Tektronix 2236 Manuale utente

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INFORMATION

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REAR

THIS

MANUAL

2236

OSCILLOSCOPE

OPERATORS

INSTRUCTION

MANUAL

Tektronix

Inc.

P.O.

Box

500

Beaverton

Oregon

97077

Serial

Number

070-4205-00

Product

Group

First

Printing

JAN

1983

Revised

OCT

1987

1983

Tektronix

Inc.

All

rights

reserved

Contents

this

publication

may

not

reproduced

any

form

without

the

written

permission

Tektronix

Inc.

Products

Tektronix

Inc.

and

its

subsidiaries

are

covered

U.S.

and

foreign

patents

and

pending

patents

KTRON

TEKTRONIX

TEK

SCOPE

MOBILE

and

are

registered

trademarks

Tektronix

Inc.

TELEQUIPMENT

registered

trademark

Tektronix

U.K.

Limited

Printed

U.S.A.

Specification

and

price

change

privileges

are

reserved

الا

INSTRUMENT

SERIAL

NUMBERS

Each

instrument

has

serial

number

panel

insert

tag

stamped

the

chassis

The

first

number

letter

designates

the

country

manufacture

The

last

five

digits

the

serial

number

are

assigned

sequentially

and

are

unique

each

instrument

Those

manufactured

the

United

States

have

six

unique

digits

The

country

manufacture

identified

follows

บ

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

Heerenveen

The

Netherlands

2236

Operators

TABLE

CONTENTS

Page Page

LIST

ILLUSTRATIONS

LIST

TABLES

OPERATORS

SAFETY

SUMMARY

Section

OPERATORS

FAMILIARIZATION

(

cont

)

POWER

CHECKS

3-2

CTM

MEASUREMENT

CONSIDERATIONS

3-2

STATUS

AND

ERRORS

MESSAGES

3-2

OPERATOR'S

ADJUSTMENTS

3-4

INTRODUCTION

3-4

BASELINE

TRACE

3-4

TRACE

ROTATION

3-4

PROBE

COMPENSATION

3-5

Section

GENERAL

INFORMATION

INTRODUCTION

SPECIFICATION

CALIBRATION

REPACKAGING

FOR

SHIPMENT

1-1

1-18

. .

1-18

2-1

2-2

Section

OPERATING

PROCEDURES

BASIC

APPLICATIONS

4-1

INTRODUCTION

4-1

INDEX

BASIC

APPLICATION

PROCEDURES

...

4-1

VOLTAGE

MEASUREMENTS

4-1

TELEVISION

DISPLAYS

4-4

DELAYED

SWEEP

4-5

TIME

AND

FREQUENCY

MEASUREMENTS

....

4-7

MULTIMETER

MEASUREMENTS

..4-12

2-2

Section

PREPARATION

FOR

USE

FIRST

TIME

START

SAFETY

LINE

VOLTAGE

POWER

CORD

LINE

FUSE

INSTRUMENT

COOLING

CONTROLS

CONNECTORS

AND

INDICATORS

DISPLAY

POWER

AND

PROBE

ADJUST

VERTICAL

HORIZONTAL

TRIGGER

COUNTER

TIMER

AND

MULTIMETER

RIGHT

SIDE

PANEL

REAR

PANEL

...

2-2

2-3

2-5

2-6

2-8

2-9

Section

OPTIONS

AND

ACCESSORIES

INTRODUCTION

OPTION

...

POWER

CORD

OPTIONS

STANDARD

ACCESSORIES

OPTIONAL

ACCESSORIES

5-1

Section

OPERATORS

FAMILIARIZATION

GENERAL

OPERATING

INFORMATION

3-1

GRATICULE

3-1

GROUNDING

3-1

SIGNAL

CONNECTIONS

3-1

INPUT

COUPLING

CAPACITOR

PRECHARGING

3-1

FRONT

PANEL

ILLUSTRATION

CHANGE

INFORMATION

REV

JUL

1984

2236

Operators

LIST

ILLUSTRATIONS

Fig

No.

