Kenwood CS-1065 User manual

60MHz TRIPLETRACEOSCILLOSCOPE
CS-1 065
40MHz TRIPLETRACEOSCILLOSCOPE
CS-1 045
INSTRUCTION MANUAL

SAFETY
Symbolin This Manual
a Thissymbolindicateswhereapplicablecautionaryor
^otherinformationistobefound.
PowerSource
This equipmentoperates from a powersource that does
notapplymorethan250V rmsbetweenthesupplycon-
ductorsorbetweeneithersupplyconductorandground.A
protectivegroundconnectionbywayofthegroundingcon-
ductorinthepowercordisessentialforsafeoperation.
GroundingtheProduct
This equipmentisgroundedthroughthegroundingconduc-
torofthepowercord.Toavoidelectricalshock,plugthe
powercord into a properlywiredreceptaclebeforeconnec-
ting totheequipmentinputor output terminals.
Use theProperPower Cord
Use onlythepowercordandconnectorspecifiedforyour
product.
Use theProper Fuse
Toavoid fire hazard,usea fuseofthecorrecttype.
DonotOperateinExplosiveAtmospheres
Toavoidexplosion,donotoperatethisproductinanex-
plosiveatmosphere.
DonotRemoveCoverorPanel
Toavoidpersonalinjury,donotremovethecoverorpanel.
Referservicingtoqualifiedpersonnel.
Voltage Conversion
Ifthepowersourceisnotappliedtoyourproduct,contact
yourdealer.Toavoidelectricalshock,donot perform the
voltageconversion.
SAFETY2
FEATURES3
SPECIFICATIONS4
PREPARATION FOBUSE7
CONTROLS ANDINDICATORS9
FRONT PANEL9
REAR PANEL13
OPERATION 14
INITIALSTARTING PROCEDURE 14
{1) NORMAL SWEEP DISPLAYOPERATION14
(2)MAGNIFIED SWEEP OPERATION17
(3) DELAYED SWEEP OPERATION17
(4)ALTERNATING SWEEP OPERATION17
(5)X-YOPERATION18
(6)VIDEOSIGNAL OBSERVATION 18
(7) SINGLE SWEEP OPERATION18
APPLICATION19
PROBE COMPENSATION19
TRACE ROTATIONCOMPENSATION19
DC VOLTAGE MEASUREMENTS19
MEASUREMENTS OFTHEVOLTAGE
BETWEEN TWOPOINTSONA WAVEFORM20
ELIMINATIONOFUNDESIREDSIGNAL
COMPONENTS20
TIMEMEASUREMENTS21
FREQUENCY MEASUREMENTS21
Note: Thisinstructionmanualisdescribedfortwomodels.
Referto item appliedtoyourproduct.
2
CONTENTS
PULSE WIDTH MEASUREMENTS22
PULSE RISE TIMEANDFALLTIME
MEASUREMENTS 22
TIME DIFFERENCE MEASUREMENTS23
PHASE DIFFERENCE MEASUREMENTS24
RELATIVE MEASUREMENTS24
PULSE JITTER MEASUREMENT26
SWEEP MULTIPLICATION(MAGNIFICATION)26
DELAYED SWEEP TIMEMEASUREMENT27
PULSE WIDTH MEASUREMENTSUSING
DELAYED SWEEP 27
FREQUENCY MEASUREMENTSUSING
DELAYED SWEEP 28
PULSE REPETITIONTIME29
USING DELAYED SWEEP FORMEASUREMENTSOF
RISETIMES AND FALLTIMES 29
TIME DIFFERENCE MEASUREMENTSUSING
DELAYED SWEEP 29
TRIPLE-TRACE APPLICATIONS30
OBSERVATION OFTHESTARTPORTIONOF
THE IRREGULAR WAVEFORM30
X-Y APPLICATION31
ACCESSORIES32
MAINTENANCE33

FEATURES
1. Verticalaxishashighsensitivityandwidebandwidth
andespeciallycoversfullyspecifiedfrequency
response at5mV/divforallmodels.
