Kenwood DCS-8200 User manual

PROGRAMMABLEDIGITAL

STORAGEOSCILLOSCOPE

DCS-8200

INSTRUCTION

MANUAL

KENWOODCORPORATION

KENWOOD

©PRINTEDINJAPAN

B63-0059-10(N)

16312

SAFETY

Simbol

inThis

Manual

This

symbol

indicates

where

applicable

cautionaryorotherinformationistobefound.

Power

Source

This

equipment

operates

from

power

source

that

does

notapply

than250V rms

between

thesupply

conductorsor

between

either

supplyconductorand

ground.

protective

ground

connectionbywayofthe

groundingconductorinthe

power

cordis

essential

for

safe

operation.

Grounding

the

Product

This

equipment

grounded

throughthegroundingconductorofthe

power

cord.Toavoid

electrical

shock,

plugthe

power

cord

into

a properlywired

receptacle

beforeconnectingtothe

equipment

inputoroutput

terminals.

Usethe

Proper

Power

Cord

Useonlythe

power

cordandconnector

specified

for

your

product.

Usethe

Proper

Fuse

Toavoid

fire

hazard,usea fuseofthe

correct

type.

Donot

Operate

inExplosive

Atmospheres

Toavoidexplosion,donotoperate

this

productinan

explosive

atmosphere.

Donot

Remove

Cover

Panel

Toavoidpersonal

injury,

donot

remove

thecoverorpanel.Refer

servicing

qualified

personnel.

Voltage

Conversion

the

power

sourceisnotappliedto

your

product,contact

your

dealer.

Toavoid

electrical

shock,do

notperformthevoltageconversion.

There

are

items

this

manual

thatareindicatedbya A

mark.

This

mark

used

toindicate

items

with

which

caution

must

used

toprotectthesafetyofthe

customer

using

this

instrument,

andto

prevent

damage

ordestructionofthe

instrument.

Please

read

the

manual

carefully.

anduse

this

instrument

correctly.

CONTENTS

OUTLINE

AND

FEATURES

SPECIFICATIONS

• 2

PRECAUTIONS

• 7

PANEL

EXPLANATION

4-1FrontPanel

• ••• 9

4-2RearPanel

• • • 23

4-3Readouts

• • 25

OPERATING

PROCEDURES

Preparations

BeforeOperation••••

••• 29

[A]

Normal

Oscilloscope

Operation

• 29

Normal

sweep

display

• • • • • 29

Sweep

magnification

••31

X-Y

operation

• 32

4Video

signal

observation

• ••32

Single

sweep

• • • 32

[B]

Readout

Display

• • • • • 32

Readout

ofset

information

• 32

2Cursor

measurements

• • 33

[C]

Digital

Storage

Oscilloscope

Operation

• 34

NORMAL

sampling

• • • 34

2Pre-

and

post-trigger

• • 35

Equivalent

sampling

••• • 35

ROLL

sweep

Peak

detector

mode• 36

6Averaging

• • • 36

Interpolation

functions

•••• 37

8Reference

memory

operation

• 37

9Operation

functions

• • 38

10Others

• • « 38

[D]

Programmable

Oscilloscope

Operation

Programmable

WRITE

• 39

Program

Readout

• • 39

[E]

Pen

Recorder

and

Plotter

Output

Methods

• • 40

1Analog

pen

recorderoutput

• 40

Digital

plotter

output

• • 40

[F]

AUTOSET

(Automatic

Range

Setting)

Operation

AUTOSET

(Auto

Range

setting)

[G]

External

ControlOperation

with

GP-1B41

GP-IB

control

operation

EXAMPLES

OFAPPLICATION• 43

[A]

Examples

Applications

Common

Real-time

and

Storage

Oscilloscopes

•••••

Voltage

measurements« •

......

