Kenwood CS-1022 User manual

CS-1022.CS-1021,CS-1012
(DUALTRACEOSCILLOSCOPE)
CS-1020,CS-101•
(SINGLETRACEOSCILLOSCOPE)
INSTRUCTIONMANUAL

SAFETY
SymbolinThisManual
Thissymbolindicateswhereapplicablecautionaryor
otherinformationistobefound.
PowerSource
Thisequipmentoperatesfroma powersourcethatdoes
notapplymorethan250V rmsbetweenthesupply con-
ductorsorbetweeneithersupplyconductorandground.A
protectivegroundconnectionbywayofthegrounding con-
ductorinthepowercordisessentialforsafeoperation.
GroundingtheProduct
Thisequipmentisgroundedthroughthegroundingconduc-
torofthepower cord. Toavoidelectricalshock,plugthe
powercordintoa properlywiredreceptaclebeforeconnec-
tingtotheequipmentinputoroutputterminals.
UsetheProperPowerCord
Useonlythepowercordandconnectorspecifiedforyour
product.
UsetheProperFuse
Toavoidfirehazard,usea fuseofthecorrecttype.
DonotOperateinExplosiveAtmospheres
Toavoidexplosion,donotoperatethisproductinanex-
plosiveatmosphere.
DonotRemoveCoverorPanel
Toavoidpersonalinjury,donotremovethecoverorpanel.
Referservicingtoqualifiedpersonnel.
VoltageConversion
Ifthepowersourceisnotappliedtoyourproduct,contact
yourdealer.Toavoidelectricalshock,donotperformthe
voltageconversion.
CONTENTS
SAFETY2
FEATURES3
SPECIFICATIONS4
PREPARATIONFORUSE6
CONTROLSANDINDICATORS8
FRONTPANEL8
REARPANEL14
OPERATION14
INITIALSTARTINGPROCEDURE15
(1)NORMALSWEEPDISPLAYOPERATION15
(2)MAGNIFIEDSWEEPOPERATION18
(3)X-YOPERATION18
(4)VIDEOSIGNALOBSERVATION18
APPLICATION19
PROBECOMPENSATION19
TRACEROTATIONCOMPENSATION19
DCVOLTAGEMEASUREMENTS19
MEASUREMENTSOFTHEVOLTAGE
BETWEENTWOPOINTSONA WAVEFORM20
ELIMINATIONOFUNDESIREDSIGNAL
COMPONENTS20
TIMEMEASUREMENTS21
FREQUENCYMEASUREMENTS21
PULSEWIDTHMEASUREMENTS22
PULSERISETIMEANDFALLTIME
MEASUREMENTS22
TIMEDIFFERENCEMEASUREMENTS23
PHASEDIFFERENCEMEASUREMENTS24
RELATIVEMEASUREMENTS24
APPLICATIONOFX-YOPERATION27
ACCESSORIES29
Note:Thisinstructionmanualisdescribedforfivemodels.
Refertoitemappliedtoyourproduct.
2

FEATURES
•Verticalaxishashighsensitivityandwidebandwidth
andespeciallycoversfullyspecifiedfrequencyresponse
at2mV/divforallmodels.
CS-1022,1021;
DualTrace
1mV/div: DCto10MHz,-3dB
2mV/div: DCto20MHz,-3dB
CS-1012; DualTrace
1mV/div: DCto7 MHz,-3dB
2mV/div: DCto10MHz,-3dB
CS-1020; SingleTrace
1mV/div: DCto10MHz,-3dB
2mV/div: DCto20MHz,-3dB
CS-1010; SingleTrace
1mV/div: DCto7 MHz,-3dB
2mV/div: DCto10MHz,-3dB
•Verticalsensitivityrangeisselectablefrom 1 mV/divto
5V/divwithrotaryswitchcontinuously.
•Timebasepermitsthehighsweepspeed.
CS-1022,1020;20nsec/div(x10MAG)
CS-1021, 1012,1010;50nsec/div(x10MAG)
•Verticalsensitivityerrorandsweeprateerrorare±3%
andaccuratemeasurementsareprovided.
•The150mmrectangularCRTwithinternalgraticule
provideshighbrightnessandaccuratemeasurements,
freeofparallaxerror.