CS-1065 ;
1 mV/div,2mV/div: DCto20MHz,-3dB
5mV/div: DCto60MHz,-3dB
CS-1045 ;
1 mV/div,2mV/div: DCto 1 5 MHz,-3dB
5mV/div: DCto40MHz,-3dB
2. Verticalsensitivityrangeisselectable from 1 mV/divto
5V/div with rotaryswitchcontinuously.
3. Timebasepermitsthehighsweep speed.
CS-1065; 5nsec/div(x10MAG)
CS-1045; 10nsec/div(x10MAG)
4.Verticalsensitivityerrorandsweeprateerrorare
±3% andaccuratemeasurementsareprovided.
5.The 1 50mmrectangular,domedmeshtypeCRT with
internalgraticuleprovideshighbrightnessandac-
curatemeasurements,freeofparallaxerror.
6.Forconvenienceinmakingrise time measurements,
the0%,10%,90%and100%levelsaremarkedon
thegraticule scale oftheCRT.
7.Thebuilt-inAuto-focuscircuitkeepsthewaveformsin
clear focusautomaticallyregardlessoftheINTENSITY
controlsetting.
8.Tracerotationiselectricallyadjustable from the front
panel.
9.By SCALE ILLUMcontrol,thewaveformis easy
observed indarkenedareaandthephotographofthe
waveformis easy provideda singlephotographofthe
waveformsuperimposedonthegraticule scale.
10.Delaysweepmodesareavailableinnotonly Con-
tinuousDelay (AFTERDELAY) andtriggerDelay
(TRIG) butalsobothA andB zeroDelay (DELAY = 0)
allowingtoobservethewholeextentofanycom-
plicatedpulsetrain with magnifictionas necessary.
11. Singlesweeppermitsviewingandphotographingone-
time events.
12. TRIPLE modepresentsa triple-trace oscilloscope; even
six tracesofwaveformsmaybeobservedsimultane-
ously with HORIZMODEsetatALT.
13. Thedelaylinepermitsviewingofleadingedgeofhigh-
frequency,fastrisetime pulses.
14.SelectableAUTO FREE RUNfunctionprovidessweep
withouttriggerinputsignal.
15. TheFRAME-LINEswitchprovidesselectionof sync
pulse forsweeptriggering from smallamplitudeto
largeamplitudewithoutadjustingwhenviewingcom-
posite videowaveforms.
16.Verticalmodeautomaticallyprovidesthetriggersignal
with TRIG SOURCE and VERT MODE switches.
17.X-Yoperationis easy providedbyone-touche.
18.Provides with CH1OUTPUTterminaltomonitorinput
signal ofCH1.
19. DELAY TIMEMULTpermitstheaccurate time
measurements with thedial scale.

SPECIFICATIONS
CS-1065 CS-1045
CRT
150TTM31
Rectangular, with internalgraticule 150TTM31
Rectangular, with internalgraticule
Acceleration Voltage 12kV
Display Area 8x10div(1div= 10mm)
VERTICAL AXIS CH1 andCH2
Sensitivity
1 mV/divto5 V/div,±3%
Attenuator 12
steps, 1 mV/divto5 V/divin 1 -2-5 sequence.
Vernier controlforfullyadjustablesensitivitybetween steps.
