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8. LO Distribution Amplifier Adjustment
Assembly
Adjusted
Al4 frequency control assembly
Related
Performance
Test
First LO OUTPUT Amplitude
Description
The gate bias and SENSE voltages for the A7 switched LO distribution amplifier is adjusted
to the value specified on the label of A7.
MEASURING RECEIVER
MEASURING RECEIVER
\
SPECTRUMSPECTRUM
ANALYZER
POWER SENSOR
)R
DIGITAL VOLTMETER
Figure 2-15. First LO Distribution Amplifier Adjustment Setup
Equipment
DVM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 3456A
DVMtestleads
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 34118A
SK1 10
2-40 Adjustment Procedures