Table of Contents
Advertisement
2
Performance Verification and Adjustments
Procedure
For zero set with no RF present during zeroing:
1 Ensure that the DUT has been allowed to warm up for approximately an hour
2 Set the channel frequency of the DUT by sending "
3 Enable auto-averaging for the DUT by sending "
4 Change the power measurement unit of the DUT to watt by sending "
5 Set the DUT to the single trigger mode by sending "
6 Perform zeroing for the DUT by sending "
7 Read the noise level of the DUT by sending "
8 Repeat step 7 for 10 times and then calculate the mean value of the readings.
9 Compare the calculated mean value to the system specifications. If the
For zero set with RF present (≥ 500 MHz) during zeroing:
1 Ensure that the DUT has been allowed to warm up for approximately an hour
2 Connect the DUT to the signal generator.
3 Set the channel frequency of the DUT by sending "
4 Enable auto-averaging for the DUT by sending "
5 Change the power measurement unit of the DUT to watt by sending "
6 Set the DUT to the single trigger mode by sending "
7 Set the signal generator to generate a continuous wave (CW) signal with a
8 Perform zeroing for the DUT by sending "
9 Change the signal amplitude of the signal generator to –110 dBm and then
32
before attempting to measure zero set.
".
500MHz/1GHz/etc
".
W
verification fails, refer to
before attempting to measure zero set.
".
500MHz/1GHz/etc
".
W
frequency of
500 MHz and an amplitude of +20
≥
turn off the signal generator output.
CAL:ZERO:AUTO ONCE
"Adjustments"
on page 36.
CAL:ZERO:AUTO ONCE
Keysight U2020 X-Series Service Guide
FREQ 50MHz/100MHz/
AVER:COUN:AUTO ON
INIT:CONT OFF
".
" and record the reading.
READ?
FREQ 50MHz/100MHz/
AVER:COUN:AUTO ON
INIT:CONT OFF
dBm.
".
".
UNIT:POW
".
".
UNIT:POW
".
Advertisement
Table of Contents
