E
f f ect of t he
454 ‘

2- 18
Tabl e
1- 1 E l ect ri cal

Gr o un d Consi der at i ons

2- 18
V
er t i cal Def l ect i o n Syst em

1- 1

I nput Co u pl i ng

2- 18
Tr i gger i ng
(
‘ an d’ Swee p )

1- 4

Def l ect i on F act or

2- 18
H or i zon t al Def l ect i on Syst em

1- 5

P r o b e P ower Co
n nect or s

2- 19
Del ayed/ M i xed Swee p  1- 6

D u al - Tr ace
Oper at i o n  2- 19
§ - ¥ Oper at i on

1- 7

Ch annel 1 Out put
a n d Casca d ed
– Axi s I n p u t

1- 7

Oper at i on

2- 19
Cal i b r at or

1- 8

Al gebr ai c Addi t i o n  2- 20
Out p
ut Si gnal s

1- 8

Tr i gger Sour ce

2- 20
P ower Supp
l y

1- 9

Tr i gger Co u pl i ng

2- 21
Cat h od e- R ay T
u
be ( C
R
T)

1- 10

Tr i gger Sl o p e

2- 22
Ta b l e 1- 2
E nvi r onment al

1- 11

Tr i gger L evel

2- 22
Ta b l e 1- 3 Ph ysi cal

1- 12

H i g h - F r e q uency St abi l i t y

2- 22
St an d ar d Accessor i es

1- 12

‘ Sweep Tr i gger e dL
i g
h t

2- 22
‘ Swee p M ode

2- 22
H or i zo n t al Sweep R at es

2- 24
SE CTI O N 2 O PER ATI NG I N ST RU CTI O N S
Sweep M ag n i f i cat i o n
 2- 24
Gener al

2- 1

’ ( Del ayed Swee p )

2- 25
F r ont Cover

2- 1

§ - ¥O p er at i on

2- 28
Oper at i ng V ol t age

2- 1

Swee p Ge
n er at or
O
u t p ut Si gnal s

2- 28
Oper at i n g Temper at u r e

2- 2

Cal i br at or

2- 29
O p er at i ng P osi t i o n
 2- 2

A pp l i cat i o
ns
R ac k mou n t i ng

2- 2

Gener al

2- 29
Cont r ol s and Co nn ect or s

Peak- To- Peak
V ol t age
Gener al

2- 2

M easu
r ement s- AC

2- 29
Fi r st - Ti me O p er at i o n
 I nst a n t aneo
u s
V
ol t age
Ge n er al

2- 8

M eas u r ement s- DC

2- 30
Ge n er al O p er at i ng I nf or mat i o n
 Com p ar i son M
easu r e m ent s

