Matrix 620B, 5620NF, 620R, 640B, 620BF User Manual

Oscilloscope

USERMANUAL

DualTraceOscilloscope

MembersOfTheFamily

CONTENTS

1.GENERAL1

1.1Description1

1.2Features1

2.TECHNICALSPECIFICATIONS2

3.PRECAUTIONSBEFOREOPERATINGTHEOSCILLOSCOPE6

3.lUnpackingtheOscilloscope6
32CheckingtheLinevoltage6

3.3Environment7

3.4EquipmentInstallationandOperation7

3.5CRTIntensity7

3.6WithstandingVoltagesofInputTerminals7

4.OPERATIONMETHOD11

4.1IntroductionofFrontPane111

4.215

4.3BasicOperation-SinglechannelOperation16

4.4Dual-ChannelOperation17

4.5ADDOperation18

4.6Triggering18

4.7TIME/divcontrol21

4.8SweepMagnification21

4.9X-YOperation22

4.10CalibrationofProbe23

5.CURSORREADOUTOPERATION24

5.1ReadOutPanel24

5.2Cursormeasurement25

6.MAINTENANCE30

6.1Fusereplacement30

6.2Cleaning30

7.BLOCKDIAGRAM31

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┈┈┈┈IntroductionofRearPane1

PAGE

ⅱ

SAFETYTERMSANDSYMBOLS

Thesetermsmayappearinthismanualorontheproduct:

WARNING.

!

couldresultininjuryorlossoflife.

!

Thefollowingsymbolsmayappearinthismanualorontheproduct:

Warningstatementsidentifyconditionorpracticesthat

.tCAUTION

Cautionstatementsidenifyconditionsorpracticesthat

couldresultindamagetothisproductorotherproperty.

!

DANGERATTENTIONProtectiveEarth(ground)

HighVoltagerefertoManualConductorTerminal

Terminal

ⅲ

1.GENERAL

1.1Description

The620Rfamilyoscilloscopearedual-channeloscilloscopewithmaximumsensitivityoflmV/div.Thetimebaseprovidesa
maximumsweeptimeof0.2uS/div.Whenmagnifiedby10,thesweepspeedis20ns/div.Theverticaldeflectionsystemhas
twoinputchannels.Eachchannelhas12basicdeflectionfactorsfrom5mVt020Vperdivision,itcanexpandedto1mV/div
bypulloutx5MAGbutton.Eachoftheseoscilloscopeemploysa6-inchrectangulartypecathode-raytubewithinternal
graticule.620R/640Rhascursorreadoutfunctionwhichcandisplayvoltage,time,frequencyetc.informationonscreen.
Theseoscilloscopesaresturdy,easytooperateandexhibitshighoperationalreliability.

1.2Features

L)HighintensityCRTwithhighaccelerationvoltage:

TheCRTisahighbeamtransmission,highintensitypewithahighaccelerationvoltageof2KVforand
12KVfor.Itdisplaysclearreadabletracesevenathighsweepspeeds.

640B/650B/640BF/650BF/640R/650R

2)Atriggerlevellockfunctionwhichmakesthetriggeringadjustmentunnecessary.

3)Alternatetriggering:
Evenanobservationoftwowaveformsofdifferentfrequencies,thewaveformoftheeachchannelisstablytriggered.

4)TVsynctriggering:
TheoscilloscopehasasyncseparatorcircuitfortriggeringofTV-VandTV-Hsignals.

5)CHlOutput:
Terminated50ohmoutputofchannel1signalavailableonrearpanelfordrivingfrequencycounterorotherinstruments.

6)Z-AxisInput:

Intensitymodulationcapabilitypermitstimeorfrequencymarkerstobeadded.Traceblankwithpositivesignal,TTL

compatible.

