Tektronix 314 Manual de usuario

TEKTROIXJIX

WARRANTY

Tektronix

warrants

that

this

product

free

from

defects

materials

and

workmanship.

The

warranty

period

one

(1)

year

from

the

date

shipment.

Tektronix

will,

its

option,

repair

replace

the

product

Tektronix

determines

defective

within

the

warranty

period

and

returned,

freight

prepaid,

service

center

designated

Tektronix.

Tektronix

not

obligated

furnish

service

under

this

warranty:

repair

damage

resulting

from

attempts

personnel

other

than

Tektronix

representatives

install,

repair,

service

the

product;

repair

damage

resulting

from

improper

use

from

connecting

the

product

incompatible

e uipment;

personnel

other

than

Tektronix

representatives

modify

the

hardware

software.

There

implied

warranty

fitness

for

particular

purpose.

Te tronix

not

liable

for

consequential

damages.

1975

Tektronix,

Inc.

All

rights

reserved.

Contents

this

publication

may

not

reproduced

any

form

without

the

written

permission

Tektronix,

nc.

Products

Tektronix,

Inc.

and

its

subsidiaries

are

covered

U.S.

and

foreign

patents

and/or

pending

patents.

TEKTRONIX,

TEK,

SCOPE-MOBILE,

and

Tektronix,

Inc.

are

registered

trademarks

Printed

U.S.A.

Specification

and

price

change

privileges

are

reserved.

070-1823-00 First

Printing

Jan

1975

TABLE

CONTENTS

PAGE

OPERATING

INFORMATION

Introduction

Safety

Information

Power-Source

Requirements

Power

Source

Selection

Power

Source

Selection

FUNCTIONS

CONTROLS,

CONNECTORS,

AND

INDICATORS

Vertical

Display

Triggering

Horizontal,

Calibrator,

and

Power

MEASUREMENT

TECHNIQUES

Triggering

the

Sweep

Triggering

Internally

the

Input

Signal

Triggering

from

External

Source

314

Operators

TABLE

CONTENTS

(cont)

PAGE

Internal

and

External

Sweep

X-Y

Displays

Using

External

Sweep

Voltage

Selecting

Sweep

Rate

and

Use

the

Magnifier

Signal

Application

Vertical

Input

How

Measure

Voltage

Signals

Instantaneous

Voltage

Measurement

Voltage

Comparison

How

Measure

Time

Risetime

Delay

Time

How

Measure

Frequency

How

Measure

Phase

How

Ma e

Dual-Trace

Phase

Measurements

How

Ma e

High-Resolution

Phase

Measurements

How

Measure

Common-Mode

Rejection

314

Operators

TABLE

CONTENTS

(cont)

PAGE

How

Use

External

Blan ing

(Z-Axis

Intensity

Modulation)

How

Store

Display

Using

Enhanced

Mode

Integrated

Fast-Rise

Waveforms

Care

Storage

CRT

Some

Common

Operational

Errors

314

Operators

iii

Fig.

Sony-Tektronix

314

Storage

Oscilloscope.

314

Operators

OPERATING

INFORMATION

INTRODUCTION

NOTE

The

Sony-Tektronix

314

dual-channel,

MHz

portable

storage

oscilloscope.

The

MHz

vertical

bandwidth

provides

calibrated

deflection

factors

from

V/graticule

div

(25

V/div,

greater,

uncalibrated,

with

VOLTS/DIV

VARIABLE

fully

counterclockwise

position).

delay

line

the

verti



cal

system

permits

observation

that

part

the

signal

which

triggers

the

sweep.

The

horizontal

deflection

system

provides

calibrated

sweep

rates

from

s/div

µs/div;

and

10X

sweep

magnifier

increase

the

fastest

sweep

rate

0.1

µs/div.

Three

sweep

modes

are

available:

AUTO,

NORM,

and

SINGLE

SWEEP.

The

trigger

circuit

provides

stable

display

over

the

full

vertical

bandwidth.

External

horizontal

input

provides

deflection

factors

V/div

for

X-Y

operation.

The

ert

direct-view

bistable

storage

device

having

div

internal

graticule.

Each

graticule

div

e uals

0.25

inch.

enhance

mode

increases

single-sweep

writing

speed.

internal

kHz

calibrator

connected

internally

the

vertical

inputs

and

front-panel

connector.

The

314

operated

from

line

voltage

100,

115,

120,

200,

230,

240

ac,

440

Hz,

from

+12

+24

source.

