Tektronix 2252 Manual de usuario

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~ rV Z \S OPERATORS 070-7837-00

I c r y MANUAL __________________Product Group 4

PORTABLE

OSCILLOSCOPE

OPERATORS.

Please Check for

CHANGE INFORMATION

a he Rear of his Manual

First Printing JULY 1990

Copyright © 1990 Tektronix, Inc. A!! rights reserved. Contents of this publi

cation 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 for

eign patents issued and pending.

TEKTRONIX, TEK, SCOPE-MOBILE and

of Tektronix, Inc. are registered trademarks

Printed in U.S.A. Specification and price change privileges are reserved.

INSTRUMENT SERIAL NUMBERS

Each instrument has a serial number on a panel insert, tag, or stamped on the

chassis. The first two digits designate the country of manufacture. The last

five digits of the serial number are unique to each instrument.The country of

manufacture is identified as follows:

B000000 Tektronix, Inc., Beaverton, Oregon, U.S.A.

E200000 Tektronix United Kingdom, Ltd., London

G100000 Tektronix Guernsey, Ltd., Channel Islands

HK00000 Tektronix, Inc., Hong Kong

H700000 Tektronix Holland, NV, Heerenveen, The Netherlands

Sony/Tektronix, JapanJ300000

Certificate of the Manufacturer/im orter

We hereby certify that the 2252 OSCILLOSCOPE

________

_________________________

AND ALL INSTALLED OPTIONS

complies with the RF Interference Suppression requirements of

Amtsbl.-Vfg 104 /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

Bescheinigung des Hersteliers/l'm orteurs

Hiermit wtrd bescheinigt, daB der/die/das

______________

l

__

2252 OSCILLOSCOPE AND ALL INSTALLED OPTIONS

in Ubereinstimmung mil den Bestimmungen der Amtsbiatt-

Verfugung 1048/1984 funkentstort ist.

Der Deutschen Bundespost wurde das inverkehrbringen

dieses Gerates angezeigt und die Berechtigung zur

Oberprufung der Serie auf Einhalten der Bestimmungen

eingeraumt.

TEKTRONIX

NOTICE to the user/operator:

The German Postal Service requires that systems assembled

by the operaior/user of this instrument must also comply with

Postal Regulation, Vfg. 104 /1984, Par. 2, Sect. 1.

HiNWEIS fur den Benutzer/Betreiber:

Die vom Betreiber zusammengestellte Anlage, innerhalb deter

dies Gerat eingesetzt wird, muB ebenfails den Voraussetzungen

nach Par. 2, Ziff. 1 der Vfg. 104 /1984 genugen.

NOTICE to the user/operator:

The German Postal Service requires that this equipment, when

used in a test setup, may only be operated if the requirements

of Postal Regulation, Vfg. 104 /1984, Par. 2, Sect. 1.7.1 are

complied with.

HINWEIS fur den Benutzer/Betreiber:

Dies Gerat darf in MeBaufbauten nur betrieben werden, wenn

die Voraussetzungen des Par. 2, Ziff. 1.7.1 der Vfg. 104 /1984

eingehalten werden.

TABLE OF CONTENTS

Page

LIST OF ILLUSTRATIONS

...............

viii

LIST OF TABLES

.

.........................................

be

OPERATORS SAFETY SUMMARY

.........

..

................................... ..... X

SECTION 1-INTRODUCTION

PRODUCT OVERVIEW............................................................................................. 1-1

Description ................................................................................................................ 1-1

Standard Accessories ............................................................................................. 1-3

PREPARATION FOR USE......................................................................................... 1-4

Safety ...................................................................................................... 1-4

Line Fuse ................................................................................................................... 1-4

Line Voltage and Power Cord

................................................................................

1-4

Instrument Cooling................................................................................................... 1-8

Start-Up ..................................................................................................................... 1-

Repackaging for Shipment ..................................................................................... 1-7

SECTION 2 -CONTROLS, CONNECTORS, AND INDICATORS

CRT, Power, and Display ......................................................................................... 2-1

Vertical......................................................................................................................... 2-3

Horizontal ................................................................................................................... 2-8

Trigger............................................................................................}

........................

2-12

A Trigger Modes ............................................................................................... 2-15

. B Trigger Modes ............................................................................................... 2-1

Rear Panel................................................................................................................. 2-20

Menu System, Hardcopy, and GPIB Controls and Indicators

.........................

2-21

2252 Opera ors i

Page

SECTION 3“ OPERATORS FAMILIARIZATION

INTRODUCTION..........................................................................

BASIC OPERATION ..................................................................

