4. IF Amplitude Adjustments

4. IF Amplitude Adjustments

The IF Amplitude Adjustments consist of the Cal Oscillator Amplitude adjustment and the Reference 15 dB Attenuator adjustment.

Assembly Adjusted

A4 Log Amp/Cal Oscillator

A5 IF Assembly

Related Performance Tests

IF Gain Uncertainty Test

Scale Fidelity Test

Equipment

Frequency Synthesizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 3335A

Adapters

Type N (m) to BNC (f) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1250-1476

Cables

BNC,122cm (48in) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . HP 10503A Test Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...85680-60093

T E S T C A B L E

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IS P E C T R U M

IA N A L Y Z E R

F R E Q U E N C YI

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Figure 2-6. IF Amplitude Adjustment Setup

Adjustment Procedures 2-25