Tektronix 2221 User manual

Л
TEK
OPERATORS
MANUAL
070-6530-00
Product
Group
41
C
П
П
п
п
П
2221
DIGITAL
STORAGE
OSCILLOSCOPE
OPERATORS
ПО
П
។
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Л
П
Please
check
for
CHANGE INFORMATION
at the Rear of This Manual
First
Printing
JUNE
1987
Tektronix
COMMITTED TO EXCELLENCE

L
Copyright ©
1987
Tektronix ,
Inc. All
rights
reserved
.
Contents of
this
publication
may
not
be
reproduced
in
any
form
without
the written
permission of
Tektronix
,
Inc.
Products of
Tektronix ,
Inc.
and
its
subsidiaries
are
covered
by
U.S.
and
foreign
patents
and / or
pending
patents
.
U
TEKTRONIX ,
TEK
,
SCOPE -
MOBILE
,
and
registered
trademarks of
Tektronix , Inc.
are
L
Printed in
U.S.A.
Specification
and
price
change
privileges
are
reserved
.
บ
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بال
INSTRUMENT
SERIAL
NUMBERS
Each
instrument
has a
serial
number
on a
panel
insert ,
tag ,
or
stamped
on the
chassis .
The
first
number or
letter
designates the
country of
manufacture
.
The
last five
digits
of
the
serial
number
are
assigned
sequentially
and
are
unique to
each
instrument
.
Those
manufactured in
the
United
States
have
six
unique
digits
.
The
country
of
manufacture
is
identified as
follows :
B000000
100000
200000
300000
700000
Tektronix ,
Inc. ,
Beaverton ,
Oregon
,
USA
Tektronix
Guernsey
,
Ltd.
,
Channel
Islands
Tektronix
United
Kingdom ,
Ltd. ,
London
Sony
Tektronix
,
Japan
Tektronix
Holland
,
NV
,
Heerenveen ,
The
Netherlands
U
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1
Certificate of
the
Manufacturer /
Importer
We
hereby
certify
that the
2221 DIGITAL STORAGE OSCILLOSCOPE
AND ALL INSTALLED OPTIONS
complies
with
the RF
Interference
Suppression
requirements
of
Amtsbl
. - Víg
1046/1984
.
The
German
Postal
Service
was
notified
that
the
equipment is being
marketed
,
The
German
Postal
Service has the
right to re -
test the
series
and
to
verify that it
complies .
TEKTRONIX
Л
Л
П
П
Bescheinigung des Herstellers / Importeurs
Hiermit wird bescheinigt , daß der / die / das
2221 DIGITAL STORAGE OSCILLOSCOPE
AND ALL
INSTALLED
OPTIONS
in Übereinstimmung mit den Bestimmungen der Amtsblatt - Verfugung 1046/1984 funkentstört ist .
Der
Deutschen
Bundespost wurde
das
Inverkehrbringen
dieses
Gerätes
angezeigt und die
Berechtigung zur Überprufung der Serie auf Einhalten der Bestimmungen eingeräumt .
TEKTRONIX
NOTICE to
the
user
/
operator :
The German Postal Service requires that Systems assembled by the operator / user of this
instrument must also comply with Postal Regulation , Vfg . 1046/1984 , Par . 2 , Sect . 1 .
HINWEIS für den Benutzer / Betreiber :
Die vom
Betreiber zusammengestellte
Anlage ,
innerhalb derer dies
Gerät
eingesetzt wird , muß
ebenfalls
den
Voraussetzungen nach
Par . 2 , Ziff . 1
der Vfg .
1046/1984 genugen .
NOTICE to
the
user /
operator
:
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The
German
Postal
Service
requires
that
this
equipment , when
used in a
test setup ,
may only
operated if the requirements of Postal Regulation , Vfg . 1046/1984 , Par . 2 , Sect . 1.7.1 are complied
with
.
HINWEIS für den Benutzer / Betreiber :
Dies Gerät
darf in
Meßaufbauten nur
betrieben
werden
,
wenn die
Voraussetzungen des Par
. 2 ,
Ziff . 1.7.1
der Vfg .
1046/1984
eingehalten
werden
.

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2221
Operators
o
TABLE OF CONTENTS
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7
7
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1
Page
Page
LIST OF ILLUSTRATIONS ..
LIST OF TABLES ....
OPERATORS SAFETY SUMMARY vii
Section 1 GENERAL INFORMATION
INTRODUCTION ......
SPECIFICATION .....
1-1
1-2
Л
Section 2 PREPARATION FOR USE
SAFETY
LINE VOLTAGE .............
POWER CORD ......
LINE FUSE
INSTRUMENT COOLING .............
START
- UP .
REPACKAGING ...
2-1
2-1
2.1
2-2
2-2
2-2
2-3
Section
3
CONTROLS ,
CONNECTORS
,
AND
INDICATORS
POWER AND
DISPLAY ...