<.-45

voltage

measurementmethods• • ••.....45

Normal

Procedures

••• • •

••••

•••45

b)Cursor

measurement

procedures

voltage

measurements•••••45

Measuring

the

voltage

between2

points

onthewaveform• • 46

Elimination

undesired

signal

components• 45

3)Voltage

ratio

measurements47

Overshoot

•

••••

2Timemeasurements43

Timemeasurements••• • •••48

Normal

procedures

• 48

b)Cursor

measurement

procedures••••

•••

••••

Time

difference

measurements• •

• •

Normal

procedures

• • 48

b)Cursor

measurement

procedures

• • • 48

Pulse

width

measurements49

Normal

procedures

• •

••••

b)Cursor

measurement

procedures••••

• • • 49

Rise

time

measurements49

Normal

procedures

• • 49

b)Cursor

measurement

procedures••••

• • 50

Time

ratio

measurements• •••50

Duty

ratio

• 50

3Frequency

measurements• • •••••

••••

1)Frequency

measurements

••••

Normal

procedures

• • • • 51

b)Cursor

measurement

procedures

•••51

Phase

difference

measurements• 51

Normal

procedures

• • • 51

b)Cursor

measurement

procedures

Relative

measurements• • 52

1)Voltage••••

• • 52

2)Period

• • •

••••

Applications

ofX-Y

operation

• 53

Phase

• 53

2)Frequency

• •••54

[B]

Examples

Storage

Oscilloscope

Applications

• 55

Storage

waveformmeasurement

using

the

hold

mode

• 55

2Single-phenomenameasurements• 56

Waveform

observationbefore

the

trigger

point

• 56

Waveform

observation

after

the

trigger

point

• • • 57

Measurements

using

data

interpolation

• 53

Low

frequency

signalobservations

Long

time

observastions

(unattended

measurements)

2)Roll

mode

Peak

detectorapplications

• 59

Repetition

phenomena

measurements

••••

1)Extraction

signals

hidden

noise

• 60

Highspeed

phenomena

measurements

• 61

Waveform

data

relative

measurements

• • • 62

Useof

referencedata

6Data

output

• • • • ••• 63

1)Plotter

output

• 63

Pen

output

• 63

[C]

Programmable

OscilloscopeApplications

• • 64

Applications

fixed

formmeasurements

• 64

Program

functionapplicationswith

separateoscilloscope

- 64

7.GP-IBINTERFACE

7-1

OUTLINE

• • 67

7-2GP-IBSPECIFICATIONS

• • • • • 67

Bus

line

configuration

• 67

2)Interfacefunction

• • • 68

3)Multiline

interface

message

commands

4)Uniline

commands

• 71

7-3GP-IB

HARDWARE

SETTINGS

• • • 72

Connections

• • 72

DIP

switches

•

••••

• • 72

7-4BASIC

STRUCTURE

OFCOMMAND

FORMAT

• • • 73

Command

format

• 73

Commands

• • • 73

Command

functions

4)Processing

when

errors

occur

5)Processing

when

parameters

are

omitted

• 74

6)Processing

when

there

are

field

abbreviations

•••75

GP-IBremote

mode

• 75

8)Servicerequests

Expansion

statusbytes

• • • 75

10)Statusbytes

7-5

LIST

OFCOMMANDS• >>>77

Statusrequests

• • 79

Vertical

axis

• 79

3Horizontal

axis

• 82

4TRIGGER

• • 85

Cursor

• • • 87

6Programs

• 89

Storage

• 91

AUTO

SET• ' • 96

Data

transfer

request

10Data

transfer

• • • 98

7-6

PROGRAM

EXAMPLES

• • • ••99

(With

the

PC-98)

• 99

(With

the

IBM-PC)

••••••••• • 104

MAINTENANCEANDADJUSTMENT• 109

[A]

Maintenance

• 110

Fusereplacement

• • •*•HO

Power

supply

voltage

changes••••

•

••••

• HO

[B]

Adjustments(compensation)••••

• • 110

Probecompensation

• • • ••• • 110

Trace

rotation

compensation•••••

• 110

3Calendar

and

time

settings

• • ni

OPTIONS

• • • 112

OUTLINE

AND

FEATURES

Because

the

DCS-8200

hasa

largecapacity

memoryfor

each

channel,

even

atthe

very

low

sampling

time

500s

per

division,

continuous

measurements

ontwo

channelssimultaneo

usly

canbe

performed

for11

hours.

980-divisionpre-triggeringthat

utilizes

the

advantages

ofthe

largecapacity

memoryand

10,000-division

post-triggering(delaytriggering)

are

possible.Also,

the

values

are

converted

into

time

units

and

displayed.

Ithasan

Auto

Set

function

which

knob

onthe

panel

isset

automatically

bya

single

button

operation.

With

this

machine

alone,

program

with

asmanyas20

steps

canbe

executed,

and

full

remote

control

possiblewith

the

GP-IB.

