Tektronix 222 Manual de usuario

TEK OPERATORS

MANUAL

070-7100-00

PRODUCT GROUP 40

222

HAN

ELD

DIGITAL STORAGE

OSCILLOSCOPE

OPERATORS

First Printing DEC 1988

Revised APR 1990

Please Check for

CHANGE INFORMATION

the Rear

This Manual

COMMTTEO

EXCELI.ENCE

publicationmaynotbereproducedinanyform withoutthe writtenpermission

of Tektronix, Inc.

Products

Tektronix, Inc. and its subsidiaries are covered

U.S. and

foreign patents and/or pending patents.

TEKTRONIX, TEK, and

are registered trademarks

Tektronix, Inc.

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

-==

s:::

c::

-==

ICO

a::!

lli:a

•!

•

•·

••

Certificate of the Manufacturer/Importer

hereby

certify

that

the

222

DIGIT

STORAGE

OSCILLOSCOPE AND ALL INSTALLED OPTIONS

complies

with

the

Interference

Suppression

requirements

Amtsbl.-Vfg

1046/1984.

. d h t

the

equipment

being

The

German

Postal

Service

was

not1fle t a

marketed.

The

German

Postal

Service

has

the

right

re-test

the

series and

verify

that

complies.

TEKTRONIX

Bescheinigung des Herstellers/lmporteurs

222 DIGITAL STORAGE

Hlermit

wlrd

bescheinigt,

dal3 der/dle/das__;:==--:::..:..:::.:..;...;__

____

OSCILLOSCOPE AND ALL INSTALLED OPTIONS

Ubereinstimmung

mit

den

Bestlmmungen

der

Amtsblatt-VerfugLlng

1046/1984

funkentstort

1st.

Der

Deutschen

Bundespost

wurde

das lnverkehrbrlngen dleses

Gerates

angezelgt

und

die

Berechtlgung

zur 'uberprufu'ng

der

Serie

auf

Einhalten

der

Bestimmungen

eingeraumt.

TEKTRONIX

NOTICE

the

user/operator:

The

German

Postal Service requires

that

Systems assembled by the

operator/user

this

Instrument

must

also comply with Postal

Requlatlon,

Vfg.

1046/1984, Par. 2,

Sect.

HINWEIS fLlr den

Benutzer/Betrelber:

Die

vom

Betrelber

zusammengestellte Anlage, lnnerhalb

darer

dies

Gerat

eingesetzt wlrd,

mu13

ebenfalls den Voraussetzungen nach Par. 2,

Ziff. 1

der

Vfg.

1046/1984 genugen.

NOTICE

the

user/operator:

The

German

Postal Service requires

that

this equipment, when used

test

setup,

may

only be

operated

If the requirements

Postal

Regulation,

Vfg.

104611984, Par. 2,

Sect.

1.7.1 are compiled with.

HINWEIS fLlr den

Benutzer/Betrelber:

Dales Ger'at

dart

Me/3aufbauten

nur

betrieben warden, wenn die

Voraussetzungen des Par. 2,

Ziff.

1. &.1

der

Vfg.

1046/1984

eingehalten werden.

• I

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TABLE

CONTENTS

Page

LIST OF ILLUSTRATIONS

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

LIST OF TABLES

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

OPERATORS SAFETY SUMMARY

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

vii

Section

1 YOUR

NEW

OSCILLOSCOPE

1.1

FEATURES

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

1-1

1.2 SPECIFICATION SUMMARY

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

1-2

1.3 STANDARD ACCESSORIES

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

1-4

1.4 OPTIONAL ACCESSORIES . . . . . . . . . . . . . . . . .

1-4

Section 2

GETIING

STARTED

1 SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

2.2 BATTERY-CHARGER ADAPTER

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

2-1

2.3 EXTERNAL SUPPLY VOLTAGE

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

2-1

2.4 BATTERY OPERATION

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

2-2

2.5 FIRST TIME BATTERY OPERATION

..........

2-3

2.6 START-UP

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

2-4

2.7 AUTO TIMEOUT

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

2-4

2.8 VIEWING A SIGNAL QUICKLY

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

2-4

Section

WHAT

THE

CONTROLS

3.1

CONTROL REFERENCE TABLES

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

3-1

3.2

ON-SCREEN

READOUT LOCATIONS

........