7)X-Yoperation:
SettheswitchtoX-Y.ThentheinstrumentworksasanX-Yoscilloscope.CHlcanbeappliedashorizontaldeflection(X-axis)
whileCH2provideverticaldeflection(Y-axis).

ty BF5620NF/620R

620B/620

1

2.TECHNICALSPECIFICATIONS

MODEL

SPECIFICATIONS

Sensitivity

Sensitivityaccuracy

VernierVerticalsensitivity

Frequencybandwidth

Risetime

Inputimpedance

Linearity

Werticalmodes

Choppingrepetitionfrequency

Inputcoupling

Maximuminputvoltage

Commonmoderejectionratio

Isolationbetweenchannels

(At5mV/DIVrange)

CH1signaloutput

CH2INVBAL.

20MHzOSCILLOSCOPE40MHz/50MHzOSCILLOSCOPE

620B/5620NF/620BF/620R640B/650B/640BF/650BF/640R/650R

5mV~20V/DIV,12stepsin1-2-5sequence(5620NF:5mV-5V/DIV,10stepsin1-2-5sequence)

≤≤3%(x5MAG:5%)(5620NF:Devoid)±±

Continuouslyvariabletol/2.5orlessthanpanel-indicatedvalue.
DC~20MHz(x5MAG:DC~7MHz)DC~4OMHz(x5MAG:DC~15MHz)
ACcoupling:Lowlimitfrequency10Hz.(Withreferenceto100KHz,8DIV.Frequencyresponsewith-3dB)
Approx.17.5nS(x5MAG:Approx.50nS)Approx.8.75nS/8.0nS(x5MAG:Approx.50nS)
Approx.lMohm//Approx.25pF

≤± o0.lDIVofamplitudechangewhenwavefrmof2DIVatgraticulecenterismovedvertically.

CHI:CHlsinglechannel.
CH2:CH2singlechannel.

DUAL:CHIandCH2aredisplayed.ALTorCHOPselectableatanysweeprate.
ADD:CH1+CH2algebraicaddition.
Approx.250KHz
AC,GND,DC
400V(DC+ACpeak),AC:frequencylkHzorlower.
Whensetprobeswitchatl:1,themaximumeffectivereadoutis160Vpp(56Vrmsatsinewave),
orsetprobeswitchat10:1,themaximumeffectivereadoutis400Vpp(140Vrmsatsinewave).

50:1orbetterat50KHzsinusoidalwave.(WhensensitivitiesofandCH2aresetequally)CH1

>1000:lat50KHz
>30:lat15MHz>30:1at35MHZ/45MHz
Atleast20mV/DIVintoa50ohmtermination.Bandwidthis50Hztoatleast5MHz.
Balancedpointvariation:1DIV(Referenceatcentergraticule.)≤

（

10°°

C-35C

Tableone

）

2

SPECIFICATIONS

Triggeringsource

Triggeringmodes

EXTtriggeringsignalinput

Inputimpedance

Max.inputvoltage

Sweeptimeaccuracy

Verniersweeptimecontrol

Sweepmagnification

x10MAGsweeptimeaccuracy

Positionshiftcausedbyxl0MAG

X-Y

MODE

Frequencybandwidth

X-Yphasedifference

MODEL

Coupling

Slope

Sensitivity.

Sweeptime

Linearity

Sensitivity

(Tableonecontinue)

20MHzOSCILLOSCOPE40MHz/50MHzOSCILLOSCOPE

620B/5620NF/620BF/620R640B/650B/640BF/650BF/640R/650R

CH1,CH2,LINE,EXT(CHlandCH2canbeselectedonlywhentheverticalmodeisDUALorADD.

InALTmode,iftheTRIG.ALTswitchispushedin,itcanbeuseforalternatetiggeringoftwodifferentsource.

AC:20Hztofullbandwidth

+/­20Hz~2MHz:1.0DIV;TRIG-ALT:2DIV;EXT:200mV
2~20MHz:1.5DIV

2~20MHz:1.5DIV20-40MHz2.5DIV40~50MHz:3DIV

TRIG-ALT:3DIV,EXT:800mV
TV:Syncpulsemorethanldiv(EXT:lV)

AUTO:Sweepsruninthefreemodewhennotriggeringinputsignalisapplied.