2- 31
Si mpl i f i e d O p er at i ng I nst r uct i ons

2- 12

Ti me- D
u r at i on M easu r eme n
t s

2- 33
N or mal Sweep Di s p l ay

2- 12

F r e q
uen cy M easu r eme n t s

2- 33
M agni f i ed Swee p Di spl ay

2- 12

R i set i me M easu r ement s

2- 34
Del aye d Sweep
Di spl ay

2- 13

Ti me- Di f f er e n ce M eas u r e m ent s

2- 35
§ -
¥ Di spl ay

2- 13

Del aye d or M i xed Swee p Ti me
I nt ensi t y Co n t r ol

2- 13

M eas u r eme n t

2- 35
Ast i gmat i sm A d j ust me nt

2- 13

Del aye d or M i xe d Sweep
Tr ace Al i gnment A d j u st me n t

2- 14

M ag n i f i cat i on

2- 36
Gr at i c u l e

2- 14

P ul se J i t t er M easur ement s

2- 38
L i g ht F i l t er

2- 14

Del ayed Tr i gger Ge n er at or

2- 39
B eam F i nd er

2- 14

N or mal Tr i gger Gener at or

2- 39
B an d wi dt h L i mi t er

2- 15

M u l t i - Tr ace Ph ase Di f f er ence
V er t i cal C h a nn el Sel ect i on

2- 15

M eas u r ement s

2- 39
V er t i cal Gai n A d j u
st me n t

2- 15

H i g h R esol
u t i o n Ph ase M eas u r ement s

2- 40
St e p At t enuat or B
al a nce

2- 16

§ - ¥ Ph
ase M easur eme n t

2- 41
Si gn
al
Connect i o n s

2- 16

Common- M od e R e j ect i on

2- 42
TA BLE O
F
CO
N T EN TS
454 ‘ / R 454A

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TA BLE O F CO NTEN TS ( co n t )
S E CTI O N 3 CI
RCU I T D E SC R I P TI O N

P age

S
E CTI O N 5 CA L I BRATI O N

P age

I
I nt r o du ct i o n
 3- 1

I n t r od u ct i on

5- 1
B l oc k Di agr am

Te k t r oni x F i el d Ser vi ce

5- 1
Gene r al

3- 1

U si ng T h i s P r oced u r e

5- 1
Ci r cu i t O p er at i on

Test Eq u i p ment R e q ui r e d
Ge n er al

3- 3

Ge n er al

5- 1
C ha n nel 1 V er t i cal P r eam
p  3- 4

Sp eci al Cal i br at i on F
i xt ur es

5- 2
C ha n nel 2 V er t i cal P
r eam p  3- 6

Cal i br at i o n E qu
i p ment Al t e r nat i ves

5- 2
V er t i cal
Swi t c hi ng

3- 7

¡
r el ¯ m ¯ n ar yCo n t r ol Set t i ngs

5- 4

'
V er t i cal O
u t pu t Ampl i f i er

3- 10

P ar t ™ - P er f or ma n ce C h ec k
Tr i gger
P r eam p  3- 12

I nt r od u ct i o n  5- 5
‘ Tr i gger Ge
n er at or

3- 14

I n dex of P ar t ™ - P er f or ma n ce Ch ec k  5- 5
‘ Sweep
Gener at or

3- 19

P r el i mi n ar y P r oce du r e f or
’
Tr i gger
Ge
ner at or

3- 23

P er f or ma n ce C hec k  5- 6
’ Sweep
Gener at or

3- 25

Di spl ay and – Axi s Ch ec k  5- 7
H or i zont al Am p
l i f i er

3- 28

Ver t i cal Syst em C h ec k  5- 9

,
L ow- V ol t age P ower S
upp l y

3- 31

T r i gger Syst em C hec k  5- 15
V ol t age Di st r i b
u t i o n  3- 34

H o ri zo n t al Syst em C hec k  5- 20
– Axi s
Ampl i f i er

3- 34

O u t put Si g n al s C hec k  5- 27
CR T Ci r c u i t

3- 36

P ar t 11 - A d j u st ment
I n t r o d u ct i o n  5- 29
SE CTI O N 4 M AI N T EN ANC E

