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13. 20 MHz
Reference
Adjustments
Reference
Related Performance
Description
Equipment
RF Section:
Calibrator Amplitude Accuracy Test
The 20 MHz output is peaked and amplitude checked for proper level.
The INTERNAL REFERENCE output level is then checked for proper
output level as compared to input from A27 Time Base. Finally, the
COMB DRIVE and CAL OUTPUT are adjusted for proper power levels.
SYNTHESIZER LEVEL
POWER METER
Figure 3-56. 20 MHz Reference Adjustments Setup
Spectrum Analyzer . . . . . . . . . . . . . . . . . . . . . . . . . HP 8566A/B
Digital Voltmeter (DVM) . . . . . . . . . . . . . . . . . . . . . . . . HP 3456A
Frequency Synthesizer . . . . . . . . . . . . . . . . . . . . . . . . . HP 3335A
Power Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..HP436 A
Power Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Digitizing Oscilloscope . . . . . . . . . . . . . . . . . . . . . . . . HP 54501A
Adapters:
Type N (m) to BNC (f) . . . . . . . . . . . . . . . . . . . . . . . . . 1250-0780
Type N (f) to BNC (f) . . . . . . . . . . . . . . . . . . . . . . . . . . 1250-1474
Cables:
BNC to SMB cable Snap-On (2 required) . . . . . . 85680-60093
13. 20 MHz Reference Adjustments
SPECTRUM ANALYZER
DIGITAL VOLTMETER
HP 10432A
(Devise Under Teat)
Adjustments 3-103
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