Internal Fm (Option 002 Only) - Agilent Technologies 83620A Service Manual

Resolution Bandwidth: 3 kHz
Video Bandwidth:
weep Time:
weep:
6. Center the signal on the spectrum analyzer display using the center
frequency function.
7. urn on the synthesizer modulation. Press:
FM On/Off 100 kHz
MOD
5
or for synthesizers with Option 002, press:
FM Menu FM On/Off Ext
MOD
5
8. Adjust the function generator amplitude to minimize the amplitude of the
signal on the spectrum analyzer.
9. Calculate the percentage of error as follows:
Error (%) = [(480.8 mV p-p
10. Record the error in able 2-27.
11. urn o the synthesizer FM modulation. Press:
FM On/Off 100 kHz
or for synthesizers with Option 002, press:
(asterisk o )
FM On/Off Ext
12. Repeat steps 6 through 11 at the synthesizer (and spectrum analyzer)
frequencies in able 2-27.
13. Record the worst case value from able 2-27 on the test record.

Internal FM (Option 002 only)

14. On the synthesizer, press:
First synthesizer frequency in able 2-27
CW
5
FM Menu FM On/Off Ext
MOD
5
15. Set the spectrum analyzer center frequency to the same frequency as the
synthesizer.
16. Center the signal on the spectrum analyzer display using the center
frequency function.
2-116 Performance Tests
FM Accuracy
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1 kHz
Auto
Continuous
(asterisk on)
(asterisk on)
0
New Amplitude)/480.8 mV p-p] x 100.
(asterisk o )
(asterisk o )
HP 8360