Last Converter Adjustments - HP 8566B Adjustment Manual

RF-Section:
A 321.4 MHz signal from a synthesized sweeper is applied to the 321.4
MHz IF input of the A6A3 Last Converter Assembly, and the 321.4
MHz Bandpass Filter is adjusted. Then, a 310.7 MHz signal is applied
to the 321.4 MHz IF input, and the 10.7 MHz Notch Filter is adjusted
to null 10.7 MHz subharmonic spurious responses.
Synthesized Sweeper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .HP 8340A/B
Spectrum Analyzer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 8566B
15x2 Extender Board (service accessorgj . . . . . . . . . . . . . .08505-60041
Probe (SMB Male Bulkhead Connector) . . . . . . . . . . . . . . . . . . .1250-0691
Cables:
required) (semice accessow) . . . . . 85680-60093
BNC to SMB Cable (2
1. Set the spectrum analyzer LINE switch to STANDBY. Turn the
spectrum analyzer over to position the RF Section on top, as
shown in Figure 3-87, and remove the RF Section bottom cover.
2. In the RF Section, disconnect cable 84 (gray/yellow) from
cable 2 (red) from A6A9Jl 300 MHz OUTPUT, cable 0 (black) from
MHz INPUT, cable 4 (yellow) from A6A9J4 VCO TUNE, and cable
5 (green) from A6A9J5 3.3 GHz INPUT.
3. Remove the cover from the A6 RF Module. Remove the A6A9
Phase Lock Assembly, the A6AlO Miscellaneous Bias/Relay Driver
Assembly, the A6All Slope Generator Assembly, and the A6A12
YTX Driver Assembly from the RF Section.

20. Last Converter Adjustments

Adjustments 3-l 69