1-1

1-2

2-1

2-2

2-3

나

2-4

2-5

2-6

2-7

Page

Maximum

input

voltage

frequency

derating

curve

for

DMM

and

EXT

INPUT

connectors

1-16

Physical

dimensions

the

2236

Oscillo

scope

1-17

Optional

power

cords

2-1

Fuse

holder

and

power

cord

connector

2-2

Power

and

display

controls

and

indicators

and

PROBE

ADJUST

output

2-3

Vertical

controls

and

connectors

2-3

Horizontal

controls

2-5

Trigger

controls

connector

and

indicator

2-6

Counter

timer

and

multimeter

controls

and

indicator

2-8

Multimeter

right

side

panel

connectors

2-10

Rear

panel

connector

2-10

Graticule

measurement

markings

3-1

Probe

compensation

3-5

Peak

peak

waveform

voltage

4-2

Instantaneous

voltage

measurement

4-3

Common

mode

rejection

4-4

Voltage

ratios

4-4

Delayed

sweep

magnification

4-6

Pulse

jitter

4-7

Rise

time

4-9

Time

difference

between

points

two

time

signals

nontriggered

mode

4-10

Resistance

measurement

technique

4-13

Reverse

voltage

drop

reverse

leakage

current

characteristics

for

typical

semiconductor

4-13

2-8

2-9

3-1

3-2

4-1

4-2

4-3

4-4

4-5

4-6

4-7

4-8

4-9

4-10

LIST

TABLES

Table

No.

น

Page

1-1

1-2

1-3

2-1

3-1

3-2

1-1

1-15

1-16

2-7

3-2

Electrical

Characteristics

Environmental

Characteristics

Physical

Characteristics

VERT

MODE

Trigger

Source

Power

Checks

Equipment

Required

for

10X

Probe

Compensation

Multimeter

Connections

Forward

Bias

Semiconductors

Reference

Resistance

Values

บ

3-5

4-1

4-12

4-13

4-2

REV

JUL

1984

น

2236

Operators

OPERATORS

SAFETY

SUMMARY

The

general

safety

information

this

part

the

summary

for

both

operating

and

servicing

personnel

Specific

warnings

and

cautions

will

found

throughout

the

manual

where

they

apply

and

not

appear

this

summary

Terms

This

Manual

CAUTION

statements

identify

conditions

practices

that

could

result

damage

the

equipment

other

property

Grounding

the

Product

This

product

grounded

through

the

grounding

conductor

the

power

cord

avoid

electrical

shock

plug

the

power

cord

into

properly

wired

receptacle

before

connecting

the

product

input

output

terminals

protective

ground

connection

way

the

grounding

conductor

the

power

cord

essential

for

safe

operation

WARNING

statements

identify

conditions

practices

that

could

result

personal

injury

loss

life

Terms

Marked

Equipment

Danger

Arising

From

Loss

Ground

CAUTION

indicates

personal

injury

hazard

not

immediate

accessible

one

reads

the

markings

hazard

property

including

the

equipment

itself

Upon

loss

the

protective

ground

connection

all

accessi

ble

conductive

parts

(

including

knobs

and

controls

that

may

appear

insulating

)

can

render

electric

shock

DANGER

indicates

personal

injury

hazard

immediately

cessible

one

reads

the

marking

Use

the

Proper

Power

Cord

Use

only

the

power

cord

and

connector

specified

for

your

product

Symbols

This

Manual

Use

only

power

cord

that

good

condition

This

symbol

indicates

where

applicable

cautionary

other

information

found

For

maximum

input

voltage

see

Table

1-1

For

detailed

information

power

cords

and

connectors

see

Figure

2-1

Symbols

Marked

Equipment

구

DANGER

–

High

voltage

Use

the

Proper

Fuse

avoid

fire

hazard

use

only

fuse

the

correct

type

voltage

rating

and

current

rating

specified

the

parts

list

for

your

product

Protective

ground

(

earth

)

