HP 8559A Operation And Service Manual page 120

Spectrum analyzer

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5-19. LOG AMPLIFIER LOG AND LINEAR ADJUSTMENTS (Cont'd)

1. Set equipment controls as follows:

Spectrum Analyzer:

FREQUENCY BAND GHz

RESOLUTION BW

REFERENCELEVEL

REFLEVELFINE

Amplitude Scale

SWEEP TIME/DIV

SWEEPTRIGGER

Signal Generator:

FREQUENCY TUNE

2. Set 1-dB step attenuator to 10 dB and 10-dB step attenuator to 0 dB. Remove AlOWl (blue cable) from

The HP 355C 10 dB attenuation is included to compensate for 10 dB of gain

on Step Gain Assembly A12 with the TEST-NORM switch in TEST.

3. Set TEST-NORM switch on Step Gain Assembly A12 to TEST position. Adjust signal generator FRE-

QUENCY TUNE control for maximum signal amplitude on display with 10-dB step attenuator set to

(reduce signal generator OUTPUT LEVEL control setting as necessary to bring signal on-screen).

300 kHz, uncoupled

approx. -28dBm

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