Find Quadrature - Agilent Technologies 83620A Service Manual

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Spectrum Analyzer with
racking Generator
Digitizing Oscilloscope
Digital Voltmeter
Microwave Ampli er
Power Splitter
Power Splitter
Mixer
Attenuator 10 dB (2)
Attenuator 10 dB (2)
Delay Line
Discriminator (cable 3 ft.)
5. On the spectrum analyzer, clear trace A memory. Change the reference
level, using the RPG knob, to position the trace on the center horizontal
graticule.
6. When a full sweep is completed, store trace A into trace B memory.
hen display A minus B (turning o trace B). A straight line should be
displayed.

Find Quadrature

7. Connect the tracking generator output to the synthesizer's FM input and
connect the mixer's IF output to the DVM's VOL S HI/LO input (C).
Set the DVM to measure DC volts.
8. On the synthesizer, press:
First synthesizer frequency in able 2-28
CW
5
Leveling Point ExtDet Coupling Factor
ALC
5
POWER LEVEL
5
output of 16 dBm.
HP 8360
Equipment
HP 3585A/B
HP 54111D
HP 3456A
HP 8348A (HP 83620A/22A/23A/24A/30A)
HP 11667C (HP 83640A/50A)
HP 11667B (HP 83620A/22A/23A/24A/30A)
HP P/N 0955-0307
HP 8490D Option 010 (HP 83640A/50A)
HP 8493C Option 010 (HP 83620A/22A/23A/24A/30A)
HP P/N 08503-20038
Set the power so that the microwave ampli er displays an
16 dB
5 5
Performance Tests 2-121
FM Bandwidth