Tektronix 442 Manuale utente

Ttektronix

COMMITTED TO EXCELLENCE

INSTRUCTION MANUAL

BEFORE READING— THIS MANUAL REPRINTED JULY 1980

PLEASE CHECK FOR CHANGE INFORMATION

AT THE REAR OF THIS MANUAL

Tektronix, Inc.

.O. Box 500

Beaverton, Oregon 97077

070-2373-00

TEKTRONIX®

442

OSCILLOSCOPE

O ERATQRS

INSTRUCTION MANUAL

Serial Number

___________________

First rinting AUG 1977

W A R R A NTY

Tektroni warrants that this product is free from defects in materials and workmanship. The

warranty period is one (1) year from the date of shipment. Tektroni will, at its option, repair or

replace the product if Tektroni determines it is defective within the warranty period and if it is

returned, freight prepaid, to a service center designated by Tektroni .

Tektroni is not obligated to furnish service under this warranty:

a. to repair damage resulting from attempts by personnel other than Tektroni

representatives to install, repair, or service the product;

b. to repair damage resulting from improper use or from connecting the product to

incompatible equipment;

c. if personnel other than Tektroni representatives modify the hardware or software.

There is no implied warranty of fitness for a particular purpose. Tektronix is not liable for

consequential damages.

may not be reproduced in any form without the written permission of Tektroni , Inc.

Products of Tektroni , Inc. and its subsidiaries are covered by U.S. and foreign

patents and/or pending patents.

TEKTRONIX, TEK, SCOPE-MOBILE, and ^ 5 are registered trademarks of

Tektroni , Inc. TELEQUIPMENT is a registered trademark of Tektroni U.K.

Limited.

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

TABLE OF CONTENTS

age

LIST OF ILLUSTRATIONS....................................................iii

LIST OF TABLES.......................................................................iii

BEFORE O ERATION

Introduction..............................................................................1

Safety Inform ation................................................................1

Operating Voltage...................................................................1

ower Operation

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

Fuse Inform ation.............................................................3

LOCATION AND O ERATION OF EXTERNAL

CONTROLS, CONNECTORS, AND INDICATORS

Introduction

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

Crt Display and ower

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

External Blanking

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

ower Selectors and Dc Balance..........................................6

age

LOCATION AND O ERATION OF EXTERNAL

CONTROLS, CONNECTORS, AND INDICATORS (cont)

Vertical......................................................................................7

Horizontal..............................................................................10

Triggering.............................................................................. 11

BASIC OSCILLOSCO E O ERATION

reliminary

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

Signal Ground

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

Input Coupling Capacitor recharging........................14

Operators Adjustments and Checks

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

robe Compensation......................................................15

Vertical Gain Check

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

Basic Timing Check

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

Normal Sweep Operation...................................................16

Applications

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

edk-to- eak Voltage Measurements

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

Instantaneous Voltage Measurements—D c

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

442 Operators I

TABLE OF CONTENTS (Cont.)

age

BASIC OSCILLOSCO E O ERATION

Comparison Measurements

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

Time Duration Measurements.....................................23

Frequency Measurement................................................24

Rise Time Measurements................................................25

Time Difference Measurements

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

Multi-Trace hase Difference Measurements

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

X-Y hase Measurement................................................30

ll 442 Operators @

LIST OF ILLUSTRATIONS

Fig. No. a9e

1 442 Oscilloscope...........................................................iv

2 Power switches on b o ttom ..........................................2

3 Line fuse location on Rear Panel................................3

4 CRT DISPLAY and POWER front panel

controls and indicators...............................................4

5 E ternal Z-AXIS input on Rear Panel........................6

6 Controls through bottom of cabinet

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

7 Vertical system controls...............................................9

8 Horizontal system controls

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

9 Triggering system controls

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

Fig. No. Page

10 Probe compensation.....................................................15

11 Display of 0.5 PROBE ADJ output signal

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

12 Measuring peak-to-peak voltage of a waveform . . .18

13 Measuring instantaneous dc voltage with respect

to a reference voltage................................................19

14 Measuring the time duration between points

on a waveform

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

15 Measuring rise tim e

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

16 Measuring time difference between two pulses . . . 28

17 Measuring phase difference........................................29

18 Phase difference measurement from an

X-Y display

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

LIST OF TABLES

Table No. Page

1Ac Regulating Ranges

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

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

2 Ac Fusing

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

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

3Rise Time Measurements

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

.......................25

@ 442 Operators iii

Fig. 1. 442 Oscilloscope

442 Operators

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