Keysight N9038A - Page 688

Keysight N9038A MXE Service Guide 707
Tests
CISPR Resolution Bandwidth Shape Accuracy
b. Set the receiver center frequency to the value listed in the Center
Frequency column in Table 22-25 by pressing FREQ Channel, Center
Freq, [Value].
c. Set the receiver span to the value listed in the Span column of Table
22-25 by pressing SPAN X Scale, Span, [Value].
d. Adjust the signal generator amplitude as necessary to place the
signal in the middle of the top graticule on the receiver display.
e. Turn on trace averaging by pressing Trace/Detector, Trace
Averaging.
f. Set the receiver N dB Points to the value listed in the N dB Points
column of Table 22-25 by pressing Meas Setup, N dB Points,
[Value].
g. Record the measured N dB Points value in the Measurement Results
column in Table 22-25.
h. Repeat step f and step g for each N dB Points value in Table 22-25
for the Resolution Bandwidth being measured.
i. Turn off the N dB Points function by pressing Marker, Off.
j. Turn off trace averaging by pressing Trace/Detector, Clear Write.