Keysight E5071C ENA Service Manual page 33

General Information
Power Meter Accuracy Test
Figure 1-1 Setup for the Power Meter Accuracy Test
Step 2. Press the power meter: Press [Preset/Local], then Confirm.
Step 3. Perform the following steps for each channel on the power meter:
a. Set to read in dBm: Press [dBm/W], then dBm.
b. Set the ref cal factor to 100%: Press [Zero/Cal], Cal, A/B Ref CF, then set
c. Set the cal factor to 100%: Press [Frequency/Cal Fac], A/B Cal Fac, then
d. Set readout to 0.001 dBm: Press [Meas Setup], then Resolution 1234, to
e. Set filter step detect on and filter length to 512: Press [System/Inputs],
Step 4. Setup the digital voltmeter (DVM) as follows:
a. Reset the DVM: Press the blue key followed by Reset.
b. Set the sample period to a value greater than one second: Press NPLC, 5,
Step 5. Set the range calibrator controls as follows:
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Step 6. Allow the equipment to warm up for approximately 30 minutes. Do not
change any connections or control setting during this time.
Step 7. Zero and calibrate the power meter channel to which the range calibrator is
connected:
a. The range calibrator's RANGE switch should be set to 1mW.
b. Set the range calibrator's FUNCTION switch to STANDBY.
Keysight E5071C ENA Network Analyzers
to 100.0, if necessary.
set to 100.0, if necessary.
highlight 4.
channel A or B Input Setting, [More], Ch A/B Filter, Step Det On, Filter On,
Mode MAN, Length, then set the filter length to 512.
0, then Enter.
POLARITY: NORMAL
RANGE: 1mW
FUNCTION: CALIBRATE
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