Tektronix 494AP service manual Product SeeLlst Date11, SpectrumAnalyzerUnder Test, Ref. C1-991

Product: SeeLlst	Date:11	Ref. C1-991
		SpectrumAnalyzerUnder Test

Test equlpment,setuplor checklngI dB lnput compresslonpolnt-

b. Sefectlhe followingsettingsfor the specirumanatyzer:

FBEQUENOY103MHz

FREQUENCYSPAN/DIV 1 MHz

RESOLUTIONBANDWTDTH1 MHz

REFERENCELEVEL -40dBm

MINRFATTEN0 d B

VERTICALDISPLAY aIDIV

VIEWA/BOn

TIME/DIVAuTo

c. set thegenerator	-40
outputamplitudeto approximatety		dBm.

d . PressSAVEA to storethe 100MHzsignalamplitudeon the screen {approximatelyfivedivisions).

e . .Set REFERENCELEVELto OdBm. he

f . Adiustlhe signalgeneratoroutputfora full-screendisplay(approxi- mately+6 dBmintothepowerdivkler).

g. SettheREFERENCELEVELto -40 dBm.

h. Checkthattheamplitudeditlerencebetweenthe 100MHzpeakson theactiveand SAVEA tracesdoesnot exceed1 dB.

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