Keysight Technologies 8163A/B Programming Manual page 189

command: :OUTPutn[:CHANnel[m]]:POWer:REFerence
syntax: :OUTPutn[:CHANnel[m]]:POWer:REFerence<wsp><value>[PW | NW | UW | MW | W | DBM ] | MIN | MAX | DEF
description: Sets the reference power (P
power (P ) . A change to the reference power does not affect the filter attenuation.
P
set(new)
parameters: <value>
MIN | MAX | DEF
response: none
example: OUTP1:POW:REF 6dBm
affects: Attenuator modules without power control.
command: :OUTPutn[:CHANnel[m]]:POWer:REFerence?
syntax: :OUTPutn[:CHANnel[m]]:POWer:REFerence?<wsp>MIN | MAX | DEF
description: Without the optional parameter, queries the reference power value.
parameters: MIN|MAX|DEF
response: 4 byte Intel floating point; reference power in current power unit.
example: OUTP1:POW:REF?
affects: Attenuator modules without power control.
command: :OUTPutn[:CHANnel[m]]:POWer:REFerence:POWermeter
syntax: :OUTPutn[:CHANnel[m]]:POWer:REFerence:POWer<wsp><slot>,<channel>
description: Copies the power value (P
module's reference power parameter (P
P
ref
parameters: <slot>
<channel>
response: none
example: OUTP1:POW:REF:POW 4,2
affects: Attenuator modules without power control.
8163A/B, 8164A/B & 8166A/B Mainframes Programming Guide
). The reference power is used to calculate the filter attenuation ( a
ref
(dBm) = P (dBm - a
ref (new) )
Desired reference power (if unit not specified current unit is used).
Sets the reference power to the module limits, or the module default.
Queries the reference power limits, or the module default.
->
6<END>
) from an external powermeter module (hosted by the same mainframe) to the attenuator
ext
(dBm) = P (dBm) + a (dB)
ext filter
Slot number of the powermeter.
Channel number of the powermeter.
(dB) - P (dB)
filter Offset
):
ref
Measurement Operations & Settings
) from the output
fil ter
4
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