Keysight Technologies 8163A/B, Programming Manual

Page: 187 / 306

8163A/B, 8164A/B & 8166A/B Mainframes Programming Guide 187
Measurement Operations & Settings 4
command: :OUTPut n [:CHANnel[ m ]]:APMode?
syntax: :OUTPut n [:CHANnel[ m ]]:APMode?
description: Queries whether the user has amended the power value or the attenuation value.
This use of this command is optional.
Included for compatibility with Keysight 8156A mainframe.
parameters: none
response: boolean 0 User has amended the attenuation value.
1 User has amended the power value.
example: OUTP1:APMode?
->
0<END>
affects: All attenuator modules.
command: :OUTPut n [:CHANnel[ m ]]:POWer
syntax: :OUTPut n [:CHANnel[ m ]]:POWer<wsp><value>[PW | NW | UW | MW | W | DBM ] | MIN | MAX | DEF
description: Sets the output power value ( P ).
If your attenuator module does not include the power control feature, the new filter attenuation (
a
filter (new)
) is calculated
from the reference power ( P
ref
) :
P
set(new)
(dBm) = P
ref
(dBm) -
a
filter (new)
(dB) - P
Offset
(dB)
If your attenuator module includes the power control feature, the filter attenuation is changed until the set power (measured
by the module’s internal power meter) has been reached.
P
set(new)
(dBm) = P
att(new)
(dBm) - P
offset
(dB)
If the set power cannot be achieved ExP (indicating ’Excessive Power’ ) is displayed, and the appropriate GPIB status bit is set.
The status of these bits can be queried using
:STATus:OPERation:CONDition[:LEVel0]?
on page 56
parameters: <value>
MIN | MAX | DEF Desired output power (if unit not specified current unit is used).
Sets the output power to the module limits, or the module default.
response: none
example: OUTP1:POW 12
affects: All attenuator modules.
command: :OUTPut n [:CHANnel[ m ]]:POWer?
syntax: :OUTPut n [:CHANnel[ m ]]:POWer<wsp>MIN | MAX | DEF
description: Without the optional parameter, queries the output power value.
parameters: MIN | MAX | DEF Queries the output power module limits, or the module default.