Chapter 11 533
Synthesizer Section
Confirming a Faulty Synthesizer Section
32.If the power is less than −6.5 dBm, suspect W34, A7 LOMA, or A11
YTO.
33.Move jumper A14J23 to the NORM position.
Table 11-3 Sampling Oscillator Test Frequencies
8340A CW
Frequency
(GHz)
8564/5EC Center
Frequency
(MHz)
Offset PLL
Sampling
Oscillator Freq
(MHz)
Counter
Reading
Sampler IF
(MHz)
6.067000 2156.3 285.000 82.000
6.087000 2176.3 286.364 73.364
6.110200 2199.5 287.500 72.700
6.141000 2230.3 288.462 83.308
4.710000 799.3 288.889 87.778
6.174000 2263.3 290.000 84.000
6.193000 2282.3 290.909 83.909
6.213000 2302.3 291.667 88.000
6.066000 2155.3 292.500 76.500
6.069000 2158.3 293.478 94.044
6.247000 2336.3 294.444 63.667
6.107000 2196.3 295.000 88.000
3.912000 1.3 296.000 64.000
6.289000 2378.3 296.471 63.118
6.321000 2410.3 297.000 84.000
6.333000 2422.3 297.222 91.333
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