Agilent Technologies 85037-90013 service manual Oers, Vily

Page 28

 

Note

measureminputBfore.Evyouenzeroterrorssmallthe.detector,RFsignalremovpresen

 

duringRFsignalszeroingfromproducesthedetector

 

 

TheRepeat8757DanalyzerAUTOZROEPThasthreeAZON/OFFtunszeroesypo￿

ofzeroing:sourceRFdetector.repatsoutputautozeroandat

 

 

ManualAutozeroZero

 

 

selectedintervalsusteitherissimilarphysically.automaticallypowremovmeterthedsignalzerctorfromtheg.Firyou

 

 

 

 

 

 

 

 

 

 

RFsignalorturntheRFsignalo￿,thenyouselect

 

Note

SeetheanalyzerautomaticallyMANUALdocumentationperformthemorezeroinformation.

onthese

 

AC

softkeys.

 

 

 

 

 

prferred

 

 

 

 

 

 

for

he

ajorit

 

yof

 

 

 

 

 

AC

 

 

ction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

det

 

 

 

 

plitude

 

m

asurmenmethodsensitiviquire

 

modalso

 

 

 

 

 

envelope.

MeasuremetsDetection

Thedetctionvelopeisprothroughvided

 

 

27.778kHzsquare

 

 

 

v

 

 

vary

 

 

 

 

 

 

thesourceRF.igure

-2

 

lusratesperature

ypical

 

Hzof27.778kHz.T

 

 

 

 

 

 

Detector"ratioofaddition,thepotiontothe

 

 

 

 

 

 

 

s

 

 

o￿rsgreater

est8signal360

y.It

 

 

 

 

o￿ers

 

 

 

 

 

 

 

 

 

 

 

odulationsetupwithanAgil

 

 

 

 

 

 

 

connectionsweeper

 

 

measurementheci￿eddynamicaccuracy,

 

 

 

haracteriz

 

 

ofdetector(a

 

 

imm

 

 

ytonoiastheanddriftwithimeandte

 

 

 

 

 

 

 

 

.A

 

C

 

 

 

amplitude

 

 

 

 

 

 

of

the

 

 

 

detector

 

.Testse

 

 

 

 

 

 

 

 

 

 

MakingAccurateAC

Accuharac

 

 

 

 

 

 

willcalibrate

 

 

 

 

thesizedbACndDC

 

 

upplyingdependingateACth27eas.778kHzmotsdepulation.

 

vily

 

 

c

 

 

 

 

velopeof

ion,

 

 

pow

cal)

 

 

st￿rstremenperformnd.Wihout

 

 

 

 

 

 

 

 

 

 

 

 

 

 

nlythe

 

 

ultdynamic

 

the

 

 

isguaran

teed.P

erforming.

he

 

Measurements

 

amplitude.Se\C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

thisc

 

 

 

 

 

 

 

 

 

 

modlatdRFsignal.In

 

 

 

 

 

oobt

 

 

the

 

3-6Operation

beswmeasuremenportionerization abilitaccuracybyfollowingthisproracterizaedure.

 

 

 

modesn-imeto

￿-imustaracterizinghouldbewithin

 

5%of50/50.MstAgilen

 

 

 

TheRFsignal

 

 

 

besquarewv

 

 

 

 

 

 

 

 

at

 

ha

 

 

he

ithin20

 

 

￿

 

 

 

 

fa

 

 

 

v

amplitudustbemodulatedleast30dBand

 

 

 

atioof

 

 

isequipdwithetheOionlope

 

002powercalibrator,yu

 

anobtainthe

 

 

sourcesrovidethisca

 

 

 

 

.Ifyour8757Dscalarne

workanalyzer

Image 28
Contents Agilent Technologies 85037A/B Precision Detectors Hewlett-Packard to Agilent Technologies Transition Page Page Llati Power Contents-3 5irstAlt KitGeneralInformation1-1 2GeneralInformation Page Page GeneralInformation1-5 151 RecommendedTestEquipmentInstallation2-1 Faras PreparationElectrostaticDischargeCautionforUseESDPowerRequirementsIdentificaionableLead WniPage Page 6Installation Installation2-7 Page Page Features Nis Cons Ion Yspecial Page Oers VilyPage Page PerformanceTests4-1 Bidge Page 4PerformanceTests FrequencyResponseTestPerformanceSetupTests4-5 Page Page 8PerformanceTests DBm Page Page Procedure 4-12PerformanceTests PerformanceTests4-13 14PerformanceTests 67850dBm 16PerformanceTests PerformanceTests4-17 18PerformanceTests Accuracy 20PerformanceTests PerformanceTests4-21 22PerformanceTests Page Page Adjustments5-1 Page Page 4Adjustments ReplaceableParts6-1 Wrningmaxput1 ReplaceableParts6-3 4ReplaceableParts ReplaceableParts6-5 Page Page Oth RemovingtheCoversService7-3 CableConnections 4Service Page Page Index LeaningWacterizingbly,4-9 OrksheeAckagg Parts,6-1 Manual