CS-1022,1020;domedmeshtypeCRTwithpost-
deflectionaccelerationandhighbrightness
phosphors(accelerationvoltage;6 kV).
CS-1021, 1012,1010;highbrightnessCRT(acce-
lerationvoltage;2 kV).
•Forconvenienceinmakingrisetimemeasurements,the
0%,10%,90%and100%levelsaremarkedonthe
graticulescaleoftheCRT.
•Tracerotationiselectricallyadjustablefromthefront
panel.
•BySCALEILLUMcontrol,thewaveformiseasyobserv-
edinthedarkandthephotographofthewaveformis
easyprovided.(ExceptCS-1021)
•SelectableAUTOFREERUNfunctionprovidessweep
withouttriggerinputsignal.
•TheFRAME-LINEswitchprovidesselectionofsync
pulseforsweeptriggeringfromsmallamplitudetolarge
amplitudewithoutadjustingwhenviewingcomposite
videowaveforms.
•ForCS-1022,1021and1012,verticalmode
automaticallyprovidesthetriggersignalwithTRIG
SOURCEandV.MODEswitches.
•X-Yoperationiseasyprovidedbyone-touche.
CS-1022,1021,1012;CH1Y axis,
CH2X axis
CS-1020,1010;VERTINPUTY axis
EXTTRIGINPUTX axis
•CS-1022and1012areprovidedwithCH1OUTPUT
terminaltomonitorinputsignalofCH1.
•CS-1020and1010areprovidedwithVERTOUTPUT
terminaltomonitorinputsignalofVERTINPUT.
3

SPECIFICATIONS
CS-1022 CS-1021 CS-1012 CS-1020 CS-1010
CRT 150FTM31 150GTM31A
or150UTM31 150GTM31A 150FTM31 150GTM31A
AccelerationVoltage 6kV 2kV 2kV 6kV 2kV
DisplayArea 8x10div(1div=10mm)
Type Rectangular,withinternalgraticule
VERTICALAXIS CH1andCH2 -
Sensitivity 1mV/divto5 V/div,±3%
Attenuator 12steps,1 mV/divto5 V/divin1-2-5sequence.
Verniercontrolforfullyadjustablesensitivitybetweensteps.
InputImpedance 1MO±2%,approx.35pF 1MQ±2%,approx.32pF 1Mfi±2%,approx.35pF
FrequencyResponse
2mV/divto5 V/div
1mV/div
DC; DCto20MHz,
-3dB
AC; 5 Hzto20MHz,
-3dB
DC; DCto10MHz,
-3dB
AC; 5 Hzto10MHz,
-3dB
DC; DC to10MHz,
-3dB
AC; 5 Hzto10MHz,
-3dB
DC; DCto7 MHz,
-3dB
AC; 5 Hz to7 MHz,
-3dB
DC; DC to20MHz,
-3dB
AC; 5 Hzto20MHz,
-3dB
DC; DC to10MHz,
-3dB
AC; 5 Hzto10MHz,
-3dB
DC; DCto10MHz,
-3dB
AC; 5 Hzto10MHz,
-3dB
DC; DC to7 MHz,
-3dB
AC; 5 Hzto7 MHz,
-3dB
RiseTime 17.5nsecorless
(20MHz)
35nsecorless
(10MHz)
35nsecorless
(10MHz)
50nsecorless
(7MHz)
17.5nsecorless
(20MHz)
35nsecorless
(10MHz)
35nsecorless
(10MHz)
50nsecorless
(7MHz)
Crosstalk
— 40dBminimum -
OperatingModes
CH1; singletrace
CH2; singletrace
ADD; CH1+CH2addeddisplay
ALT;twowaveformsalternating
CHOP; twowaveformschopped
-
ChopFrequency Approx.250kHz -
ChannelPolarity Normalorinverted,CH2onlyinverted -
/^MaximumInputvoltage 500Vp-por250V (DC+ ACpeak)
Non-Distorted
MaximumAmplitude Morethan8 div,
DCto20MHz Morethan5 div,
DCto20MHz Morethan6 div, DCto10MHz Morethan8 div,
DCto20MHz Morethan6 div,
DCto10MHz
HORIZONTALAXIS (inputthruCH2,x 10MAGnotincluded) (x10MAGnotincluded)
OperatingMode WithTRIGMODEswitch,X-Y
operationisselectable.