InputImpedance 1 Mfi±2%,approx.20pF
Frequency Response
5mV/divto5V/div DC; DCto60MHz,-3dB
AC; 5 Hzto60MHz,-3dB
DC; DCto40MHz,-3dB
AC; 5 Hz,to40MHz,-3dB
1 mV/div,2 mV/div DC; DCto20MHz,-3dB
AC; 5 Hzto20MHz,-3dB
DC; DCto 1 5 MHz,-3dB
AC; 5 Hzto 1 5 MHz,-3dB
Rise Time 5.8
nsec or less (5mV/divto5 V/div)
17.5 nsec or less (1mV/div,2 mV/div) 8.8
nsec or less (5mV/divto5 V/div)
23.4 nsec or less (1mV/div,2 mV/div)
Signal DelayTime Approx.20
nsec ontheCRT screen
Crosstalk
—40dBminimum
OperatingModes
CH1; singletrace
CH2; singletrace
DUAL; CH1andCH2,dualtrace
ADD; CH1+CH2addedasa singletrace
TRIPLE; CH1,CH2andCH3tripletrace
Chop Frequency Approx.250kHz
Channel Polarity Normalorinverted,channel2 onlyinverted
/\ Maximum Inputvoltage 500Vp-por250V (DC+ ACpeak)
Non-Distorted Maximum Amplitude
More than8 div(DCto60MHz)
More than8 div(DCto40MHz)
VERTICAL AXIS
CH3
Sensitivity
0.5V/div±3%
Input Resistance
1 Mi)±2%
InputCapacitance Approx20pF
Frequency Response
DC: DCto60MHz,-3dB
DC: DCto40MHz,-3dB
Rise Time 5.8
nsec or less 8.8 nsec or less
Signal DelayTime
Same asCH1andCH2
$\ Maximum InputVoltage 50V (DC+ ACpeak)
HORIZONTAL AXIS InputthruCH2,x 10MAGnotincluded
OperatingModes
With H0RIZMODE switch, X-Yoperationisselectable
CH1; Y axis
CH2; X axis
Sensitivity
Same asvertical axis (CH2)
4

5
CS-1065 CS-1045
InputImpedance
Same as verticalaxis (CH2)
Frequency Response
DC; DC to 1 MHz,-3dB
AC; 5 Hzto1 MHz,-3dB
X-Y PhaseDifference 3°
or less at100kHz
A Maximum InputVoltage
Same as verticalaxis (CH2)
SWEEP
Type
A; A sweep
ALT; A sweep(intensified for duration ofB sweep) andB sweep(delayed
sweep) alternating
B; Delayedsweep
X-Y; X-Y oscilloscope
Sweep Time A
B
0.05jts/div to0.5 s/div, ±3%in22
ranges, in 1 -2-5sequence.
Verniercontrolprovidesfullyadjustable
sweep time between steps.
0.1ns/dw to0.5 s/div, ±3%in21
ranges, in1-2-5 sequence.
Verniercontrolprovidesfullyadjustable
sweep time between steps.
Sweep Time A
B
0.05/is/div to50 ms/div, ±3%in19
ranges, in 1 -2-5sequence. 0.1/is/div
to50 ms/div, ±3%in18
ranges, in 1 -2-5sequence.
Sweep Magnification x10
(ten times) ±5%(±8%on,
0.05jis/div to0.2 /ts/divrange) x
10(ten times) ±5%(±8%on,
0.1^s/div to0.2 /ts/divrange)
Linearity
±3% all ranges,
±5% on0.05 /is/div to0.2 /^s/div
range atx 10MAG.
±3% all ranges,
±5% on0.1 ^s/div to0.2 /js/divrange
at x 10 MAG.
Holdoff
Continuously variable from NORM to morethan ten times (MAX)
Trace Separation
B sweepcan be separated from A sweep upto4 divisionsdownward,continuous-
lyadjustable.
Delay Method
Continuous delay (AFTER DELAY), Triggerdelay(TRIG),Triggerdelay (TV LINE),
Zerodelay (DELAY = 0)
DelayTime From
500 nsec to 0.5sec.Availabledelay time is0.2to10 times theA sweep
time setting,continuouslyadjustable.
Timedifferencemeasurement
accuracy
±2%
DelayJitter 1 /20000 often times ofA sweep time setting
TRIGGERING
Triggermode AUTO, NORM, FIX, SINGLE-RESET
Triggersource
VERT
MODE;Triggerselected by verticalMODEswitch.
CH1; Triggered by CH1signal
CH2; Triggered byCH2 signal
CH3/EXT; Triggered byCH3 signal
LINE; Triggered by linefrequency
Coupling AC, HFrej,DC, TV FRAME, TV LINE
Triggersensitivity FREQ.RANGE INT EXT FREQ.RANGE INT EXT
DC DC to50MHz
DC to60MHz
1 div
1.5 div
0.5 Vp-p
0.8 Vp-p
DC to40MHz 1 div 0.5Vp-p
AC Same asforDCbut increasedminimumlevelbelow 10Hz
AC, HFrej
Increased minimumlevelbelow 10Hzand above 20kHz
TV
FRAME, LINE
1 div 0.5 Vp-p FRAME, LINE
1 div 0.5 Vp-p
AUTO: Same as abovespecifications for above 50Hz.