Graticule.....................................................................................

4

Readout Display.........................................................................

Connecting Input Signals.........................................................

Grounding.............................................................................

Probes...................................................................................

Coaxial Cables

......................................................................

External Triggering

.............................................................

Auto Setup .................................................................................

Minimum Setup

........................................................................

Remote Control via the Communications P o rt

.....................

MENU SYSTEM OPERATION .................................................

Introduction ...............................................................................

Clearing the Menu and Cursors Display................................

Setting Measurement Channel.................................................

Recalling the Last Measurement M ode

..................................

Channel 1 and Channel 2 Voltmeter

......................................

Voltmeter Measurements Page 1

......................................

Voltmeter Measurements Page 2, GATED Measurements

Cursor Volts Measurements.....................................................

Time Menus ...............................................................................

Counter/Timer ...........................................................................

C/T Measurement Menu Page 1

........................................

Gated C/T Measurement Menu Page 2

...........................

C/T Control Menu

...............................................................

Conditions for Cursors Display ........................................

Measurement Cursors.........................................................

Track Trig LvS Cursors.........................................................

Track fh Cursors..................................................................

Behavior for Horizontal Mode Changes..................................

Measurement Compatibility and Error Messages

.................

Measurements in Single Sequence Mode

...........................

3-1

3-1

3-1

3-3

3-4

3-4

3-4

3-4

3-5

3-5

3-5

3-5

3-

3-

3-7

3-7

3-9

3-10

3-11

3-12

3-12

3-15

3-23

3-24

3-25

3-2

3-29

3-29

3-29

3-30

3-30

3-31

3-33

a2252 Opera ors

Page

SECTION 3-OPERATORS FAMILIARIZATION (cont)

Service Menu Features

...........................

3-33

Contigure Menu............................................................................................. 3-34

Self Cal Measurements

.

........................

3-37

Internal Settings Menu

............................................

3-38

Store/Recall Setup Features................................................................................... 3-39

Factory Stored Setups

...........................

3-40

Recall Only Menu ............................................................................................. 3-41

Store/Recall Setup Menu ................................................................................. 3-43

Recovering A Deleted Setup

............................................................................

3-47

Storing Setups in Sequences

.............

..

..

......................................................... 3-48

Waveform Digital Acquisition Modes

.....................

3-50

SECTION 4-OPERATOR CHECKS AND ADJUSTMENTS

Introduction .............................................. 4-1

Initial Setup............................................................. 4-1

Auto Setup Function.................................................................................................. 4-2

Trace Rotation Adjustment

....................................

4-3

Probe Low-Frequency Compensation

.

...............................

4-3

Vertical Deflection Check

.

........................................................................................

4-5

Timing Checks

.......................

4-

SECTION 5 —BASIC APPLICATIONS

Introduction

.

.............................................................................. 5-1

CH 1/CH 2 Voltmeter Measurements ....................................................... 5-1

Peak Voltage Measurement..................................................................................... 5-2

Gated Voltage Measurement......................................................... 5-4

Voltage Measurement Cursors................................................................................. 5-

Voltage Difference

.............................

5-

Ground-Referenced Voltage

..............................................................................

5-8

2252 Opera ors Hi

Page

SECTION 5 -"BASIC APPLICATIONS (cont)

Tims Measurement Cursors..................................................................................... 5-9

Time Difference.................................................................................................. 5-10

Propagation Delay f ........................................................................................... 5-10

Rise Time Measurements ................................................................................. 5-11

Phase Measurements ....................................................................................... 5-11

Frequency and Period Measurements

...........................................................

5-14

Time Delay Measurement ..................................................................................... 5-14

Track Trigger Level Cursors................................................................................... 5-17

Setting Trigger Level......................................................................................... 5-20

Use of the Add M ode.............................................................................................. 5-22

Hardcopy O utput.................................................................................................... 5-25

SECTION - PERFORMANCE CHARACTERISTICS

Introduction ............................................................................................................... -1

Recommended Calibration Schedule.................................................................... -1

SECTION 7-PERFORMANCE CHECK PROCEDURE

Introduction .............................................................................................................. 7-1

Test Equipment Required......................................................................................... 7-1

Performance Check interval..................................................................................... 7-1

Preparation................................................................................................................. 7-1

Index to Performance Check Procedure................................................................ 7-

DISPLAY..................................................................................................................... 7-9

Trace Rotation.................................................................... 7-9

Geometry

.........

................................................................................................... 7-10

VERTICAL................................................................................................................. 7-11

Input COUPLING Functional Check................................................................ 7-11

CH 1 and CH 2 VOLTS/DIV Trace Shift

.........................................................