CH1; Y axis
CH2; X axis
WithTRIGMODEswitch,X-Y
operationisselectable.
VERT.INPUT;Y axis
EXTTRIGINPUT;X axis
Sensitivity Sameasverticalaxis(CH2) 100mV/div
InputImpedance Sameasverticalaxis(CH2) 1MQ±2%,
approx.32pF 1Mfi±2%,
approx.35pF
FrequencyResponse DC; DCto 1 MHz,
-3dB
AC; 5 Hzto 1 MHz,
-3dB
DC; DCto500kHz,
-3dB
AC; 5 Hzto500kHz,
-3dB
DC; DCto 1 MHz,
-3dB
DC; DCto500kHz,
-3dB
X-YPhaseDifference 3°orlessat
100kHz
3°orlessat50 kHz
3°orlessat 100kHz 3°orlessat50 kHz
/^MaximumInputVoltage Sameasverticalaxis(CH2) 50V (DC+ ACpeak)
SWEEP
TypeNORM Triggeringsweep
AUTO Sweepfreerunsinabsenceoftrigger
4

CS-1022 CS-1021 0S"1012 CS-1020 CS-1010
SweepTime
0.2 /is/divto0.5s/div,
±3%in20 ranges, in
1-2-5 sequence.
Verniercontrol provides
fullyadjustable sweep
time between steps.
0.5 /is/divto0.5s/div,
±3%in19 ranges, in
1-2-5 sequence.
Vernier control provides
fullyadjustable sweep
timebetween steps.
0.2 /is/divto0.5s/div,
±3%in20 ranges, in
1-2-5 sequence.
Verniercontrol provides
fullyadjustable sweep
timebetween steps.
0.5 /ts/divto0.5s/div,
±3%in19 ranges, in
1-2-5sequence.
Vernier controlprovides
fullyadjustable sweep
timebetween steps.
SweepMagnification x10(tentimes)±5%
Linearity
±3% allranges,
±5% on0.2/ts/divrangeatx 10magnification.
TRIGGERING
InternalSync V.MODE;Triggeredbyinputsignalselected
byverticalMODEsetting.
CH1; TriggeredbyCH1signal
CH2; TriggeredbyCH2signal
LINE; Triggeredbylinevoltage
INT; Triggeredbyverticalinputsignal
LINE; Triggeredbylinevoltage
ExternalSync
EXT; TriggeredbysignalappliedtoEXT
TRIGINPUTjack
ExternalsyncInput
Impedance
1 MS],±2%
approx.32pF
1 Mfi,±2%
approx.35pF
1 Mfi,±2%
approx.30pF 1Mfi,±2%
approx.30pF
/^MaximumExternal
TriggerVoltage 50V (DC+ AC peak)
Coupling
AC, VIDEOFRAME,VIDEOLINE
TiggerSensitivityTiggerSensitivity
FREQ, RANGEINTEXT
FREQ, RANGEINTEXT
FREQ, RANGEINTEXT
FREQ, RANGEINTEXT
FREQ, RANGEINTEXT
TiggerSensitivity
AUTO 20Hz
to20MHz1div0.1Vp-p
20Hz to20MHzIdiv0.2Vp-p
20Hz to10MHz 1 div 0.1 Vp-p 20Hzto20MHz
1divO.IVp-p
20Hz to10MHzIdiv 0.1 Vp-p
TiggerSensitivity
NORM 10Hz
to20MHzIdiv0.1Vp-p
10Hzto20MHz Idiv0.2Vp-p
10Hzto10MHz 1 div 0.1 Vp-p 10Hzto20MHz
Idiv 0.1 Vp-p 10Hzto10MHz1
div 0.1 Vp-p
TiggerSensitivity
VIDEO
FRAME, LINEIdiv0.1Vp-p
FRAME, LINE1div0.2Vp-p
FRAME, LINE1div 0.1 Vp-p
FRAME, LINE 1 div 0.1 VPD
FRAME, LINE 1 div 0.1 Vp-p
PROBEADJ.VOLTAGE 0.5V,±6%,squarewave,positivepolarity,approx.1 kHz
INTENSITYMODULATION
Sensitivity TTLcompatible
Positivevoltageincreasesbrightness.
Negativevoltagedecreasesbrightness.