terminal

ATTENTION

Refer

manual

Not

Operate

Explosive

Atmospheres

avoid

explosion

not

operate

this

product

explo

sive

atmosphere

unless

has

been

specifically

certified

for

such

operation

Power

Source

Not

Remove

Covers

Panels

This

product

intended

operate

from

power

source

that

does

not

apply

than

250

volts

rms

between

the

supply

conductors

between

either

supply

conductor

and

ground

protective

ground

connection

way

the

grounding

conductor

the

power

cord

essential

for

safe

operation

avoid

personal

injury

not

remove

the

product

covers

panels

not

operate

the

product

without

the

covers

and

panels

properly

installed

2236

Operators

Moto

SAIN

SAXO

2006021

4205-01

The

2236

Oscilloscope

Section

1-2236

Operators

GENERAL

INFORMATION

INTRODUCTION

ก

The

TEKTRONIX

2236

oscilloscope

lightweight

100

MHz

instrument

with

Counter

Timer

and

Multimeter

(

CTM

)

Measurement

values

are

displayed

the

Vacuum

Fluroescent

nine

digit

readout

For

part

numbers

and

further

information

about

both

stan

dard

and

optional

accessories

refer

the

Options

and

Accessories

section

(

Section

)

this

manual

Your

Tektronix

representative

local

Tektronix

Field

Office

Tektronix

product

catalog

can

also

provide

accessories

information

The

dual

vertical

channel

system

supplies

calibrated

deflec

tion

factors

from

per

division

per

division

Trig

ger

circuits

enable

stable

triggering

over

the

full

bandwidth

the

vertical

system

The

horizontal

system

provides

cali

brated

sweep

speeds

from

0.5

per

division

per

division

along

with

delayed

sweep

features

X10

magnifi

circuit

extends

the

maximum

sweep

speed

per

division

when

the

and

SEC

DIV

switch

set

0.05

SPECIFICATION

The

following

electrical

characteristics

(

Table

1-1

)

are

valid

for

the

2236

when

has

been

adjusted

ambient

tem

perature

between

and

has

had

warm

period

least

minutes

and

operating

ambient

temperature

between

and

(

unless

otherwise

noted

)

The

Counter

Timer

section

the

CTM

measures

frequency

period

width

and

totalizes

and

provides

digital

readout

oscilloscope

delay

time

and

delta

time

also

provides

frequency

period

and

width

measurements

and

totalizes

portions

waveform

selected

the

intensified

zone

(

gated

measurements

)

Counting

and

timing

measurements

are

made

through

the

and

Trigger

system

All

Counter

Timer

measurement

values

are

displayed

the

readout

Items

listed

the

“

Performance

Requirements

column

are

verifiable

qualitative

quantitative

limits

while

items

listed

the

Supplemental

Information

”

column

are

either

explan

atory

notes

calibration

setup

descriptions

performance

characteristics

for

which

absolute

limits

are

specified

characteristics

that

are

impractical

check

The

Multimeter

section

the

CTM

measures

voltages

and

resistance

through

the

floating

input

connectors

located

the

right

side

the

instrument

Voltages

can

also

mea

sured

through

the

DMM

connector

Tempera

ture

measurements

can

made

connecting

the

optional

temperature

probe

the

Multimeter

input

connectors

The

Multimeter

measurement

values

are

displayed

with

digit

(

5000

count

)

format

the

digital

readout

Environmental

characteristics

are

given

Table

1-2

The

2236

meets

the

requirements

MIL

28800C

paragraphs

4.5.5.1.3

4.5.5.1.4

and

4.5.5.1.2.2

for

Type

III

Class

equipment

except

where

otherwise

noted

The

instrument

shipped

with

the

following

standard

accessories

Operators

manual

Probe

package

Multimeter

test

lead

clips

Multimeter

test

leads

Power

cord

Physical

characteristics

the

instrument

are

listed

Table

1-3

REV

JUL

1984

1-1

General

Information

2236

Operators

Table

1-1

Electrical

Characteristics

Performance

Requirements

Supplemental

Information

VERTICAL

DEFLECTION

SYSTEM

Deflection

Factor

Range

per

division

per

division

1-2-5

sequence

per

division

per

division

gain

adjusted

with

VOLTS

DIV

switch

set

per

division

per

division

gain

adjusted

with

VOLTS

DIV

switch

set

per

division

Accuracy

Range

VOLTS

DIV

Variable

Control

Continuously

variable

between

settings

Increases

deflection

factor

least

2.5

Step

Response

Rise

time

calculated

from

the

formula

Rise

Time

0.35

Bandwidth

(

-3

)