FIX: Same as abovespecifications for above 50Hz.

CS-1065 CS-1045
CALIBRATION VOLTAGE
1 V ±3%,squarewave,positivepolarity,approx.1 kHz
INTENSITY MODULATION
Sensitivity
+ 5 V.Negativevoltageincreasesbrightness,positivevoltagedecreases
brightness.
InputImpedance Approx.10kQ
Usable FrequencyRange
DC to5 MHz
DC to3.5MHz
/t\ Maximum InputVoltage 50V (DC+ ACpeak)
VERTICAL AXISSIGNALOUTPUT CH1OUTPUT
OutputVoltage Approx.50mV/divinto500
OutputImpedance Approx.50Q
Frequency Response
5 mV/divto5 V/div 100Hzto60MHz,-3dBinto500 100Hzto40MHz,-3dBinto500
1 mV/div,2 mV/div 100Hzto20MHz,-3dBinto50Q 100Hzto15MHz,-3dBinto500
POWER REQUIREMENT
PowerSupply 100V/120V/220V/240VAC±10%
Line Frequency
50/60 Hz
PowerConsumption Approx.61W
DIMENSIONS (WxHxD)
319(359) x 132(145) x 380(455) mm
() dimensionsincludeprotrusion from basic outlinedimensions
WEIGHT Approx.9.2kg
ENVIRONMENTAL
Within Specifications 10°Cto35°C,85%max.relativehumidity
Full Operation 0°Cto40°C,85%max.relativehumidity
ACCESSORIES SUPPLIED
Probe
PC-39 x 2
PC-30X2
Spare Fuse
0.7Ax2
1 Ax2
InstructionManual
1
*Circuitandratingaresubjecttochangewithoutnoticeduetodevelopmentsintechnology.
6

PREPARATION FORUSE
SAFETY
Beforeconnectingtheinstrumenttothepower source,
carefullyreadthefollowinginformation,thenverify that
thepowercordandpowerlinefuseareonesforyourpower
line.
The instrument'srearpanelhasa fuseholderonthe left of
theACinletterminal(thefuseholeralso serves asa
voltageselector).Thevalueunderthetriangle• marked
ontheholderindicatesthelinevoltagesetfortheinstru-
ment.Ifthepowercordisnotapplied with thecorrect
voltage,thereisa danger from electric shock.
Line voltage
This instrumentoperatesusingac-powerinputvoltages
that 100/120/220/240 V atfrequencies from 50Hzto
60Hz.
Power cord
The groundwireofthe3-wireacpowerplugplacesthe
chassis andhousingofthe oscilloscope atearthground.Do
not attempt todefeatthegroundwireconnectionor float
the oscilloscope; todosomayposea greatsafetyhazard.
The appropriatepowercordissuppliedbyanoption that is
specified whentheinstrumentisordered.
The optionalpowercordsareshownasfollowsinFig.1.
Line fuse
The fuseholderislocatedontherearpanelandcontains
thelinefuse.Verify that theproperfuseisinstalledby
replacing thelinefuse.
5.Alwaysusetheprobeground clips forbestresults.Do
notuseanexternalgroundwireinlieuoftheprobe
ground clips, asundesiredsignalsmaybeintroduced.
6.Operationadjacenttoequipmentwhichproducesstrong
ac magneticfieldsshouldbeavoidedwherepossible.
This includes such devicesaslargepowersupplies,
transformers, electricmotors,etc., that are often found
inanindustrialenvironment.Strongmagneticshields
can exceedthepracticalCRTmagneticshieldinglimits
andresultinterferenceanddistortion.
7.Probecompensationadjustmentmatchestheprobeto
theinputofthe scope. Forbestresults,compensation
ofprobeshouldbeadjustedinitially,thenthesamepro-
bealwaysused with theinputof scope. Probecompen-
sation shouldbereadjustedwhenevera probe from a
different scope is used. (Seepage19)
8.InX-Yoperation,donotpulloutthe PULLx 10MAG
switch. Ifpulledoutit,noisemayappeareonthe
waveform.