InputImpedance Approx.10kfi
UsableFrequencyRange DCto2 MHz DCto1 MHz DCto2 MHz DCto
1 MHz
^MaximumInputVoltage 50V (DC+ ACpeak)
VERTICALAXISSIGNAL
OUTPUT
CH1 SIGNALOUTPUT
— CHI SIGNALOUTPUT
VERTICAL SIGNALOUTPUT
OutputVoltage
Approx. 50mV/div
(50Q load)
—
Approx.50 mV/div (50fi load)
OutputImpedance Approx.50Q Approx.50fi
FrequencyResponse 100Hzto20MHz,
-3dB(500 load) 100Hzto10MHz,
-3dB(50Q load) 100Hzto20MHz,
-3dB(50fi load) 100Hzto10MHz,
-3dB(50fi load)
TRACEROTATION
Electrical, adjustablefromfrontpanel
POWERREQUIREMENT AC100V/120V/220V ±10%,216-250V 50/60Hz
PowerConsumption Approx.43W Approx.39W Approx.41W Approx.38W Approx.36W
DIMENSIONS () dimensionsincludeprotrusionsfrombasicoutlinedimensions.
Width 260mm(260mm)
Height 160mm(180mm)
Depth 400mm(460mm)
5

CS-1022 CS-1021CS-1012 CS-1020 CS-1010
WEIGHT Approx.8.8kg Approx.8.4kg Approx.8.1kg
ENVIRONMENT
OperatingTemperatureand
HumidityforGuaranteed
Specifications
0°Cto40°C,85%maximumRH
FullOperatingTemperature
andHumidity 0°Cto50°C,90%maximumRH
ACCESSORIES
Probe 2 1
InstructionManual 1
ReplacementFuse0.8A 2
0.5A 2
•Circuitandratingaresubjecttochangewithoutnoticeduetodevelopmentsintechnology.
PREPARATIONFORUSE
SAFETY
Beforeconnectingtheinstrumenttoa powersource,
carefullyreadthefollowinginformation,thenverifythat
theproperpowercordisusedandtheproperlinefuseisin-
stalledforpowersource.Thespecifiedvoltageisshownat
theleftsideofthepowercordontherearpanel.Ifthe
powercordisnotappliedforspecifiedvoltage,thereis
alwaysa certainamountofdangerfromelectricshock.
Linevoltage
Thisinstrumentoperatesusingac-powerinputvoltages
that100/120/220/240V atfrequenciesfrom50Hzto
60Hz.
Powercord
Thegroundwireofthe3-wireacpowerplugplacesthe
chassisandhousingoftheoscilloscopeatearthground.Do
notattempttodefeatthegroundwireconnectionorfloat
theoscilloscope;todosomayposea greatsafetyhazard.
Theappropriatepowercordissuppliedbyanoptionthatis
specifiedwhentheinstrumentisordered.
TheoptionalpowercordsareshownasfollowsinFig.1.
Linefuse
Thefuseholderislocatedontherearpanelandcontains
thelinefuse.Verifythattheproperfuseisinstalledby
replacingthelinefuse.
EQUIPMENTPROTECTION
1. Neverallowa smallspotofhighbrilliancetoremainsta-
tionaryonthescreenformorethana fewseconds.The
screenmaybecomepermanentlyburned.A spotwilloc-
curonlywhenthescopeissetupforX-Yoperationand
nosignalisapplied.Eitherreducetheintensitysothe
spotisbarelyvisible,switchbacktonormalsweep
operationwhennosignalisapplied,orsetupthescope
forspotblanking.
2. Nevercovertheventilatingholesonthetopofthe
oscilloscope,asthiswillincreasetheoperating
temperatureinsidethecase.
3.Neverapplymorethanthemaximumratingtothe
oscilloscopeinputs.
CS-1022,1021,1012;CH1,CH2INPUTjacks
500Vp-por250V (dc+ acpeak)
EXTTRIGINPUTandZ AXISINPUT
jacks
50V (dc+ acpeak)
CS-1020,1010;VERTINPUTjack
A500Vp-por250V (dc+ acpeak)
EXTTRIGINPUTandZ AXISINPUT
jacks
50V (dc+ acpeak)
Neverapplyexternalvoltagetotheoscilloscopeoutput
terminals.