3-6

3.3 EXPANDED CONTROLS INFORMATION

......

3-8

3.4 CRT DISPLAY, MENU BUTTONS,

AND POWER

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

3-8

3.5 VERTICAL CONTROLS

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

3-10

3.6 HORIZONTAL CONTROLS

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

3-12

3.7 TRIGGER CONTROLS

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

3-14

3.8 TOP PANEL BUTTONS

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

3-16

3.9 REAR PANEL CONTROLS AND

CONNECTORS

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

3-19

REV JUN

1989

Page

Section

HOW

IT WORKS

4.1

TURN ON . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1

4.2 AUTO

SETUP

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

: : : : : 4-1

4.3 MENU SELECTION

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

4-2

4.4 STORE

NONSTORE DISPLAY

MODE SELECTION

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

4-3

4.5 CLEARING MENU AND

SAVED

WAVEFORM

DISPLAYS

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

4-3

4.6 CHANNEL SELECTION

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

4-3

4.7 VERTICAL INPUT COUPLING

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

4-4

4.8 VOLTS/DIV SCALING

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

4...:5

4.9 VERTICAL POSITIONING

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

4-5

4.10 VARIABLE VOLTS/DIV CONTROL

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

4-6

4.11

CH1

AND CH2

INVERTED

DISPLAY

..........

4-6

4.12 SEC/DIV SCALING

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

4-7

4.13 HORIZONTAL POSITIONING . . . . . . . . . . . . . . .

4-8

4.14 X10 MAGNIFICATION

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

4-8

4.15 TRIGGER

LEVEL

SETTING

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

4-9

4.16 TRIGGER SLOPE SELECTION

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

4-9

4.17 TRIGGER MODE SETTING . . . . . . . . . . . . . . . .

4-10

4.18 TRIGGER SOURCE SELECTION

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

4-11

4.19 SAVING WAVEFORMS

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

4-12

4.20 RECALLING

SAVED

WAVEFORMS

..........

4-13

4.21

SAVING FRONT-PANEL SETUPS

...........

4-14

4.22 RECALLING FRONT-PANEL SETUPS

.......

4-16

4.23 CLEARING

SAVED

FRONT-PANEL SETUPS

4-17

4.24 SETTING

TRIGGER

POSITION

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

4-18

4.25 ACQUISITION MODE SELECTION

..........

4-20

4.26

X-Y

Y-T

DISPLAY MODE SELECTION

....

4-21

4.27 READOUT ON

OFF

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

4-21

4.28 AUTO TIMEOUT

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

4-2a

4.29 SETTING BAUD

RATE

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

4-24

4.30 ACTIVATING

THE

LOCAL MODEM

..........

4-25

4.31

DISPLAY

ROTATION

ALIGNMENT

........

4-26

4.32 SELF CALIBRATION

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

4-28

4.33 FIRMWARE VERSION IDENTIFICATION

......

4-31

REV

APR

1990

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Page

Section

MAKING

MEASUREMENTS

5.1

SIGNAL TRACING WITH AUTO

SETUP

.......

5-1

5.2 GRATICULE MEASUREMENTS . . . . . . . . . . . . . . 5-1

5.3 FLOATING MEASUREMENTS . . . . . . . . . . . . . . .

5-6

5.4 DIFFERENTIAL MEASUREMENTS . . . . . . . . . . .

5-6

5.5 SINGLE

SWEEP

OPERATION

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

5-8

Section

6 MORE ON

HOW

IT WORKS

6.1

AUTO

SETUP

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

6.2 PROBES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-3

6.3 STORE AND NONSTORE DISPLAY MODES

...

6-5

6.4 VERTICAL INPUT COUPLING . . . . . . . . . . . . . . .

6-5

6.5

DEFAULT

ACQUISITION MODES . . . . . . . . . . . .

6-6

6.6 TRIGGER MODES

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

6-10

6.7 TRIGGER SOURCE

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

6-12

6.8 TRIGGER POSITION . . . . . . . . . . . . . . . . . . . . .

6-12

6.9 TRIGGER LEVEL/AUTO

LVL:

PUSH

.........

6-12

6.10 ACQUISITION MODES

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

6-13

6.11

TIPS

BATTERY

CARE . . . . . . . . . . . . . . . . .