I n d ex of P ar t ™™ - Ad j ust ment

5- 29
P r el i mi n ar y P r oce d u r e f or
I nt r oduct i on

4- 1

A d j u st me nt

5- 30
Cover R
emoval

4- 1

P ower Su pp l y and Cal i br at or
P r event i ve M ai nt ena n ce

A d j ust m e n t

5- 31
Gener al

4- 1

Di s p l ay a nd – Axi s A dj ust ment

5- 34

'
Cl ea n i ng

4- 1

V er t i cal Syst em A d j ust me n t

5- 36
Lub r i cat i o n  4- 2

Tr i gge ri ng Ad j u st me n t

5- 44
V i s u al I ns p ect i on  4- 2

H or i zont al Syst em Ad j u st me nt

5- 46

'
Tr ansi st or C hec k s

4- 2
R ecal i b r at i on

4- 2
Tr oubl es h oot i ng SE
CTI O N 6
R
ACKM O
UN TI NG
I n t r o d uct i on

4- 2
Tr o ub
l es h
oot i n
g
Ai ds

4- 2

I nt r o du ct i o n  6- 1
Tr o ub
l es h oot i ng E qui pme n t

4- 4

R ac k Di m ensi ons

6- 1
Tr o
ubl es h oot i ng Tec hn i q ues

4- 5

Sl i de- O ut Tr ac k s

6- 1
Cor r ect i ve M ai n t ena n ce

M ou n t i ng P r oce d u r e

6- 1
Gener al

4- 7

Al t er n at i ve R ear M ou
n
t i
ng
M
et h
od
s

6- 2
Obt ai n i ng Re p l aceme n t P ar t s

4- 7

R e m ovi ng or I n st al l i ng the
Compone n t R e p l aceme n t

4- 10

I n st r ument

6- 3
R ecal i br at i o n Af t er Re p ai r  4- 14

Sl i d e- O u t Tr ac k Lub
r i cat i on

6- 3
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S E CTI O N 7 ELE CT R I CA L P AR TS L I ST

P age

SE CTI O N 9 ME CHAN I CA L P A R TS L I ST
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TA BLE
O
F
CO
N T EN
TS ( co n t )
A bb r evi at i o n s an d Symbol s

M ec h ani cal P ar t s L i st I nf or m at i o n
P ar t s Or d er i ng I n f or mat i on

I n d ex of M ec h an i cal P ar t s L i st a nd
I n dex of E l ect ri cal P ar t s L i st

I l l u st r at i o n s
E l ect ri cal P ar t s L i st

M ec ha n i cal
P
ar t s L i st
SECTI ON 8 DI AG RA M S A ND CI R CU I T B OA RD

C HANG E I NF O RM ATI O N
™ LLU ST R ATI O N S
454 ‘ / R
454A
Abbr evi at i o n s an d sym b ol s u se d
i n t h
i s
ma nu
al
ar e base d
on
or
Symbol s a
nd R
ef er e
n
ce Desi gnat or s

8- 1

t a ke n d i r ect l y f r om I EEE St a nd
ar d 260 " St a nd ar d Sym b ol s f or
V
ol t age a
nd
W
avef or m
Test Co n d
i t i ons

8- 2

Un i t s" ,

MI L- STD- 12B

an d  ot
h
er st a
n
d ar ds of
t he el ect r on i cs
Di agr ams

i n d u st r y . C ha n ge i nf or mat i o n , i f any, i s l ocat e d at
t h
e
r ear of t h i s
Ci r c u i t
B
oar d I l l ust r at i ons

ma n ual .

454zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA ‘ / R 454A
F i g .
1- 1 . Top ; t h e 454 ‘ Osci l l oscope . B ot t o m ; t h e R
454A Osci l l osco p e
.

SECTI ON 1
454zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA‘ I R454A SPECI FI CATI ON
Ch ange i nf o r mat i on, i f any,
af f ect i ng
t
h i s sect i on
wi l l be f ound at t h
e
r ear of t h i s
manual .
454 ‘ / R 454A
I nt r oduct i on

nanoseconds/ di vi si on i n th e . 02 ¼ s p osi t i on . T h e del aye d
an d mi xe d swee p f eat ur es al l ow t he ’ Swee pt o be d el ayed
T
he
Te
kt r oni x 454
‘ Osci l l oscope i s ± wi de ban dwi dt h ,

± sel ect e d amount f r om t he st ar t of ‘ swee p t o p r ovi de
p or t abl e osci l l oscope desi gned t o o per at e i n ± wi de r ange of

accur at e

r el at i ve- t i me

meas u r ement s .