VERTICAL ..........
HORIZONTAL .......
IIIIII ...
1
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Section 6 BASIC APPLICATIONS
INTRODUCTION .....
6-1
OSCILLOSCOPE DISPLAYS ...........
6-1
NON STORE DISPLAYS ...
6-1
DIGITAL
STORAGE
DISPLAYS ...
6-2
MAKING
NONSTORAGE
MEASUREMENTS ........
6-4
AC PEAK - TO
- PEAK
VOLTAGE ...........
6-4
GROUND REFERENCED DC
VOLTAGE
............
6-5
ALGEBRAIC
ADDITION
...............
6-5
COMMON - MODE REJECTION ...
6-6
TIME
DURATION .... 6-7
AMPLITUDE
COMPARISON .
6-7
FREQUENCY ...
6-8
RISE
TIME
.............
6-8
TIME
DIFFERENCE
BETWEEN TWO
TIME -
RELATED
PULSES
............
6-9
TIME
DIFFERENCE
BETWEEN
REPETITIVE PULSES .....
6-10
PHASE
DIFFERENCE 6-10
TIME
COMPARISON
.
6-11
SLOPE
..............
6-12
TV LINE
SIGNAL
............. 6-13
TV FIELD SIGNAL ...........
6-13
MAKING
DIGITAL
STORAGE
MEASUREMENTS
.............
6-14
AC PEAK -
TO -
PEAK
VOLTAGE
USING
CURSORS
......
6-14
GROUND REFERENCED DC
VOLTAGE
............
6-14
TIME
DURATION ,
6-15
FREQUENCY
........
6-16
RISE
TIME
...........
6-16
WAVEFORM
COMPARISON
...
6-17
TIME
DIFFERENCE
BETWEEN
REPETITIVE PULSES ....
.......
6-18
TIME
DIFFERENCE
BETWEEN
TWO TIME -
RELATED PULSES .......... 6-18
PHASE DIFFERENCE BETWEEN
SINUSOIDAL SIGNALS .
6-19
SLOPE .... 6-20
LOW -
LEVEL SIGNAL
MEASUREMENTS
6-21
OBSERVING
AND
REMOVING
ALIASES IN STORE MODE
6-22
3-1
3-1
3-5
3-8
3-10
3-13
3-13
3-14
TRIGGER
............
STORAGE CONTROLS ...
REAR PANEL ...
SIDE PANEL .......
CRT READOUT .
Л 7
Section 4 OPERATING CONSIDERATIONS
GRATICULE
GROUNDING ...
SIGNAL
CONNECTIONS
INPUT - COUPLING
CAPACITOR
PRECHARGING
.............
PLOTTING THE GRATICULE
CANCELING A PLOT .......
4-1
4-1
4-1
4-2
4-2
4-2
5-1
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Section 5 OPERATOR'S CHECKS AND
ADJUSTMENTS
INITIAL SETUP ..
TRACE
ROTATION
ADJUSTMENT ..
PROBE COMPENSATION .....
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5-2
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2221
Operators
TABLE
OF
CONTENTS (
cont )
Page
Page
Section 7 OPTIONS AND ACCESSORIES
STRUCTURE ....
A - 1
TEST EQUIPMENT REQUIRED
A - 1
LIMITS AND TOLERANCES ..........
A - 1
PREPARATION FOR CHECKS ........... A - 1
INDEX TO PERFORMANCE
CHECK STEPS ...........
A - 3
VERTICAL ...
A
-
4
INITIAL CONTROL SETTINGS .....
A - 4
PROCEDURE
STEPS ........
A - 4
HORIZONTAL
...........
A - 11
INITIAL CONTROL SETTINGS ............ A - 11
PROCEDURE STEPS ........
A - 11
TRIGGER
...............
A - 15
INITIAL CONTROL SETTINGS ,
A - 15
PROCEDURE STEPS ...........
A - 15
EXTERNAL Z - AXIS , PROBE
ADJUST , EXTERNAL CLOCK ,
AND X - Y PLOTTER ...............
....
A.18
INITIAL CONTROL SETTINGS ........... A - 18
PROCEDURE STEPS ........
A - 18
Oo..Oooida
INTRODUCTION
7-1
GENERAL INFORMATION ............
7-1
STANDARD ACCESSORIES .........
7.1
OPTIONAL ACCESSORIES ...........
7-1
INTERNATIONAL POWER CORD
OPTIONS ........
7.2
OPTION 10
7-2
OPTION 12
7-2
OPTION 33 ......
7-2
COMMUNICATIONS OPTION
OPERATION .... 7-2
ADVANCED FUNCTION MENU
( for the
2230 only )
...
7-3
NON -
VOLATILE
EXTENDED
MEMORY
(
for the
2230
only
)
......
