Keysight Technologies N9030B Service Manual page 595

Functional Tests
Frequency Response (Flatness), Preamp On
2. Configure the equipment as shown in
Connect the power splitter to the signal analyzer input using the
appropriate adapter. Do not use a cable. An adapter will only be necessary
if the PXA input connector is Type-N.
3. Assure the signal analyzer's built-in auto alignment has been performed
4. Press Mode, Spectrum Analyzer, Mode Preset on the signal analyzer, and
5. Set up the synthesized sweeper by pressing:
6. Set up the signal analyzer by pressing:
7. Adjust the synthesized sweeper output power for a power meter reading
8. On the signal analyzer, press Single.
9. Press the Peak Search key on the signal analyzer to position the marker on
10.Refer to
11.Enter the power meter reading into the Power
12.Tune the synthesized sweeper and signal analyzer to the next frequency
13.Enter the power sensor calibration factor into the power meter.
14.For frequencies 3.6 GHz and above, press AMPTD Y Scale, then Presel
15.Repeat
16.Compute the measurement error (Meas
N9030B PXA Signal Analyzer Service Guide
within the last 24 hours.
press Preset on the synthesized sweeper.
CW, 50, MHz
Power level, –54, dBm
Input/Output, More, Freq Ref In, External
FREQ Channel, Center Freq, 50, MHz
SPAN X Scale, Span, 50, kHz
AMPTD Y Scale, More, Internal Preamp Full Range
AMPTD Y Scale, Attenuation, Mech Atten, 0, dB
AMPTD Y Scale, Ref Level, –55, dBm
of –60 dBm ±0.1 dB.
the peak of the signal.
Table 18-7, "Frequency Response (Flatness) Results."
amplitude of the signal displayed on the signal analyzer into the Meas
column of Table 18-7.
listed in Table 18-7.
Center to center the preselector filter for an optimum amplitude
measurement.
step 7 through
for the frequency range of your preamp.
Figure
step 14 and complete the remainder of
= Meas
Error
18-5.
Enter the
column of Table
Meter
Table 18-7
- Power
Amp Meter
Amp
18-7.
).
595