Cal i b r at e d

§ - ¥
envi r onment al con d i t i ons . T h e lig h t wei g h t and com p act

measur ement s can be ma de wi t h C h annel 2 p r ovi di ng t he
d esi gn of the 454 ‘ al l ow i t t o b e easi l y t r a n s p or t e d , w h i l e

ver t i cal
d
ef l ect i o
nand C hannel 1 p r ovi di ng t h e h or i zont al
pr ovi d i ng t he per f or mance necessar y f or acc u r at e h i g h -

def l ect i on ( T RI GG ER
swi t c
h
set t o CH 1 O NL Y, H O R I Z
f r e q uency measur eme n t s . T h e d ual - c h annel , DC- t o- 150

DI SPLAY swi t c h set t o § - ¥ ) . T h e r egul at e d DC p ower
mega h
er t z ver t i cal syst em p r ovi d es cal i b r at e d d ef l ect i on

su pp l i es assur e t h at i n st r ument p er f or mance i s not af f ect ed
f act or s f r om 2 mi l l i vol t s t o 5 vol t s/ d i vi si on ( b
an
dwi d t h
i s

by var i at i ons i n l i n e vol t age a nd f r e q uency . Tot al p ower
r educed at t he t wo l owest def l ect i on f act or s . C hannel s 1

consum pt i on of t he i nst r ument i s about 115 wat t s .
and 2 can be cascade d usi ng an ext er nal cab l e t o pr ovi de ±
400 mi cr ovol t mi n i mum d ef l ect i on f act or . ‘ bandwi dt h
limit
swi t c h al l ows l ow- f r equency, l ow- l evel si gnal s t o be

I nf or mat i o n gi ve n i n t h
i s i nst r uct i on manual a pp l i es t o
vi ewe d wi t h r e d uce d i nt er f e r ence f r om si gnal s above about

t h
e R 454A al so unl ess ot h er wi se i n d i cat e
d . T
he
R 454A i s
20 mega h er t z,

el ect r i cal l y i d ent i cal t o the 454 ‘ , but i t i s adap t e d f or
mount i n g i n ± st andar d 19- i nc h r ac k . R ac k mount i ng
T he t r i gger
ci r cui t s pr ovi de st abl e t r i gger i ng over t he f ul l

i nst r uct i ons and ± d i mensi onal dr awi ng ar e gi ven i n
sect i on
6 .
r ange of ver t i cal ban d wi d t h . Se p ar at e t r i gger cont r ol s
ar e
p r ovi d e
d t o sel ect t he desi r ed t r i gger i ng
f or t he ‘ and ’
swee p s . One of t h r ee swee p mo d es can be sel ect e d f or ‘

T h i s i nst r ument wi l l meet the el ect r i cal c h ar act er i st i cs
sweep ; aut omat i c t r i gger i ng,
nor mal t r i gger i ng or si ngl e

l i st ed i n Tabl e 1- 1 f ol l owi ng com p l et e cal i br at i o n as gi ven
sweep . T he h or i zont al d ef l ect i on syst em p r ovi d es
cal i br at ed

i n sect i on 5 . T he f ol l owi ng el ect r i cal
c h ar act er i st i cs appl y
swee p r at es f r om f i ve secon d s t o 0 . 02 mi cr osecon d / d i vi si on .

over ± cal i b r at i on i nt er val
of 1000 h our s an d an ambi ent
‘ §
10
magni f i er
al l ows eac h swee p r at e t o be i ncr ease d 10

t emper at ur e r ange of - 15 ° C t o +55 ° Â ,
exce p t as ot her wi se
t i mes t o pr ovi de ±
maxi mum swee p r at e of t wo

i n d i cat e d . War m- up t i me f or gi ven
accur acy i s 20 mi nut es .
C h ar act er i st i c

P er f or mance

S uppl ement al
VER TI CA L D EFLE CTI O N SYST EM
Def l ect i on F act or
C h a n nel 1 and 2 Cal i br at e d R ange
A d de d M ode Cal i br at ed R ange
C h an nel 1 or 2, or A dd e d M
ode
Accu r acy ( W i t hor W i t h out ¡ 6054
P r obe)
TA BLE 1- 1
ELE CT RI CA L
Two mi l l i vol t s/ di vi si on t o f i ve vol t s/
d i vi si on
i n el even st e p s i n ± 1- 2- 5
se q uence .
B et ween t wo
mi l l i vol t s/ d i vi si on an d
f i ve vol t s/ d i vi si on .
W i t h i n 3°/ ¿ of i n d i cat e d def l ect i o n wi t h
GAI N cor r ect l y
a d j u st e d at 20 mV /
d i v .