4. Alwaysconnecta cablefromtheearthground(GND)
jackoftheoscilloscopetothechassisoftheequipment
undertest.Withoutthiscaution,theentirecurrentfor
theequipmentundertestmaybedrawnthroughthe
probeclipleadsundercertaincircumstances.Suchcon-
6

ditionscouldalsoposea safetyhazard,whichthe
groundcablewillprevent.
5.Alwaysusetheprobegroundclipsforbestresults.Do
notuseanexternalgroundwireinlieuoftheprobe
groundclips,asundesiredsignalsmaybeintroduced.
6.Operationadjacenttoequipmentwhichproducesstrong
acmagneticfieldsshouldbeavoidedwherepossible.
Thisincludessuchdevicesaslargepowersupplies,
transformers,electricmotors,etc.,thatareoftenfound
inanindustrialenvironment.Strongmagneticshields
canexceedthepracticalCRTmagneticshieldinglimits
andresultinterferenceanddistortion.
7.Probecompensationadjustmentmatchestheprobeto
theinputofthescope.Forbestresults,compensation
ofprobeshouldbeadjustedinitially,thenthesamepro-
bealwaysusedwiththeinputofscope.Probecompen-
sationshouldbereadjustedwhenevera probefroma
differentscopeisused.(Seepage19)
8.Donotdepresstwoormorepush-switchesofthever-
ticalMODEswitchsimultaneousely.(ExceptADD)
Damagetoinstrumentmayresult.(CS-1022,
CS-1021, CS-1012)
9.InX-Yoperation,donotpulloutthePULLx10MAG
switch. Ifpulledoutit,noisemayappeareonthe
waveform.
Plugconfiguration Powercordandplugtype Factoryinstalled
instrumentfuse Linecordplugfuse
NorthAmerican
120volt/60Hz
Rated15amp
(12ampmax;NEC)
0.8A,250V
Fastblow
AGC/3AG None
UniversalEurope
220volt/50Hz
Rated16amp
0.5A,250V
Fastblow
5x 20mm None
U.K.
240volt/50Hz
Rated13amp
0.5A,250V
Fastblow
5x 20mm 0.5A
TypeC
Australian
240volt/50Hz
Rated10amp
0.5A,250V
Fastblow
5x 20mm None
NorthAmerican
240volt/60Hz
Rated15amp
(12ampmax;NEC)
0.5A,250V
Fastblow
AGC/3AG None
Switzerland
240volt/50Hz
Rated10amp
0.5A,250V
Fastblow
AGC/3AG
5x 20mm
None
Fig. 1 PowerInputVoltageConfiguration
7

CONTROLSANDINDICATORS
CS-1022,1021,1012 CS-1020,1010
Fig. 2 Fig. 3
FRONTPANEL
CS-1022,1021,1012 CS-1020,1010
0y POSITION
Rotationadjustsverticalpositionofchannel1 trace.
InX-Yoperation,rotationadjustsverticalpositionof
display.
0y POSITION
Rotationadjustsverticalpositionoftrace.
InX-Yoperation,rotationadjustsverticalpositionof
display.
(DVOLTS/DIV
Verticalattenuatorforchannel1;providesstepadjust-
mentofverticalsensitivity.WhenVARIABLEcontrol
(3)issettoCAL,verticalsensitivityiscalibratedin12
stepsfrom5 V/divto1 mV/div.
ForX-Yoperation,thiscontrolprovidesstepadjust-
mentofverticalsensitivity.
(DVOLTS/DIV
Verticalattenuator.Coarseadjustmentofvertical sen-
sitivity.Verticalsensitivityiscalibratedin12steps
from5 V/divto1 mV/divwhenVARIABLEcontrol
(DissettoCAL.
ForX-Yoperationthisprovidesstepadjustmentofver-
ticalsensitivity.
(3)VARIABLEControl
Rotationprovidesfinecontrolofchannel1 vertical
sensitivity.Inthefullyclockwise(CAL)position,the
verticalattenuatoriscalibrated.ForX-Yoperation,this
controlservesastheY axisattenuationfineadjust-
ment.
(DVARIABLEControl
Verticalattenuatoradjustment.Finecontrolofvertical
sensitivity.Inthefullyclockwise(CAL)position,the
verticalattenuatoriscalibrated.ForX-Yoperation,this
controlservesastheY axisattenuationfineadjust-
ment.
