General Power Meter Functions 2
Keysight N1911A/1912A User’s Guide 109
10 Press and select or to set the trigger edge.
11 Set the trigger buffer size by sending SENSE:BUFFer:COUNt <buffer_size>
command to meter using remote interface.
12 Press or to setup measurement setting such as measurement
averaging, measurement frequency, offsets, duty cycle and so forth. Refer to
“General Power Meter Functions” on page 57 for the setup procedures.
13 Send *OPC (OPeration Complete) command to meter to set the operation
complete bit in the Standard Event Status register when all pending device
operations are completed.
14 Set the meter to continuous trigger mode by sending
INITiate:CONTinuous ON command to meter.
In both power sweep and frequency sweep mode, the meter TRIG OUT to power
source TRIG IN connection is optional. If this connection was not setup
previously, you need to setup the proper Dwell time. You may choose to setup
the Dwell time in the power source step setting to cater the maximum settling
time required by the power meter. However, to achieve maximum speed in
power sweep, this setup is recommended. Once the power reading is settled, the
meter will output a TTL signal at the TRIG OUT to the power source TRIG IN to
trigger the power source to step to the next point.
Refer to the P-Series Power Meters Programming Guide for the commands
usage details.
Example of command set:
SENSE:BUFFer:COUNt 20
The power meter can be remotely controlled by LAN, USB and GPIB (IEEE488)
programming interfaces. Refer to P-Series Power Meters Installation Guide for
details.
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