S p eci f i cat i on- 454zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA ‘ / R 454A
Un cal i br at e d ( V ar i abl e) R ange
M axi mum R i set i me an d M i ni mum
B andwi d t h at U pp er - 3 dB Poi nt
AC
( ca p aci t i ve) and DC ( d i r ect ) Cou p l e d ,
F our - Di vi si on R ef er ence, 25- ohm Sour ce
I m p ed ence ( 0 ° C t o +40 ° C)
B an d wi d t h at L ower - 3 d B P oi nt , AC
( ca p aci t i ve) Cou p l e d , F our - Di vi si on R ef -
er ence
W i t
h
out
P
r obe
W i t h
¡
6054
C h ar act er i st i c

P er f or mance

Su pp l ement al
VER TI CA L D EFLE CTI O N SYST EM ( cont )
B and wi dt h at U pper
- 3 dB
P oi n t ,
DC
( d i r ect ) Co up l ed, F our Di vi si on R ef er -
e nce, W i t h
BANDWI DTH- BEAM
F I ND ER Swi t c h i n 20 MH z P osi t i on
At t en u at i on r at i o of si gnal at 100
MH z .
V er t i cal Di s p l ay M odes
I n put Coupl i ng
M odes
Common- M ode R e j ect i on R at i o AC
and DC Cou p l ed
P r ovi d es con t i nuousl y
var i abl e d ef l ec-

At l east 2 . 5 : 1 .
t i on f act or s bet ween
t
he
cal i br at e d
st e p s .
E
xt en d s maxi mum u ncal i br at e d d e-
f l ect i on
f act or t o at l east 12 . 5 vol t s/
di vi si on .
See Tabl e 1- 1 ‘ .
TA BLE 1- 1 ( cont )
10 H z or l ess at al l d ef l ect i on f act or s .
1 H z or l ess at al l d ef l ect i on f act or s .
A pp r oxi mat el y
20 MH z .
At l east 30 : 1 .
C
hannel 1
Onl y
C hannel 2
Onl y
Dual - Tr ace, al t er nat e bet wee n
c
han-
nel s .
Dual - Tr ace, ch op bet ween channel s
A dd ed al ge b r ai cal l y
AC
( ca p aci t i ve)
cou p
l ed
or DC ( di r ect )
cou p l ed .
At l east 20 : 1 at 20 MH z f or common
mode si gnal s 80 mV peakt o peak i n
t he 10 mV / d i v p osi t i on of t h e
VO L TS/ DI V swi t c h es wi t h GAI N a d-
j ust me n t opt i mi ze d usi n g± 50 kH z si g-
nal i n t he 10 m V / d i v posi t i on of the
VO L TS/ DI V swi t c h es .
- 3 dB poi nt bet ween 16 MH z and 24
MHz .

M axi mum Saf e
I n put V ol t age
Al l V / DI
V Set t i ngs
I nput
R CC h ar act er i st i cs
R esi st a n ce
Ca p aci t a n ce
St e p At t e n uat or B al a nce
I nt er - Channel
I sol at i on
At t enuat or
Am p l i f i er
Speci f i cat i on- 454zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA ‘ /
R 454A
TA BLE 1- 1 ( cont )
C h ar act er i st i c

