HP 8559A Operation And Service Manual page 168

Spectrum analyzer

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CAL OUTPUT AND REF LEVEL CAL ADJUSTMENTS

These adjustments should be followed by frequency response adjustments,

since adiustment of A12R57 1A (offset) will shift the freauencv resDonse of

A10 and A12 Schematics

DESCRIPTION:

The 35 MHz CAL OUTPUT signal is adjusted for proper amplitude and frequency using a power meter and

frequency counter. Adjustment range of the front-panel REF LEVEL CAL control is set using the CAL OUT-

PUT signal as a reference.

FIGURE 5-20. CAL OUTPUT AND REF LEVEL CAL ADJUSTMENTS TEST SETUP

Power Sensor

Adapter, Type N (m) to BNC (f)

Extender Cable Assembly

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H P 432A/435A/B

H P 1250-0780

H P 5060-0303

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