Video

signals

can

also

storedwith

memoryto

spare,

and

with

the

largecapacity

memory,the

before

andafterrelations

ofthe

signals

canbe

analyzed

over

wide

range.

#The

waveforms

ofCHIandCH2canbe

displayed

asa

direct

waveform

bythe

4-arithmetic

operations

(

-,x and

-5-).Also,

saving

theCHIandCH2

waveforms

inthe

reference

memory,the

original

waveform

andthe

calculated

waveform

canbe

displayed

onthe

screen

atthe

same

time.

Itis

equipped

with

waveform

processing

functions

such

averaging,

envelope,

sineinterpolation,

linear

interpolation,

etc.

9After

the

single

sweep

hold,

there

isa

time

stamp

functionthat

can

record

the

sweep

time.

9Besides,

course,

data

transmission,

the

GP-IB

interface

and

RS-232C

plotterinterface,that

canbe

operated

from

the

panel,

are

standard

equipment.

9X-axis/Y-axis

output

that

canbe

used

with

your

pen

recorder

provided.

For

very

small

portionsthat

are

difficult

observe

with

the

digital

oscilloscope,

this

instrument

can

used

asa

real-time

ora

programmable

oscilloscope.

Because

ofthe

newly

developed

original

gate

array

used

inthe

readout

section

and

logicsection

the

A/D

converter

unit,

the

reliability

increased,

and

miniaturization

achieved.

SPECIFICATIONS

[ReaI-Time

section]

CRT

Type

: 150mm

rectangulerwith

internal

graticule

Acceleration

voltage

: 12kV

Effective

Surface

: 8x10div(1div= 10mm)

Vertical

Axis

(CMandCH2)

Sensitivity

: 1 to5

mV/div

±3%

Attenuator

: 1 to5

mV/div

1-2-5

step,

ranges

Input

impedance

: 1 MQ+

22pF

± 3pF

Freq.

responce

: DC:DCto50MHz-3dB(5mVto

5V/div)

DCto5 MHz-3dB(1to

2mV/div)

AC:5 Hzto50MHz-3dB(5mVto

5V/div)

Hzto5 MHz-3dB(1to

2mV/div)

Rise

time

: 7 nsor

less

(50MHz)

Operation

modes: CHI.CH2,ALT,

CHOP,

ADD

(CH1+CH2)

CHOP

frequency

Approx.

250kHz

Channel

polarity

Possibleonlywith

CH2

AMax.

inputvoltage

800Vp-p,

400V

(DC+AC

peak)

Horizontal

axis

(CH2

input,

except

forX10

magnification)

Operation

modes:

Switchable

toX-Y

mode

withhorizontal

mode,

CHI:Y-axis

CH2:

X-axis

Sensitivity

: Sameas

vertical

axis

(CH2)

Input

impedance

: Sameas

vertical

axis

(CH2)

Freq.

responce

: DC:DCto1 MHz

(-3dB)

AC:ACto1MHz

(-3dB)

X-Y

phase

difference

3°

less

at100kHz

AMax.

inputvoltage

: Sameas

vertical

axis

(CH2)

Sweep

system

NORM,

AUTO,

SINGLE

Sweep

time

0.5s/div

0.l^s/div

±3%,1-2-5

step,

ranges

Sweep

magnification

: 10

times

±5%

(real-time

only)

Linearity

: ±3X

(xlOMAG

: ±5X)

Triggering

Internal

trigger

: CHI,CH2,

LINE

External

trigger

: EXT

External

trigger

input

impedance

: 1 MQ

AMax.

external

trigger

inputvoltage

800Vp-p,

400V

(DC+AC

peak)

Triggercoupling

: AC,

HFHEJ.,

DC,TV-FRAME,

TV-LINE

Trigger

sensitivity

Frequency

Range

Internal External

DC DC

to10

MHz

50MHz

div

0.1

Vp-p

Hzto

MHz

50MHz

div

0.1

Vp-p

2 Vp-p

HFrej

Increased

minimum

syncamplitude

for

above

10kHz.

FRAME,

LINE

div

0.1

Vp-p

Calibration

voltage

Square

wave,

positivepolarity,

1 Vp-p

±2

1 kHz

±3

AUTO

Same

above

specification

for

above

50Hz.

FIX

Same

above

specification

for

above

40Hz.

