HP 8559A Operation And Service Manual page 146

Spectrum analyzer

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FIRST CONVERTER ADJUSTMENTS

A3, A4, AS, A6, and A7 Schematics

DESCRIPTION:

The First LO (A6 YTO) is adjusted by monitoring the YTO output at the RF input connector (LO emission) and

the tuning voltage (TUNE) output of the A7 Frequency Control board, and adjusting the YTO low-end fre-

quency for 3 GHz at O V tuning voltage and 6 GHz at

Digital Voltmeter

Comb Generator

Cable, BNC (m) to Banana Plug

Extender Cable Assembly

Adapter, BNC (f) to Alligator Clips

Cable Assembly, RG-214/U, Type N Connectors

1. Allow one-half hour warmup time of equipment with spectrum analyzer connected to mainframe with

extender cable.

LOCATED THROUGH

HOLE I N S I D E

FIGURE 5-1 1. FIRST CONVERTER ADJUSTMENTS TEST SETUP

H P 101 1 1A

H P SO6O-0303

H P 8120-1292

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