Chapter 2 101
Making Adjustments
15. Frequency Response of the 8590L, 8591C, and 8591E
18.Set the frequency synthesizer controls as follows:
FREQUENCY ................................................ 41MHz
AMPLITUDE ................................................ −15dBm
AMPTD INCR ................................................. 0.05dB
19.Press the following analyzer keys.
MKR, MARKER 1 ON OFF (OFF)
SPAN, 12, MHz
FREQUENCY, 41, MHz
PEAK SEARCH
MKR FCTN, MK TRACK ON OFF (ON)
BW, 10, kHz
SPAN, 100, kHz
Wait for AUTO ZOOM message to disappear.
20.Adjust the frequency synthesizer AMPLITUDE until the MKR-TRK
reads −14 dBm. This corresponds to the amplitude at 41 MHz
recorded in step 10. Record the frequency synthesizer amplitude
here.
AMPLITUDE setting (41 MHz)____________________dBm
21.Set the frequency synthesizer FREQUENCY to 4 MHz.
22.AUTO ZOOM on the 4 MHz signal by pressing the following analyzer
keys.
FREQUENCY, 4, MHz
MKR, MKR FCTN, MK TRACK ON OFF (OFF)
FREQUENCY, 4, MHz
SPAN, 12, MHz
PEAK SEARCH, NEXT PK RIGHT
MKR FCTN, MK TRACK ON OFF (ON)
SPAN, 100, kHz
Wait for AUTO ZOOM message to disappear.
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