[Storage

section]

Vertical

resolution

Data

length

8-bit

(25

dot/div)

Dynamic

range

Approx.

div

Freq.

responce

Effective

storagefrequency

: DC:DCto8

MHz,

(sin

interpolation)

AC:

5 Hzto8

MHz,

(sin

interpolation)

Equivalent

sampling

: DC:DCto50MHz

AC:

5Hz

50MHz

Rise

time

Effective

rise

time

: 80nsor

less

Memory

capacity

NORM

Display

memory

(including

REF

memory)

2KWX 2/CH

(200

dot/div)

Acquisition

memory

16KW/CH

REF

memory

16KW/CH

Equivalent

sampling

Display

memory

(including

REF

memory)

2KWx 2/CH

(200

dot/div)

Acquisition

memory

2KW/CH

REF

memory

2KW/CH

Roll

Display

memory

(including

REF

memory)

2KWx 2/CH

(200

dot/div)

Acquisition

memory

16KW/CH

REF

memory

16KW/CH

Averaging

Display

memory

(including

REF

memory)

2KW/CH

(200

dot/div)

Acquisition

memory

5KW/CH

X-Y

Display

memory

(including

REF

memory)

2KW/CH

(200

dot/div)

Acquisition

memory

2KW/CH

REF

memory

2KW/CH

REF

memory

data

backup

(32KW)

System

Capacitance

system

Life

: 7

days

Sweep

time

Equivalent

sampling

: 20

ns/div

5/^s/div

NORM

0.1

^s/div

100

ms/div

(0.1

jus/div

5,"s/div

magnificationrange).

Roll

0.2s/div

500s/div

Max.

sampling

speed

MS/s,

2-channel

sync.

Storage

system

NORM

Data

updated

for

every

trigger

input

SINGLE

Single

sweep

write

AVERAGE

: 2 to

256

times,

average

adding

(2,

4,8...

256)

PEAK

DETECTOR: 100ns

glitch

detection

Effective

sweep

range

(500s/div

lms/div)

ROLL

Data

recorded

screencontinuously

and

updated.

Equivalent

sampling

Sequential

sampling

system

Magnification

and

reduction

Magnification

and

reduction

are

performed

centered

ontheCRT

with

SWEEP

TIME/DIV

control

(when

the

starting

point

issetatthe

left

edge

ofthe

screen.).

Magnification

: Max.100x

Reduction

: Max.xl/10

Interpolation

Systems

Linear

interpolation,

sin

interpolation

Trigger

delay

Pre-trigger

: Upto-80

times

ofSWEEP

TIME/DIV

setting

(integer

times

setting)

Post-trigger

: Upto

+10,000

times

ofSWEEP

TIME/DIV

setting

(integer

times

setting)

X-Y

NORM

: DCto800kHz

Equivalent

Sampling

: DCto50MHz

PENOUT

Output

: CRT

display

and

hardcopy

(25KW)

axis

Output

voltage,

0.5V/div

Outputimpedance,approx.

2kQ

Readoutspeed,

lOms/word

and

50ms/word

axis

Output

voltage,

0.5v/div

Outputimpedance,approx.

2kQ

Readoutspeed,

lOms/word

and

50ms/word

PEN

DOWN

Output

level

: TTL

level

("L"

duringoperation)

Waveform

operation

CHI

+ CH2,CHI- CH2,CHIX CH2,CHIH-CH2

Plotter

output

Output

RS-232C,

HP-GL

command

(made

byMuto

Industries,

forHP-GL

plotter),

forCRT

hardcopy,

data

transmission

only.

Baud

rate

9600,4800,2400

and1200bps.

Transfer

system

Data

length

8-bit,

parity,

stop

bit

2-bit

fixed,

hardware-hand

shake.

Signals

: FG

(FrameGround)

(SendData)

plotter

(Receive

data)

plotter

(Request

send)

-«•

plotter

(Clear

Send)

—

plotter

(Data

Set

Ready)Request

sendfrom

plotter

(Data

Terminal

Ready)

Permission

sendfrom

plotter

-»

plotter

(Signal

Ground)

Connections

(DCS-8200

side)

(Plotter

side)

Shild

Blue

Red

Gray

Brown

Yellow

Black

20 Green

Shild

Red 2

Blue

Yellow

4 RS

Green

Gray

Black

Brown

20 ER

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