6-14

6.12

ALTERNATE

METHOD

FOR

BATTERY

CHARGING . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6-15

6.13

BATTERY

REPLACEMENT

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

6-15

6.14 MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . . . .

6-17

6.15 REPACKAGING

FOR

SHIPMENT . . . . . . . . . . .

6-17

Section

7 OPTIONS AND ACCESSORIES

7.1

INTRODUCTION

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

7-1

7.2 STANDARD ACCESSORIES

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

7-1

7.3 OPTIONAL ACCESSORIES

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

7-2

7.4 OPTIONS

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

7-2

7.5

PARTS

SUPPLIED WITH THE 222ACC

FIELD

ACCESSORIES

KIT

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

7-2

Section

8 PERFORMANCE SPECIFICATIONS

8.1

INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . 8-1

8.2 RECOMMENDED PERFORMANCE

CHECK SCHEDULE

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

8-1

REV

APR

1990

iii

Page

8.3 DETAILED SPECIFICATIONS

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

8-1

8.3.1 Vertical Deflection System . . . . . . . . . . . . 8-1

8.3.2 Trigger System

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

8-6

8.3.3 Horizontal System

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

8-6

8.3.4 X-Y Operation

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

8-8

8.3.5 RS-232 Interface

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

8-8

8.3.6 External Power Requirements

.........

8-8

8.3.7 Internal Batteries

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

8-9

8.4 ENVIRONMENTAL SPECIFICATIONS

........

8-10

8.5 MECHANICAL SPECIFICATIONS

...........

8-12

Appendix

A CHECKING YOUR INSTRUMENT'S

PERFORMANCE

A.1

INTRODUCTION

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

A-1

A.2

TEST

EQUIPMENT

REQUIRED

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

A-1

A.3 PERFORMANCE CONDITIONS

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

A-3

A.4 PERFORMANCE CHECK

INTERVAL

..........

A-3

A.5 PREPARATION

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

A-4

A.6 INDEX

PERFORMANCE CHECKS

........

A-5

A.7 DISPLAY CHECKS

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

A-6

A.8 VERTICAL

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

A-8

A.9 HORIZONTAL

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

A-15

A.10

TRIGGER

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

A-17

INDEX

CHANGE INFORMATION

iv REV

JUN

1989

• I

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4 •

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• •

•·

•

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•1

•

...

1 •

.~.

Figure

2-1

3-1

3-2

3-3

3-4

3-5

3-6

3-7

3-8

3-9

3-10

4-1

5-1

5-2

5-3

5-4

5-5

6-1

8-1

8-2

A-1

LIST OF ILLUSTRATIONS

Page

External Power Input . . . . . . . . . . . . . . . . . . . . . . . . . .

2-2

Front-Panel controls . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Top-Panel buttons . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-3

Rear

Panel

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

3-4

On-screen readout locations . . . . . . . . . . . . . . . . . . .

3-6

CRT

display, menu buttons, and power

...........

3-8

Probes and Vertical controls

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

3-10

Horizontal controls

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

3-12

Trigger controls

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

3-14

Top-Panel buttons . . . . . . . . . . . . . . . . . . . . . . . . . . .

3-16

Rear

Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19

ALIGN

x:f

test pattern

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

4-28

Peak-to-peak voltage measurement

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

5-2

Voltage with respect to ground

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

5-3

Time measurement . . . . . . . . . . . . . . . . . . . . . . . . . . .

5-4

Rise Time measurement

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

5-5

Common-mode rejection with differential inputs . . . .

Probes and probe accessories . . . . . . . . . . . . . . . . . .

6-4

Maximum rated normal-mode voltage versus

frequency derating curve . . . . . . . . . . . . . . . . . . . . . . .

8-4

Maximum rated common-mode voltage versus

frequency derating curve . . . . . . . . . . . . . . . . . . . . . . .

8-5

Trigger jitter check

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

A-22

REV APR 1990 v

Table

3-1

3-2

3-3

3-4

6-1

6-2

6-3

6-4

A-1

A-2

LIST OF TABLES

Page

Front-Panel Controls Quick Reference

...........

3-1

Top-Panel Controls Quick Reference

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

3-3

Rear-Panel Controls Quick Reference

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

3-4

On-Screen Readouts . . . . . . . . . . . . . . . . . . . . . . . . .