EQUIPMENT PROTECTION
1. Neverallowa smallspotofhighbrilliancetoremain sta-
tionaryonthe screen formorethana few seconds. The
screen maybecomepermanentlyburned.A spotwilloc-
cur onlywhenthe scope issetupforX-Yoperationand
nosignalisapplied.Eitherreducetheintensitysothe
spot isbarelyvisible,switchbacktonormalsweep
operationwhennosignalisapplied,orsetupthe scope
forspotblanking.
2. Nevercovertheventilatingholesonthetopofthe
oscilloscope, asthiswillincreasetheoperating
temperatureinsidethe case.
3. Neverapplymorethanthemaximumratingtothe
oscilloscope inputs.
CH1, CH2INPUT jacks: 500Vp-por250V (dc+ ac
peak)
CH3 INPUTjack:50V (dc+ acpeak)
Z axisINPUTjack:50V (dc+ acpeak)
Neverapplyexternalvoltagetotheoscilloscopeoutput
terminals.
4.Alwaysconnecta cable from theearthground(GND)
jack ofthe oscilloscope tothe chassis oftheequipment
undertest. Without thiscaution,theentirecurrentfor
theequipmentundertestmaybedrawnthroughthe
probeclipleadsundercertain circumstances. Such con-
ditionscouldalsoposea safetyhazard,whichthe
groundcablewillprevent.
7

Plug configuration
Power cordandplugtype
Factory installed
instrument fuse
Line cordplugfuse
NorthAmerican
120volt/60Hz
Rated 15amp
(12ampmax;NEC)
1 A,250V
Fast blow
6 x 30mm None
Universal Europe
220volt/50Hz
Rated 16amp
0.63A,250V
T. lag
5 x 20mm None
U.K.
240volt/50Hz
Rated 13amp
0.7A,250V
Fast blow
6 x 30mm
0.7A
Type C
Australian
240volt/50Hz
Rated 10amp
0.7A,250V
Fast blow
6 x 30mm None
NorthAmerican
240volt/60Hz
Rated 15amp
(12ampmax;NEC)
0.7A,250V
Fast blow
6x 30mm None
Switzerland
240volt/50Hz
Rated 10amp
0.7A,250V
Fast blow
6x 30mm None
Fig. 1 PowerInputVoltageConfiguration
8

CONTROLS ANDINDICATORS
FRONT PANEL
(D• POSITION/PULLCHOP
•POSITION:Rotationadjustsverticalpositionof
channel 1 trace.
InX-Yoperation, rotation adjustsver-
ticalpositionofdisplay.
CHOP: ALT/CHOPselectorswitch;pullingthisswitch
causes chopoperation.
ALT operation:Alternatesweepisselected
regardless ofsweep time asdual
trace(CH1andCH2)or triple
trace(CH1,CH2andCH3).
CHOP operation:Chopsweepisselectedregard-
less ofsweep time atapprox-
imately250kHzasdualtrace
(CH1andCH2)or triple trace
(CH1, CH2andCH3).
(2)VOLTS/DIV
Verticalattenuatorforchannel1;providesstepadjustment
ofverticalsensitivity.When VARIABLE control3 issetto
CAL, verticalsensitivityiscalibratedin12steps from
5 V/divto1 mV/div.
For X-Yoperation,thiscontrolprovidesstepadjustmentof
verticalsensitivity.
(D VARIABLEControl
Rotationprovides fine controlofchannel1 vertical sen-
sitivity.Inthe fully clockwise(CAL)position,thevertical
attenuatoriscalibrated.ForX-Yoperation,thiscontrol
serves astheY axisattenuation fine adjustment.
(4)AC-GND-DC
Three-positionleverswitchwhichoperatesasfollows:
AC: Blocksdccomponentofchannel1 inputsignal.
GND:Openssignalpathandgroundsinputtovertical
amplifier.Thisprovidesa zero-signalbaseline,the
positionofwhichcanbeusedasa referencewhen
performingdcmeasurements.
