Agilent N5161A/62A/81A/82A/83A MXG Signal Generators Service Guide
Troubleshooting
No Output Power or Output Power is Unleveled (N5183A)
1-46
Low Output Power or No Output Power >= 3.2 GHz (N5183A)
1. Remove the external cover and the top inside cover. Refer to Chapter 3, "Assembly Replacement" for instructions on removing the
instrument covers.
2. Using Figure 1-18, remove the W13 semirigid cable between the A3 RF output assembly and the 20 GHz doubler input located on the
A7 Micro Deck.
Figure 1-18 W13 Semirigid Cable
3. Connect the A3 RF assembly output (see Figure 1-18) through a 10 dB attenuator to a spectrum analyzer.
4. Set up the spectrum analyzer:
a. Press
Preset.
b. Set the reference level to +10 dBm.
c. Set the start frequency to 2.3 GHz.
d. Set the stop frequency to 5.3 GHz.
e. Set Trace to Max Hold.
5. Set up the signal generator:
a. Press
Preset.
b. Press
SWEEP > Sweep Type List Step to Step.
c. Press
Configure Step Sweep.
•Press
Freq Start > 2.8 > GHz.
•Press
Freq Stop > 10.4 > GHz.
•Press
# Points > 501 > Enter.
•Press More > Step Dwell > 2 > msec.
•Press
Return > Return > Sweep > Freq Off On to On.
d. Press RF On/Off to On.
e. Press
AMPTD > <maximum settable power> > dBm.
f. Press
AMPTD > ALC Off On to Off.
W13 semirigid cable
A3 RF assembly output
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