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16. Second IF Amplifier and Third Converter Adjustment
17. Pilot Second IF
Adjustments
Reference
Description
Equipment
3-116 Adjustments
RF Section:
A synthesized sweeper is used to inject a signal of 269 MHz at
-20 dBm into the A9 Pilot Second IF Amplifier. The output of the
amplifier is displayed on a scaler network analyzer. The amplifier is
adjusted for a bandpass of greater than 21 MHz centered at 269 MHz
and a gain of greater than + 10 dB.
SYNTHESIZED !WEEPER
Figure 3-67. Pilot Second IF Amplifier Adjustments Setup
Synthesized Sweeper . . . . . . . . . . . . . . . . . . . . . . . .
Scalar Network analyzer . . . . . . . . . . . . . . . . . . . . . . . HP 8757A
Power Splitter . . . . . . . . . . . . . . . . . . . . . . HP 11667A Opt. 001
Power Meter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..HP436 A
Power Sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..HP8482 A
Detector (2 required) . . . . . . . . . . . . . . . . . . . . . . . . . HP 11664A
20 dB Attenuator . . . . . . . . . . . . . . . . . . . . HP 8491A, Opt. 020
Adapters:
Type N (f) to APC-3.5 (f) . . . . . . . . . . . . . . . . . . . . . .
Type N (m) to BNC (f) (2 required) . . . . . . . . . . . . . 1250-0780
Type N (f) to BNC (f) (2 required) . . . . . . . . . . . . . . 1250-1474
APC 3.5 (f) to APC 3.5 (f) . . . . . . . . . . . . . . . . . . . . . 1250-1749
Cables:
BNC to SMB Snap-On (Service Accessory) (2 required) . 85680-60093
BNC 122 cm (48 in) (3 required) . . . . . . . . . . . . . . . . . . 10503A
SMA (m) to (m) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
HP 8340A/B
1250-1745
5061-5458
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