7-3
OPTION
10
GPIB
OPERATORS
INFORMATION
.................
7-3
OPTION 12 RS - 232 - C OPERATORS
INFORMATION
...............
7-10
RS - 232 - C PROGRAMMING ................. 7-15
COMMUNICATION AND
WAVEFORM
TRANSFER ................
7-17
READOUT / MESSAGE COMMAND
CHARACTER SET ...........
7-17
MESSAGES AND
COMMUNICATION
PROTOCOL .........
7-17
WAVEFORM TRANSFERS ...............
7-21
COMMUNICATION COMMANDS ........ 7-24
STATUS BYTES AND EVENT
CODES
.....
7-47
2221 SPECIFIC COMMANDS ............. 7-51
.......
CU
Appendix
B
RS - 232 - C DEVICE
INTERCONNECTION
B - 1
INTRODUCTION ................
B -
1
DETERMINING DEVICE TYPE ..........
B - 1
INTERCONNECTION RULES ........
B - 2
INTERCONNECTION CABLE TYPE
IDENTIFICATION
.............
B - 3
RS - 232 - C INTERCONNECTION
CABLE - TYPE ILLUSTRATIONS .......... B - 3
INTERCONNECTION CABLE
PART NUMBERS .........
B - 7
PRINTER / PLOTTER OPERATION
B - 10
PLOTTER
TYPES
.....
B - 10
QUESTIONS AND ANSWERS
B - 17
11
Appendix A
PERFORMANCE
CHECK PROCEDURE
INTRODUCTION
A - 1
PURPOSE
..........
A - 1
PERFORMANCE CHECK INTERVAL .. A - 1
CHANGE INFORMATION
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2221
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LIST OF ILLUSTRATIONS
Figure
Page
The
2221 Digital
Storage
Oscilloscope
1-1
Maximum input voltage vs frequency derating curve for CH 1 OR X ,
CH 2 OR
Y , and
EXT
INPUT connectors
....
Physical dimensions of the 2221 Oscilloscope .
1-14
1-15
1-2
.....
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1
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П
1
7
Л
Л
in
П
Л
7
П
2-1
2-2
2-3
Securing the detachable power cord to the instrument ..
Optional power - cord data
..........
Fuse hoider and
detachable power - cord
connector
.
2-1
2-2
2-2
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
3-9
Power and display controls and power - on indicator
Vertical
controls
and
connectors
Horizontal
controls
.....
Trigger controls
,
connector
, and
indicator
........
Storage
controls
.........
Rear
panel
Left
side
panel
....
X -
Y
Plotter
interfacing
Crt
readout
display
......
3-2
3-3
3-6
3-8
3-11
3-13
3-14
3-15
3.16
Graticule
measurement
markings
4-1
5-1
Probe
compensation
......
5-2
6-1
6-2
6-3
6-4
6-5
6-6
6-7
6-8
6-9
6-10
6-11
6-12
6-13
6-14
6-15
6-16
6-17
6-18
6-19
6-20
Peak - to -
peak
waveform
voltage
.....
Ground
referenced
voltage
measurement
Algebraic
addition
.....
Common -
mode
rejection
Time duration ...........
Rise time ......
Time
difference
between two time -
related
pulses
Time
difference
between
repetitive
pulses
........
Phase difference .
High -
resolution
phase
difference .
Slope
......
Ac peak - to - peak
voltage , cursor
method ........
Ground
referenced
dc voltage
, cursor
method
.
Time duration , cursor method ..
Rise - time
setup , five -
division display .
Rise
time ,
cursor
method
.........
Waveform
comparison
Time
difference
between
repetitive pulses
........
Time
difference
between two time -
related
pulses
Phase
difference
between
sinusoidal
signals ...
6-4
6-5
6-6
6-7
6-7
6-9
6-10
6-10
6-11
6-11
6-12
6-14
6-15
6-16
6-16
6-17
6-18
6-18
6-19
6-20
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2221
Operators
LIST
OF
ILLUSTRATIONS
(
cont )
บ
Figure
Page
6-21
6-22
6-23
6-24
6-25
6-26
Slope using cursors .....
Low - level
signal ,
STORE
mode
Low - level signal
, AVERAGE
mode
Anti
-
aliasing
Glitch
display
,
ACCPEAK
Store
mode .....
Missing pulse , ACCPEAK Store mode ........
6-21
6-21
6-22
6-22
6-23
6-23
7-1
7-2
7-3
Option 10 side panel ....
SRQ ,
ADDR , and
PLOT indicators .
Option
12
side panel
7-5
7-7
7-11
10.III
I
..........
00.OON
+4241
بال
B - 1
B - 2
B - 3
B - 4
B - 5
B - 6
B - 7
B - 8
B
-
9
B - 10
B - 11
B - 12
B -
13
B - 14
B -
15
B - 16
B - 17
B - 18
Null
Modem
cable
wiring ...