The

314

automatically

reduces

the

display

intensity

level

when

sweep

speeds

and

slower

are

selected.

This

reduces

the

possibility

accidentally

burning

the

sensitive

storage

ert

phosphor

slower

sweep

speeds.

When

changing

from

sweep

speed

settings

faster

than

settings

and

slower,

readjust

the

I TE SITY

control

setting

necessary

for

visible

display.

SAFETY

INFORMATION

The

instrument

designed

operate

from

single-phase

power

source

having

one

the

current-carrying

conductors

(the

neutral

conductor)

ground

(earth)

potential.

Oper



ation

from

power

sources

where

both

current-carrying

conductors

are

live

with

respect

ground

(such

phase-

to-phase

three-wire

system)

not

recommended

since

only

the

line

conductor

has

overcurrent

(fuse)

protection

within

the

instrument.

The

instrument

has

three-wire

power

cord

with

three-

terminal

polarized

plug

for

connection

the

power

source

and

safety

earth.

The

ground

(earth)

terminal

the

plug

directly

connected

the

instrument

frame.

For

elec



tric

shock

protection,

insert

this

plug

into

only

mating

outlet

with

safety

earth

contact.

REV.

DEC.

1975

314

Operators

POWER-SOURCE

REQUIREMENTS

Power

Source

Selection

The

instrument

may

operated

100,

115,

120,

200,

230,

240

ac,

from

440

Hz,

from

+12

+24

source.

The

115

230

Line-Voltage

and

Regulating

Range

Selectors

are

located

the

rear

panel,

shown

Fig.

The

AC-DC

Selector

switch

located

the

right-side

panel,

shown

Fig.

This

instrument

may

damaged

operated

with

the

Line-Voltage

and

Regulating-Range

Selector

switches

set

for

the

wrong

applied

line

voltage.

convert

from

one

nominal

line-voltage

range

the

other,

move

the

Line-Voltage

and

Regulating-Range

Selector

1823-02

Fig.

Line

Voltage

and

Range

Selector

switches.

AC-DC

SELECTOR

EXTERNAL

SOURCE

1823-03

Fig.

AC-DC

Selector

and

Power-Source

input.

314

Operators

switches

(see

Fig.

indicate

the

correct

nominal

line

voltage.

sure

that

the

AC-DC

Selector

switch

(see

Fig.

the

115

V/230

position.

See

Table

for

regula



ting

ranges.

115

230

adapter

may

re uired

for

the

power-line

cord.

The

internal

line

voltage

fuse

value

must

changed

when

changing

the

nominal

line

voltage

setting.

TABLE

Regulating-Range

Selector

Position

Nominal

Regulating

Range

115

230

100

±10

200

±20

115

±11.5

230

±23

120

±12

240

±24

WARNING

Dangerous

potentials

exist

several

points

through



out

the

interior

this

instrument.

Refer

the

314

Service

manual

for

precautions

and

procedures

con



cerning

cabinet

removal,

fuse

replacement,

and

nomi



nal

line

voltage

selection.

Only

qualified

service

personnel

should

attempt

fuse

replacement

other

interna!

maintenance

procedures.

Power

Source

Selection

Move

the

AC-DC

Selector

switch

(see

Fig.

the

appro



priate

position

(11

—

V).

Connect

the

Input

connectors

and

—

)

the

power

source.

REV.

MAR.

1977

314

Operators

FUNCTIONS

CONTROLS,

CONNECTORS,

AND

INDICATORS

VERTICAL

VOLTS/DIV

(charcoal

gray

nob).

Selects

cali



brated

deflection

factors

from

mV/div

V/div

1-2-5

se uence.

GND(middle

position).

Grounds

vertical

ampli



fier

input.

DC(in

position).

Presents

all

components



put

signal

the

vertical

amplifier.

Accuracy:

Within

over

calibrated

range.

VOLTS/DIV

(silver

gray

nob).

Selects

cali



brated

deflection

factors

from

mV/div

V/div

-2-5

se uence.

Accuracy:

Within

over

calibrated

range.

(T)

and

VARIABLE

(CAL).

Provides

uncali



brated

variable

deflection

factors

between

calibrated

ranges.

Extends

uncalibrated

range

V/div.

(jT)

and

POSITION.

Vertically

positions

the

display.

and

Input

Coupling

Switch

and

Indicator.

AC(out

position).

Blocks

component



put

signal.

Low

fre uency

—

point

about

Hz.

INVERT.

Button

pushed

inverts

channel

input

signal

(inverts

display).

Fig.

Front

panel.

314

Operators

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