AUTO

SETUP

Defaults

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

6-2

Default Acquisition Modes

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

6-7

Repetitive Store Fill . . . . . . . . . . . . . . . . . . . . . . . . . . 6-10

AUTO

LVL

Trigger Interval Limits . . . . . . . . . . . . . . . 6-11

Test Equipment Required

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

A-2

VOLTS/DIV Accuracy Settings

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

A-12

REV

JUN 1989

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OPERATORS SAFETY SUMMARY

The

safetyinformation in this summaryis

for

operatingpersonnel. Warnings

and

cautions will also

found

throughout the manual where they

apply

Terms in

this

Manual

CAUTION statements identify

conditions or practices that could

result

damage to the equipment

or other property.

WARNING statements identify

conditions or practices that could

result

personal injury or loss of

life.

Terms as

Marked

Equipment

CAUTION indicates a personal

injury hazard not immediately

accessible

one reads the

markings, or a hazard to property,

including the equipment itself.

DANGER indicates a personal

injury hazard immediately acces-

sible

one reads the marking.

Symbols in

this

Manual

Indicates where

applicable cautionary

other information is to

found. For maximum input

voltage ratings, see the

Specifications.

Symbols

as Marked on

Equipment

DANGER-High voltage.

£.

ATTENTION-Refer to

manual.

lol DOUBLE

INSULATED-No

safety ground required.

Safety Grounding

This instrument

double insulated

and does not use or require a

safety-grounding conductor.

Not

Operate in an

Explosive Atmosphere

Toavoid explosion, do not operate

this productin an explosiveatmos-

phere unless it has been certified.

Not

Remove Covers

Panels

To avoid personal injury,

not

remove the product covers or

panels. Donotoperatetheproduct

without the covers and panels

properly installed.

REV JUN 1989

vii

Section

1-222

DSO

Operators

SECTION 1

YOUR

NEW

OSCILLOSCOPE

1.1

FEATURES

The 222 Digital Storage Oscilloscope is a portable, hand-heldinstru-

ment. It is lightweight and battery operated for remote-site servicing.

Its total portability makes waveform testing easy

locations difficult

or impossible to reach with a standard-sized oscilloscope.

The

222

has the following features:

•

to 10 MHz signal bandwidth

• 1Omegasample per second digitizing rate

• 1 MHz single-shot storage bandwidth

• 10 MHz repetitive storage bandwidth

• Fully isolated dual vertical channels

• 5

to 50 V per division vertical deflection sensitivity

• 50 ns to 20 sec per division time base

• On-screen readouts

• Auto setup and auto level triggering

• Minimumtwo houroperating time with afully charged battery

• Three hour recharge time with the instrument off

• Time Out feature when not

active use

• Envelope mode peak detect for glitch capture

• Averaging for smoothing of last four waveform acquisitions

• Continuous envelope mode for monitoring signal changes

• Four front-panel setup save memories

• Four waveform save memories

• Fully configurable front panel and waveform transfers via

the RS-232 communication port

REV APR 1990

1-1

Your

New

Oscilloscope

-222

DSO

Operators

1.2

SPECIFICATION SUMMARY

The complete instrument specifications are given in Section

Accuracy

±3%

Horizontal

Display Accuracy

X10 MAG

Sample

Rate

Accuracy

Record

Length

Vertical

Resolution

Useful

Bandwidth

Sample Mode

(Single-shot

sampling)

Repetitive Mode

Greater than 0.5 µs/div

0.5

µs/div

or Less

Peak Detect Mode

(ENV

and

CONT

ENV)

Sine Wave Capture

Pulse Width Amplitude

Capture

±2%

±5%

0.01%

512 data points

(50

per

division)

8-bits, 25 levels per vertical

division. 10.24 divisions

dynamic range

Timebase

The maximum sampling rate

10 MHz is reached at a

SEC/DIV setting of 5 µs/div.

Timebase Hz

10 MHz

The analog bandwidth is

limited to 1

OMHz

the

vertical system.

1 MHz

100 ns

1-2

REV APR 1990

....

-:1

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Your

New

Oscilloscope-222

DSO

Operators

Maximum Rated

Normal-Mode

Voltage

(probe

tip

probe

common)

400 V (de + peak ac) to

2 MHz. See Figure 8-1 for

frequency derating curve.