7-12

CH 3 and CH 4 VOLTS/DIV Trace Shift .................................. 7-13

CH 1 and CH 2 VAR VOLTS/DIV Trace Shift

.................................................

7-13

CH 1 and CH 2 Input COUPLING Trace Shift

...............................................

7-14

CH 2 INVERT Trace Shift................................................................................... 7-14

iv 2252 Opera ors

Page

SECTION 7— PERFORMANCE CHECK PROCEDURE (cont)

VERTICAL (cont)

CH 1 and CH 2 VAR VOLTS/DIV Range......................................................... 7-14

Low Frequency Linearity C heck...................................................................... 7-15

CH 1 and CH 2 Vertical Deflection Accuracy................................................. 7-1

CH 3 and CH 4 Vertical Deflection Accuracy................................................. 7-17

ADD Mode and CH 2 INVERT Deflection Accuracy

....................................

7-18

Vertical POSITION Range (all channels) ....................................................... 7-19

CH 1 to CH 2 Signal Delay Match

.................................................................

7-20

CH 1 to CH 4 Signal Delay Match

.................................................................

7-21

CH 3 to CH 4 Signal Delay Match .................................................................. 7-22

Ch 1 and CH 2 Vertical Bandwidth

...............................................................

7-22

CH 3 and CH 4 Vertical Bandwidth

.................................................................

7-23

SCOPE BW {Bandwidth Limit) Accuracy....................................................... 7-24

Common-mode Rejection Ratio .................................................................... 7-24

Channel Isolation................................................................................................ 7-25

AC-Coupled Lower -3 dB Point...................................................................... 7-2

Vertical ALT and CHOP M odes........................................................................ 7-27

BEAM FIND Functional Check ........................................................................ 7-27

A and B Trace Separation................................................................................. 7-28

TRIGGERING .......................................................................................................... 7-29

500 Hz Trigger Sensitivity ................................................................................. 7-29

500 kHz Trigger Sensitivity ............................................................................... 7-30

25 MHz Trigger Sensitivity................................................................................. 7-31

150 MHz Trigger Sensitivity.......................................................................... 7-32

Single Sweep Mode ...........................................................>.

..

..

.......................

7-34

Trigger LEVEL Control Range.......................................................................... 7-34

TV Field Trigger Sensitivity ............................................................................... 7-35

TV Line Trigger Sensitivity................................................................................. 7-3

Line Trigger Functional Check ..................................■..................................... 7-3

2252 Opera ors v

SECTION 7 —PERFORMANCE CHECK PROCEDURE (cont)

Page

HORIZONTAL

...............................

7-37

A and B Sweep Length..................................................................................... 7-37

Horizontal POSITION Range............................................................................. 7-38

VAR SEC/DIV Range.......................................................................................... 7-38

Magnifier Registration

.......................................................................................

7-39

A and B Timing Accuracy and Linearity

.........................................................

7-39

A and B Magnified Timing Accuracy and Linearity

.

..

...................................

7-40

Delay Time Jitte r...........

....

................................................................................

7-42

Delay Time Accuracy

.......................................................................................

7-43

Delay Time Position Range............................................................................... 7-44

X-Axis Gain Accuracy

.......................................................................................

7-45

X-Y Phase Difference

.......................................................................................

7-45

X-Axis Bandwidth ......................................................................................... 7-4

MEASUREMENT CURSORS ................................................................................. 7-47

SEC ->| and |+~ 1 / SEC -M Cursor Accuracy

............................................

7-47

t+- PHASE -H Cursor Accuracy ...................................................................... 7-48

\4~ VOLTS -*[ Cursor Accuracy...................................................................... 7-48

fh VOLTS -*f Cursor Accuracy...................................................................... 7-49

Tracking Cursors Position Accuracy................................................................ 7-49

CH 1/CH 2 VOLTMETER ....................................................................................... 7-51

DC Volts Accuracy

...................

:......................................................................... 7-51

DC Volts Norma! Mode Rejection Ratio .......................................................... 7-52

4- Peak, -Peak, Peak-to-Peak Volts Accuracy........................................... 7-53

25 MHz + Peak, -Peak, and Peak-to-Peak Volts Accuracy ....................... 7-54

100 MHz +Peak, -Peak, and Peak-to-Peak Volts Accuracy

.....................

7-54

Gated Volts Accuracy ................. 7-55

COUNTER/T1MER.................................................................................................... 7-5

Period

...........................

7-5

Width 7-57

Rise Time Accuracy ......................................................................................... 7-59

2252 Opera or?