B - 2
Type A
Connections -
DTE male
to DCE
female ........
B - 4
Type A1 Connections — DTE female to DCE female ..
B - 5
Type A2
Connections —
DTE male to
DCE male
.....
B - 6
Type B
Connections - DTE male
to DTE male
and DCE male
to DCE male ....
B - 7
Type B1
Connections — DTE female
to DTE male
and DCE female
to DCE male
B - 8
Type B2 Connections — DTE female to DTE female and DCE female to DCE female .............
B - 9
Option 12 RS - 232 - C Printer / Plotter interconnects .......
B - 11
Option 12 RS - 232 - C communication parameters
B - 11
HP 7470A and HP 7475A plotter RS - 232 - C switch settings ...
B - 12
Option 12 PARAMETERS switch settings for HP - GL compatible plotters
B -
12
Epson FX - Series printer RS - 232 - C switch settings ...
B - 13
Option 12 PARAMETERS switch settings for Epson printers ..
B -
13
HP
ThinkJet RS - 232 - C
switch
settings
.....
B - 14
Option 12 PARAMETERS switch settings for HP Thinkjet printer .....
B - 14
Option 10 GPIB interface PARAMETERS switch .........
B - 15
Option 10 PARAMETERS switch settings for compatible GPIB printers / plotters
B - 15
Switch settings for compatible GPIB plotters ....
B - 16
Qoca.O.O.O
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Operators
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LIST
OF
TABLES
Table
Page
III.I
1.1
1-2
1-3
1-4
Displayable Record Length
Electrical
Characteristics ......
Environmental
Characteristics
Physical
Characteristics
1-1
1-3
1-13
1-14
3-1
3-2
3-3
3-4
3-5
Probe
Coding
.....
2221 Digital Storage Modes
Repetitive Store
Sampling Data
Acquisition
..
Acquisitions Before a Plot ...
Auxiliary
Connector
....
3-4
3-7
3-7
3-12
3-13
П
П
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on
П
1
7-1
7-2
7-3
7-4
7-5
7-6
7-7
7-8
7-9
7-10
7-11
7-12
7-13
7-14
7-15
7-16
7.17
7-18
7.19
7-20
7-24
7-22
7-23
7-24
7-25
7-26
7-27
7-28
7-29
7-30
7-31
7-32
Extended Memory
Specification
Functions
Subsets
Implemented ....
Specific
Format
Choices
Implementation of Specific Features
GPIB
Connector
........
GPIB
PARAMETERS Switch
..................
Specific Format
Choices
for
Option 12
Implementation of Specific Features for Option 12 ........
RS - 232 - C
DTE
Connector
RS
-
232
- C
DCE
Connector .
RS - 232 - C
PARAMETERS
Switch
Baud Rate
Parity
Selection
.......
Readout / MESsage Command Character Set
ASCII
Code
Chart
............
Numeric Argument Format for Commands
Typical 8 - Bit Binary - Encoded Waveform Data
Typical 16 - Bit Binary - Encoded Waveform Data
Typical 8 - bit Hexadecimal - Encoded Waveform Data
Typical 16 - bit Hexadecimal - Encoded Waveform Data ........
Typical ASCII - Encoded Waveform Data ..........
Vertical
Commands ......
Horizontal Commands ....
Trigger
Commands
.....
Cursors
Commands
Display
Commands
Acquisition Commands .................
Save and Recall Reference Commands
Waveform
Commands
.........
Waveform
Preamble Fields
Miscellaneous Commands
Service Request Group Commands
7-4
7-4
7-5
7-5
7-6
7-6
7-10
7-11
7-11
7-12
7-13
7-13
7-14
7-18
7-19
7-21
7-22
7-23
7-23
7-24
7-24
7-26
7-27
7-28
7-29
7-31
7-32
7-34
7-38
7-40
7-44
7-45
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2221
Operators
C
LIST
OF
TABLES (
cont
)
Table
Page
...............
..... 7-33
7-34
7-35
7-36
RS - 232 - C Specific Commands .
Status
Event and
Error
Categories
Event Codes .....
2221 Commands , Short Form List
7-46
7-47
7-48
7-51
A - 1
A - 2
A -
3
A - 4
A - 5
A - 6
Test Equipment Required .......
Deflection
Accuracy
Limits
...
Storage Deflection Accuracy ...
Settings
for
Bandwidth
Checks
Settings
for
Timing Accuracy
Checks
Switch Combinations for Triggering Checks ....
A -
2
A -
4
A - 5
A - 7
A.12
A - 15
U .
B - 1
B -
2
Cable - Type
identification
..
RS - 232 - C Transfer Rates
B
-
3
B - 17 .....
بال
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