DC: Directinputofacanddccomponentofchannel1
inputsignal.
(5)INPUT Jack
Verticalinputforchannel1 trace.VerticalinputforX-Y
operation.
(6) VOLTS/DIV
Verticalattenuatorforchannel2;providesstepadjustment
ofverticalsensitivity.WhenVARIABLEcontrol7 issetto
CAL, verticalsensitivityiscalibratedin12steps from
5 V/divto1 mV/div.
InX-Yoperation,thiscontrolprovidesstepadjustmentof
horizontalsensitivity.
(7)VARIABLEControl
Rotationprovides fine controlofchannel2 vertical sen-
sitivity.Inthe fully clockwise(CAL)position,thevertical
attenuatoriscalibrated.InX-Yoperation,thiscontrol
becomes the fine horizontalgaincontrol.
(J) AC-GND-DC
Three-positionleverswitchwhichoperatesasfollows:
AC: Blocksdccomponentofchannel2 inputsignal.
GND:Openssignalpathandgroundsinputtovertical
amplifier.Thisprovidesa zero-signalbaseline,the
positionofwhichcanbeusedasa referencewhen
performingdcmeasurements.
DC: Directinputofacanddccomponentofchannel2
inputsignal.
9
Fig. 2

Fig. 3
(9) INPUT Jack
Verticalinputforchannel2 traceinnormalsweepopera-
tion.ExternalhorizontalinputinX-Yoperation.
(B> T POSITION/PULLINV
T POSITION:
Rotationadjustsverticalpositionofchannel2
trace.
INV:Pullingthiscontrolinvertschannel2 signal.
(Hereafter PULL INVisdescribedasCH2INV.)
@ PILOTLamp
Lights whenoscilloscopeisturnedon.
(Q) X GNDterminal/bindingpost.
Earth and chassis ground.
©CAL
Provides approximately1 kHz,1 V peak-to-peaksquare
wavesignal.Thisisusefulforprobecompensationadjust-
ment.
(Q) MODE
Selects the basic operatingmodesoftheoscilloscope.
CH1: Onlytheinputsignaltochannel1 isdisplayedas
a singletrace.
CH2: Onlytheinputsignaltochannel2 isdisplayedas
a singletrace.
DUAL: Displayschannel1 and2 signalsonthe screen.
ADD:Thewaveforms from channel1 andchannel2 in-
tern+ CH2) putsareaddedandthesumisdisplayedasa
single trace.WhentheCH2INVcontrolis
pulledout,thewaveform from channel2 is sub-
tracted from thechannel1 waveformandthe
differenceisdisplayedasa singletrace.
TRI: Displayschannel1,2 and3 signalsonthe
screen.
@ POWER, SCALE ILLUM
Fully counterclockwiserotationofthiscontrol(OFFposi-
tion)turnsoffoscilloscope.Clockwiserotationturnson
oscilloscope. Furtherclockwiserotationofthecontrolin-
creases theilluminationlevelof scale.
@ TRACE ROTATION
Electrically rotatestracetohorizontalposition.
Strongmagneticfieldsmay cause thetracetobetilted.
Thedegreeof tilt mayvaryasthescopeismoved from one
locationtoanother.Inthese cases, adjustthiscontrol.
@ FOCUS
Adjusts thetraceforoptimumfocus.
@>INTENSITY/PULLASTIG
INTENSITY: Clockwiserotationofthiscontrolincreases
thebrightnessofthetrace.
ASTIG: Pulloutand rotate thisknob.Astigmatismad-
justmentprovidesoptimumspotroundness
whenusedinconjunction with FOCUS con-
trol regardlessintensitycontrol.
(fj) LEVEL/PULL SLOPE (-)
LEVEL: Triggerleveladjustmentdeterminesthepoint
onwaveformwheresweepstarts.
WhenCOUPLINGswitchisselectedinTV-
FRAME orLINE,thetriggerleveladjustment
has noeffect.
SLOPE: Selectoroftriggerpolarity;pullingthiscontrol
selects thenegativeslope.
10