8

CS-1022,1021,101.2 CS-1020,1010
©AC-GND-DC
Three-positionleverswitchwhichoperatesasfollows:
AC: Blocksdccomponentofchannel1 input
signal.
GND: Openssignalpathandgroundsinputtover-
ticalamplifier.Thisprovidesa zero-signalbase
line, thepositionofwhichcanbeusedasa
referencewhenperformingdcmeasurements.
DC: Directinputofacanddccomponentofchan-
nel1 inputsignal.
(4)AC-GND-DC
Three-positionleverswitchwhichoperatesasfollows;
AC: Blocksdccomponentofinputsignal.
GND: Openssignalpathandgroundsinputtovertical
amplifier.Thisprovidesa zero-signalbaseline,
thepositionofwhichcanbeusedasa
referencewhenperformingdcmeasurements.
DC: Directinputofacanddccomponentofinput
signal.
(5)INPUTJack
Verticalinputforchannel1 trace.VerticalinputforX-Y
operation.
(5)INPUTJack
VerticalinputandverticalinputforX-Yoperation.
(DVOLTS/DIV
Verticalattenuatorforchannel2;providesstepadjust-
mentofverticalsensitivity.WhenVARIABLEcontrol
(7)issettoCAL,verticalsensitivityiscalibratedin12
stepsfrom5 V/divto1 mV/div.
InX-Yoperation,thiscontrolprovidesstepadjustment
ofhorizontalsensitivity.
(7)VARIABLEControl
Rotationprovidesfinecontrolofchannel2 vertical
sensitivity.Inthefullyclockwise(CAL)position,the
verticalattenuatoriscalibrated.InX-Yoperation,this
controlbecomesthefinehorizontalgaincontrol.
(8)AC-GND-DC
Three-positionleverswitchwhichoperatesasfollows:
AC: Blocksdccomponentofchannel2 input
signal.
GND: Openssignalpathandgroundsinputtover-
ticalamplifier.Thisprovidesa zero-signalbase
line, thepositionofwhichcanbeusedasa
referencewhenperformingdcmeasurements.
DC: Directinputofacanddccomponentofchan-
nel2 inputsignal.
(J)INPUTJack
Verticalinputforchannel2 traceinnormalsweep
operation. ExternalhorizontalinputinX-Yoperation.
(Q)CH2INV
IntheNORMposition(buttonreleased),thechannel2
signalisnon-inverted.IntheINVposition(button
engaged),thechannel2 signalisinverted.
(Q)^ POSITION,X-Y<<•
Rotationadjustsverticalpositionofchannel2 trace.
InX-Yoperationadjustshorizontalpositionofdisplay.
9

CS-1022,1021,1012
CS-1022,1021,1012 CS-1020,1010
@MODE
Five-positionpushswitch;selectsthebasicoperating
modesoftheoscilloscope.
CH1: Onlytheinputsignaltochannel1 is
displayedasa singletrace.
CH2: Onlytheinputsignaltochannel2 is
displayedasa singletrace.
ADD: WhenbothCH1andCH2buttonsare
(CH1+CH2) engaged,thewaveformsfromchannel1
andchannel2 inputsareaddedandthe
sumisdisplayedasa singletrace.When
theCH2INV© buttonisengaged,the
waveformfromchannel2 issubtracted
fromthechannel1 waveformandthe dif-
ferenceisdisplayedasa singletrace.
ALT:Alternatesweepisselectedregardlessof
sweeptime.
CHOP: Chopsweepisselectedregardlessof
sweeptimeatapproximately250kHz.
(Q)POWER,SCALEILLUM(ExceptCS-1021)
Fullycounterclockwiserotationofthiscontrol(OFF
position)turnsoffoscilloscope.Clockwiserotation
turnsonoscilloscope.Furtherclockwiserotationof
thecontrolincreasestheilluminationlevelofthescale.
©POWER.SCALEILLUM
Fullycounterclockwiserotationofthiscontrol(OFF
position)turnsoffoscilloscope.Clockwiserotation
turnsonoscilloscope.Furtherclockwiserotationof
thecontrolincreasestheilluminationlevelofscale.
(0)PILOTLamp
LampLightswhenoscilloscopeisturnedon. (8>PILOTLamp
Lightswhenoscilloscopeisturnedon.
to
Fig. 4