Agilent Technologies Agilent 8166A Manual de Instruções Página 105

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Measurement Functions – The SENSe Subsystem Measurement Operations & Settings
Agilent 8163A/B, 8164A/B & 8166A/B Mainframes, Fifth Edition 105
command:
:SENSe[n]:[CHANnel[m]]:POWer:REFerence
syntax: :SENSe[n]:[CHANnel[m]]:POWer:REFerence<wsp>
TOMODule|TOREF,<value>PW|NW|UW|MW|Watt|DBM|DB|MDB
description: Sets the sensor reference value.
parameters: TOMODule:
TOREF:
Sets the reference value in dB used if you choose measurement rela-
tive to another channel
Sets the reference value in Watts or dBm if you choose measurement
relative to a constant reference value
The reference as a float value.
NOTE
You must append a unit type
dB if you use TOMODule or
Watts or dBm if you use TOREF.
NOTE
The two reference values are completely independent. When you change the
reference mode using the command
“:SENSe[n]:[CHANnel[m]]:POWer:REFerence:STATe:RATio” on page 107, the
instrument uses the last reference value entered for the selected reference mode.
response: none
example: sens1:pow:ref tomod,-40DB
affects: All power meters
dual sensors: Master and slave channels are independent.
command:
:SENSe[n]:[CHANnel[m]]:POWer:REFerence?
syntax: :SENSe[n]:[CHANnel[m]]:POWer:REFerence?<wsp>TOMODule|TOREF
description: Returns the sensor reference value.
parameters: TOMODule:
TOREF:
Returns the reference value in dB used if you choose measurement rel-
ative to another channel
Returns the reference value in Watts or dBm if you choose measure-
ment relative to a constant reference value
response: The reference as a float value.
example: sens1:pow:ref? toref +1.00000000E-006<END>
affects: All power meters
dual sensors: Master and slave channels are independent.
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