Maximum Rate

Common-Mode

Voltage

(probe

common

chassis) 400 V (de + peak ac) to

1 kHz. See Figure

8-2

for

frequency derating curve.

Maximum Rated Potential

Between Channels 800 V (de + peak ac)

Maximum Rated Potential

Between Either

Power

and

EXT

TRIG

COMM

RS-232

Common

-0.5

V peak

Ifeitherthe

EXT

TRIG

COMMconnector

the RS-232

cable is connected to an external earth ground

external

power

is applied, the oscilloscope chassis

cannot be elevated.

Weight

Without accessories

Dimensions

Length

Height

Width

4.4 lbs

kg)

9.9 in (252 mm)

3.4

(86.4 mm)

6.25

(158.8 mm)

REV APR 1990

1-3

Your

New

Oscilloscope-222

DSO

Operators

Battery-Charger

Adapter

Battery

Operating Tlme

Charging

Time

External

Power

Requirements

CRT Graticule Dimensions

18 Vrms

Sealed lead-acid battery

with four cells. 8.8 V

open-

circuit

EMF

at full charge.

Two

hours minimum with a

fully charged battery.

Three hours with the

oscilloscope turned off.

Battery charging takes

place while the

oscilloscope is running

with the battery-charger

adapter supplying power.

16-20

Vac,

VA:

400

Hz.

12-28 Vdc,

Watts.

8 X

divisions of 0.5 cm

square (diagonal size

approximately 2.5 inches).

1.3 STANDARD ACCESSORIES (refer

Section 7

for

part

numbers)

The instrument is shipped with the following standard accessories:

1 Operators Manual

1 Quick Reference Guide

1 RS-232 Interface Guide

1 Instrument Carrying Pouch

1 Battery-Charger Adapter (wall transformer)

1 Probe Accessories Kit

1 Cabinet Feet Accessory Kit

1-4

REV APR 1990

·=·

-e:11

-~11

....

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••

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•••

••

Your

New

Oscllloscope-222

DSO

Operators

1.4 OPTIONAL ACCESSORIES (refer

Section 7

for

part

numbers)

Spare Battery

Accessory Pouch for Battery or Battery-Charger Adapter

(attaches to the instrument carrying case)

RS-232 Interconnection Cable

BNC-female-to-dual-banana Adapter

RS-232 Demonstration Disk

P2000 1

OOX

Attenuator Head

P6122 Probe

Field Accessories Kit

REV APR 1990

1-5

Section

2-222

DSC

Operators

Manual

SECTION 2

GETTING STARTED

2.1

SAFETY

The Operator's Safety Summary (preceding section 1ofthis manual}

contains safety information about the use of this instrument. Before

connecting the instrument to a power source, read the Operator's

Safety Summary and this section .

2.2 BATTERY-CHARGER ADAPTER

Instruments

are

shipped with a detachable battery-charger adapter

(wall transformer} that plugs into

ac power-source outlet. The

adapter converts the power-source ac voltage to the

to 20 Vac

input voltage needed to operate the instrument (with or without the

battery installed} and charges the oscilloscope's internal battery.

use

the battery-chargeradapterto operatethe oscilloscopewhen

ac line voltage source is available to maintain battery charge for use

when portable operation of the oscilloscope is needed. Use the

appropriate battery-charger adapter for the available power source

voltage

(115

Vac

and 230 Vac). The adapter plugs into the instru-

ment's external powerreceptacle as shown

Figure 2-1.

optional

accessory pouch to carry either the battery-charger adapter

(U.S.

model only} or a spare battery may be ordered (see section 7 for the

part number}. The accessory pouch attaches to the instrument

carrying case.

2.3 EXTERNAL SUPPLY VOLTAGE

The 222 operates on

external supplyvoltage ofeither

Vdc

to 20

Vac

(47

to 400 Hz} from a supplythat provides at least 15

watts or

volt-amperes. If the battery charge state is very low, the

current drawn byachargingbatteryfrom the suppliedbattery-charger

adapter (wall transformer) is current limited, and the crt display may

notbe stable.

this effect is seen, either charge the batteryfor 1hour

before operating the oscilloscope or operate without the battery

installed until it can be charged.

REV APR 1990

2-1

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