P er f or mance

Su p p
l ement al
C h op ped M o d e
C h o pp ed R e p et i t i on R at e
Ti me
Segment F r om E ac h C h annel
P ol ar i t y I nver si on
2 mV / di v
5
mV / di v
10 m V / d i v t o
5 V / d i v
400 ¼V / d i v
( Chann el s 1 and 2
cascaded) '
VER TI CA LD EFLE CTI O N SYST
EM
( cont )
500 vol t s DC + pea k AC ( one k ilo
h
er t z
or l ess) .
1 mego h m ±2°/ ¿
A pp r oxi mat el y 15 p i cof ar a d s
At l east 100 : 1 at 50
MH z .
A pp r oxi mat el y 1 MHz
400 nanoseco nd s t o 650 nanosecon
d s .
Di sp l ay si gnal
f r om
C
han n el 2 can be
i n ver t e d .
TA BLE 1- 1 ‘
M i ni mumB
an
d
wi d t h an d M axi mum R i set i me
( 0 ° C t o +40 ° C)
Def l ect i on F act o
r

W i t h 3 . 5 f t . o r 6 f t .

W i t h 9 f t . ¡6054

W i t h¡6045
~
¡6054 or 25 o h m
sour ce
50 M H z

48 MH z

45
MH z
7 . 0 nanoseconds

7 . 3 n a n
osecon
d
s

7 . 8 nan osecon d s
100 MHz

87 MH z

95 MH z
3 . 5
nanoseconds

4 . 0 n a n osecon d s

3 . 7
nanoseco nd s
150 MH z

116 MH
z

130 MH z
2 . 4 n anoseco nd s

3 . 0
nanoseco nd s

2 . 7 nanoseco nd s
33
MH z

32 MH z

30
MH z
11 nanoseco nd s

11 . 5 nan oseconds

12 nanoseconds
A d j u st a b l e f or 0 t r ace s h i f t w hen de-
f l ect i on f act or i s c
h ange d f r om 2
mV / d i v t o 10 m V / d i v .
At l east 10, 000 : 1
at 50 MH z .
W i t h¡ 6048
45 MH z
7 . 8 nanoseconds
75 MH z
4 . 7 n anosecon d s
100
M H z
3 . 5
nanosecon d s
30 MHz
12 nanosecon d s
' Casca de d
( C
H 1 O UT i n t o CH 2) usi ng 50 © 18- i nch R G 38 ‘ / U ca b l e
;
wi t h C H 1 a nd C H 2d ef l ect i o
n f act or s set
at 2
m
V
/ DI V , u nt er mi n at e d
and T R I GG
ER swi t c hset t o N O RM . 400 ¼ V / d i v i s ±
mi ni m u m d ef l ect i on f act or f or t hi s mo d e, n ot ± cal i b r at e d d ef l ect i o n f act or .

S p eci f i cat i on- 454zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA
‘ / R 454A
Tr i gger Sour ce
Tr i gger Cou p l i n g
Tr i gger Se n si t i vi t y
A u t o Tr i gger i n g ( ‘ Swee p onl y)
Si ngl e Swee p ( ‘ swee p onl y)
TA BLE 1- 1 ( cont )
C
h
ar ac
t er i st i c

Pe r f or mance

Su p p l ement al
T R I GG ER I N G ( ‘A N D’ S
WEEP)
I n t er nal f r om di s p l aye d c h annel ( s) or
f r om C h a nn el 1 onl y .
I nt er nal f r om AC p ower sour ce .
E xt er n al f r om si g n al appl i ed t o • §¤
T R I G I NPU T connect or
.
E xt er nal f r om si gnal a p pl i ed t o • §¤
T R I G I NPU T co nn ect o r at t enuat e d 10
t i mes .
AC
AC l ow- f r equency r e j ect
AC h i g h - f r e q uency r e j ect
DC
See F i g . 1- 2 .
St a b l e d i s p l ay p r esent e dwi t h si gnal
am p l i t u d es gi ven i n
F
i g .
1- 2
a
b ove
about 20
h er t z . P r esent s ± f r ee- r un n i ng
di spl ay f or l ower f r e q uenci es or
a b sence of an ade q uat e t r i gger si gnal .
‘ Sweep Ge n er at or pr o d uces onl y one
sweep w h en t r i gger e d . F ur t
h
er swee
p
s
ar e l oc
k e d out unt i l RE
S
E T bu t t on i s
p r esse d .
~ ¹
I l l
à . ¹ Å ¹ . . !
~. . . . . ¹ ¹ ~ ± ¹ ¹ . . ¹ ¹ . . ¹ . Å
~ . ¹ ¹ . . ¹ ¹