(Applicableforrepetitivesignalsoffrequency25Hzorover.)
NORM:Whennotriggeringsignalisapplied,thetraceisinthereadystateandnotdisplayed.
TV-V:Thissettingisusedwhenobservingtheentireverticalpictureoftelevisionsignal.
TV-H:Thissettingisusedwhenobservingtheentirehorizontalpictureoftelevisionsignal.

(BothTV-VandTV-Hsynchronizeonlywhenthesynchronizingsignalisnegative)

Approx.:lMohm//approx.25pF
400V(DC+ACpeak),AC:FrequencynothigherthanlKHz

0.2uSec~0.5Sec/DIV,20stepsin1-2-5sequence

（10

+/-3%

1/2.5ofpanel-indicatedvalue

≤

°°

）

C-35C

10times
+/-5%(20nSec~50nSecareuncalibrated)
+/-5%,xl0MAG:+/-10%(0.2sand1s)



Within2DIV.atCRTscreencenter
Sameasverticalaxis.(X-axis:CHlinputsignal;Y-axis:CH2inputsignal.)
DCtoatleast500KHz

3atDC~50KHz

≤°

3

SPECIFICATIONS

ZAXIS

CALIBEATION

VOLTAGE

CRT

MODEL

Sensitivity

Frequencybandwidth

Inputresistance

Maximuminputvoltage

Waveform

Frequency
Dutyratio

Outputvoltage

Outputimpedance
Type

Phosphor
Accelerationvoltage
Effectivescreensize

Graticule

Tracerotation

20MHzOSCILLOSCOPE

620B/5620NF/620BF/620R

5Vp-p(Positive-goingsignaldecreasesintensity)

Approx.47Kohm

30V(DC+ACpeak,ACfrequency1kHz)≤

Positive-goingsquarewave

6-inchrectangulartype,internalgraticule

Approx.2kVApprox.12kV

8x10div(1div=10mm(0.39in))

Tableonecontinue

40MHz/50MHzOSCILLOSCOPE

640B/65/640BF/0B650BF/640R/650R

DC~2MHz

Approx.1kHz

Within48:52

2Vp-p  2%

Approx,1Kohm

P31

Internal
Provided

4

Cursormeasurementsystem

Cursormeasurement

Function

CURSOR

READOUT
FUNCTION

Cursorresolution
Effectivecursor

Range
Panelsetting

620R/640R/650R

V.1/T.T

P(t,V)
1/25DIV
Vertical:3div±

Horizontal:4div±
Vertical:V/DIV,AC/DC/GND,CH1,CH2,

INV,ALT,CHOP,ADD
Horizontal:TIME/DIV,x10MAG
Trigger:Source,Slope,AUTO,NORM,TV-V/TV-H

Others:probe(x1/x10),X-Y

LinePowerRequirements

Voltage:AC220V/240V10%

(manufactoryset)

Frequency:50Hzor60Hz
Powerconsumption:
Approx..40VA,35W(max.)

±

MechanicalSpecifications

Dimensions:310Wx150Hx455D(mm)

Weight:Approx..8kg(l7.6lbs.)

5

OperatingEnvironment

Indooruse
Altitudeupto2000m
Ambienttemperature:
Tosatisfyspecifications:l0to35C(50to95F)
Maximumoperatingranges:0to40C(32to104F)
Relativehumidity:75%RH(max.)nonCondensing
InstallationCategoryII
Pollutiondegree2

StorageTemperature&Humidity

-10to70C,70%RH(maximum)

Accessories

Powercordl
Usermanual1
Probes2

3.PRECAUTIONSBEFOREOPERATINGTHEOSCILLOSCOPE

3.1UnpackingtheOscilloscope

Theoscilloscopeisshippedfromthefactoryatterbeingful1yinspectedandtested.Uponreceivingtheinstrument,
immediatelyunpackandinspectitforanydamagesthatmighthavebeensustainedduringtransportation.Ifanysignof
damageisfound,immediatelynotifythebearerand/orthedealer.

┈┈┈

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3.2CheckingtheLinevoltage

TheseoscilloscopeswilloperateonAC220Vor240Vsettedbymanufatory.BeforeconnectingthepowerplugtoanACline
outlet,makesurethevoltageiscorrectcorrespondingtothelinevoltage.Note:thescilloscopemaybedamagedifitis
connectedtothewrongAClinevoltage.

