Agilent Technologies 11974 Series User Manual page 74

8. Set the spectrum analyzer center frequency by pressing
entering the corresponding value for the mixer listed below:
for an 11974A: 40 GHz
for an 11974Q: 50 GHz
for an 11974U: 60 GHz
for an 11974V: 75 GHz
9. Initialize the preselector-peak DAC at the end of the band by using the following key
sequence:
AUX CTRL
EXTERNAL MIXER
PRESEL PEAK
PRESEL MAN ADJ
128
Hz
Due to the repetitive nature of this procedure, it may be helpful to save the
NOTE
center-frequency settings in unused state registers as indicated in
step 11.
10.Set the spectrum analyzer center frequency by pressing
entering the corresponding value for the mixer listed below, then save this setting in an
unused register.
for an 11974A: 26.5 GHz
for an 11974Q: 33.0 GHz
for an 11974U: 40.0 GHz
for an 11974V: 50.0 GHz
11.On the rear-panel of the 11974, adjust the corresponding potentiometer for the mixer
listed below until one or both of the green LEDs are lit.
for an 11974A: "26.5 GHz SET"
for an 11974Q: "33.0 GHz SET"
for an 11974U: "40.0 GHz SET"
for an 11974V: "50.0 GHz SET"
Chapter 3
Using 8563A, 8561B, 8560A, or 8560 E/EC-Series Spectrum Analyzers
FREQUENCY, CENTER FREQ
FREQUENCY, CENTER FREQ
Operation
and
step 9 and
and
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