per

Division

per

Division

3.5

less

per

Division

3.9

less

per

Division

per

Division

یزان

3.9

less

per

Division

4.4

less

Aberrations

-4

Measured

with

division

reference

signal

centered

vertically

from

source

driving

coaxial

cable

terminated

the

input

connector

with

the

VOLTS

DIV

Variable

control

the

CAL

detent

Positive

Going

Step

per

Division

0.5

per

Division

per

Division

per

Division

per

Division

-5

–

Bandwidth

(

-3

)

least

100

MHZ

per

Division

per

Division

per

Division

Measured

with

vertically

centered

division

reference

signal

from

source

driving

coaxial

cable

that

terminated

both

the

input

connector

and

the

probe

input

with

the

VOLTS

DIV

Variable

control

the

CAL

detent

least

MHZ

least

MHz

per

Division

per

Division

per

Division

least

MHz

Coupled

Lower

Limit

less

-3

1-2

General

Information

2236

Operators

Table

1-1

(

cont

)

ก

Characteristics

Performance

Requirements

Supplemental

Information

VERTICAL

DEFLECTION

SYSTEM

(

cont

)

Bandwidth

Limiter

Upper

limits

(

-3

)

bandpass

MHz

Chop

Mode

Switching

Rate

500

kHz

Input

Characteristics

Resistance

Channel

ΜΩ

0.2

Channel

ΜΩ

+0.5

Capacitance

(

Channels

and

)

Maximum

Safe

Input

Voltage

Coupled

400

(

peak

)

800

kHz

less.a

Coupled

400

(

peak

)

800

kHz

less.a

least

MHZ

Common

Mode

Rejection

Ratio

(

CMRR

)

Checked

per

division

for

common

mode

signals

divisions

less

with

VOLTS

DIV

Variable

control

adjusted

for

best

CMRR

kHz

Input

Current

1.0

less

(

0.5

division

trace

shift

per

division

)

Trace

Shift

with

Attenuator

Rotation

0.75

division

less

VOLTS

DIV

Variable

control

CAL

detent

1.0

division

less

Trace

Shift

VOLTS

DIV

Variable

Control

Rotated

Trace

Shift

with

Invert

1.5

division

less

Channel

Isolation

ก

Greater

than

100

MHZ

POSITION

Control

Range

least

+11

divisions

from

graticule

center

asee

Figure

1-1

for

derating

curve

1-3

บ

General

Information

2236

Operators

Table

1-1

(

cont

)

Characteristics

Performance

Requirements

Supplemental

Information

TRIGGER

SYSTEM

TRIGGER

Sensitivity

External

trigger

signal

from

source

driving

coaxial

cable

terminated

the

input

connector

AUTO

and

NORM

Modes

Sweep

MHZ

100

MHZ

Internal

0.35

div

1.2

div

1.5

div

Trigger

sensitivities

define

signal

amplitude

required

for

stable

display

External

150

250

Counter

Internal

0.5

div

1.5

div

2.0

div

External

160

300

Lowest

Useable

Frequency

AUTO

Mode

with

1.0

division

internal

100

external

FIELD

Mode

1.0

division

composite

sync

TRIGGER

Sensitivity

(

Internal

Only

)

MHz

MHZ

100

MHz

Sweep

0.35

div

1.2

div

1.5

div

Counter

0.5

div

1.6

div

2.0

div

EXT

INPUT

Maximum

Input

Voltage

400

(

peak

)

800

kHz

less.a

رف

Input

Resistance

ΜΩ

Input

Capacitance

+2.5

Coupled

less

lower

--3

point

Offset

less

(

LEVEL

Control

Range

TRIGGER

(

NORM

)

INT

Can

set

any

point

the

trace

that

can

displayed

EXT

least

+1.6

3.2

EXT

least

TRIGGER

(

Internal

only

)

Can

set

any

point

the

trace

that

can

displayed

;

VAR

HOLDOFF

Control

Increases

Sweep

holdoff

time

least

factor

aSee

Figure

1-1

for

derating

curve

1-4

اب

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