WARNING.Toavoidelectricalshockthepowercordprotective

!

Replacetherequiredfusesshownbelow.

WARNING.Toavoidpersonalinjudisconnectthepowercord

!

groundingconductormustbeconnectedtoground.

LinevoltageFuse

AC220V250V

AC240V250V

beforeremovingthefuseholder

Range

T0.5A

192~242

T0.5A

216~266

ry,

6

3.3Environment

Thenormalambienttemperaturerangeofthisinstrumentis0to40C(32to104F).Operationoftheinstrumentabovethis
temperaturerangemaycausedamagetothecircuits.
Donotusetheinstrumentinaplacewherestrongmagneticorelectricfieldexists,suchfieldsmaydisturbthemeasurement.

3.4EquipmentInstallation,andOperation

Ensurethereisproperventilationfortheholeventsintheoscilloscopecase.
Ifthisequipmentisusedinamannernotspecifiedbythemanufacturer,theprotectionprovidedbytheequipmentmaybe
impaired.

3.5CRTIntensity

TopreventpermanentdamagetotheCRTphosphor,donotmaketheCRTtraceexcessivelybrightorleavethespot
stationaryforanunreasonablylongtime.

3.6WithstandingvoltagesofInputTerminals

Thewithstandingvoltagesoftheinstrumentinputterminalsandprobeinputterminalsareasshowninthefollowingtable.
Donotapplyvoltageshigherthantheselimits.Whensetprobeswitchatl:1,themaximumeffectivereadoutis160Vpp
(56Vrmsatsinewave).Whensetprobeswitchat10:1,themaximumeffectivereadoutis400Vpp(140Vrmsatsinewave).

InputterminalMaximuminputvoltage
CH1,CH2,inputs400VDC+ACpeak
EXTTRLGINinput400VDC+ACpeak
Probeinputs600VDC+ACpeak

（）
（）

（）

ZAXISinput30Vpeak

CAUTION.

donotexceedmaximuminputvoltages.

!

Maximuminputvoltagesmusthave
frequencieslessthan1KHz.

Toavoidinstrumentdamage,

IfanACvoltagewhichissuperimposedonaDCvoltageisapplied,themaximumpeakvalueofCHlandCH2inputvoltages
mustnotexceed+or-300V.SoforACvoltageswithameanvalueofzerovoltthemaximumpeaktopeakvalueis600V.

7

Figure4-1

620R/640R/650RFrontPanel

CAL

2Vp-p

1KHz

INTEN

OSCILLOSCOPE

TRACE

FOCUS

ROTATION

25

26

20

10

uS

5

2

1

.5

.2

UNCAL

VAR

CAL

27

TRIG.ALT

LEVEL

-+

LOCK

x10

POSITION

PULLx5MAG

CH2INV

GND

AC

DC

AUTO

NORM

TV-V
TV-H

SLOPE

20V

35

34

POSITION

VOLTS/DIV

CH1

1M//25pFΩ

X10MAG

X

300V ⅡCAT

MAX.400Vpk

33

!

36

PUSHTRACK

20V

READOUT

INTEN

POWER

32 28

31

READOUT

FUCTIONMENU

HORIZONTAL

TIME/DIV

mS

10
20

50

CAL

VIEWTIME

VAR

POSITION

CAL

PULLx5MAG

ALT

5mV

CHOP

AC
GND
DC

2

5

.1

.2

S

DUAL

30

1

.5

X-Y

VERTICAL

MODE

CH1
CH2

ADD

29

.1.2.5

50

23

24

TRIGGER

MODESOURCE

CH1
CH2

LINE

EXT

TRIGIN

1M//25pFΩ

+

-

VOLTS/DIV

CH2

1M//25pFΩ

!

300V ⅡCAT

MAX.400Vpk

Y

5mV

!

300V

CAT Ⅱ

MAX.

400Vpk

22

12 13

11

1

2

4

3

5

6 7

9

8

10

14 15 16

17

19

18

2021

8