± . ¹ r ~ . ¹ ¹ ~ . ± . ¹ ¹ . . ¹ ¹
! ' C
M
: 7 : ! ¹! ¸ ¸ : : " C ! ¸ : ¸ : : :!!¿ !
¹ ¹ . ~ . ¹ ¹ . . ¹ ¹ ~ ± . ¹ ¹ . ¹ ¹ ¹
~ . ~ .
¹ ¹
.
Ź
Hal l ¹ ¹ . .
¹ ¹ ~ ~ . ¹ Ã . Å ~ ± ~ ¹ ¹ ¹ . . ¹ ¹ = . ¹ i
¹ =
¯ ¯ ! ! ! ! Å

l m ¿· · ¹ ¹ ¹
¹ ¹
~= ¹ ¹ . . ¹ ¹
= Mongol
¹ ~ .
¹ ¹ .
¹ ¹ ¹
¹ ¹ ±¹
.i à . . ¹¹± ~~ ¹ , ¹ ¹ . . ¹ ¹ ~ ¹ ± . à . . ¹ ¹
. m . ¹ ¹ . . ¹ ¹
mmmoongi i
Mammal ,
~ . . Ê

¹ ±¹ . ¹¹¹ . -  ~ . ¹ ¹ . . ¹¹± . ± ±Ã . ¹ ¹ ~ ¹

.

. ¹
. ¹ ¹ . ¹ ¹ ¹ ±¹

>, . ¹ ¹ . . ¹ ¹ ±¹ V
¹ ¹ ¹ . ¹
¹ ¹ . . ¹ ¹ ~ ¹ m . ¹ . . ¹ ¹
. ¹ ¹ . ¹ ¹ ~ ± . ¹ ¹ . .

¯ ~ . ¹ ¹ . . ¹

± . ¹ ¹ . . ¹ ¹ ~

¹ . . ¹ ¹
~ . ¹ ¹ . . ! ¹ ± r
Ã
¹ ¹ ¹ !

~~ . ¹ ¹ .
¹ ¹

~ . ¹ ¹ . . ¹ ¹ ~ ¯ ¹ ¹ ¹ . . ¹ ¹ m ¹ m
+ ¹ . ¹ ¹ . ¹ ¹ ¹ ~
zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA
" ~ ±. Ã . r ¹ ¹ = ¹ ¹ . Ã . .
¹ ¹ m
¹
m .
À . ¹ ¹ ¹ '
V
¹ ¹ ¹ ~ . ~ ï . ¹ ¹ ~t
! ~0
ɹ ¹ ¹
l
i
~
± . ¹¹¹¹¹¹ ~~ . ¹¹¹¹¹¹ m
¹¹

¹
± . ¹ m ¹ ¹ ¹ ¹ ¹ , ~ œ• ¹ ¹ . ~ ¹
1
¹ s- ¹ · • ¹ ù ¹ ™
~ : : : : : » ! ¸ ¸ : : :
H
: ¸ : : : ! œ• •
F i g .
1- 2 .
Tr i gge rse n si t i vi t y
s p eci f i cat i o n I i Vni t
cur ve .
± . ¹ ¹ . ¹ ¹ ~ ± . ¹¹¹ l ow ¹ ¹ ¹ ¹ ¹
1 .
¹ ¹ . ! ¹ ~ ± .
¹ !
Ź

¹ ¹ .
¯
m Ì ® ! ! ¯ ! mmm ¯¯¯ ! ! ! Ÿ¯
!