VNA Commands :INPut Subsystem
MS20xxC PM PN: 10580-00306 Rev. E 3-91
3-15 :INPut Subsystem
This subsystem controls characteristics of the input port.
IF Gain Mode Setting
:INPut:GAIN:MODE
Description: Sets the method by which the instrument adjusts the gain of the IF
path. In AUTO mode, the instruments adjusts the gain depending on
the input signal level in order to maximize the dynamic range of the
instrument. For most applications, AUTO mode should be used. For
certain types of filter measurements, it may be desirable to keep the
gain fixed throughout the filter response. In that case, use this
command to set the Gain mode to FIXed. The query version of this
command returns the string “AUTO” if the current measurement gain
range is currently set to AUTO, and returns the string “FIX” if it is
currently set to fixed.
Syntax: :INPut:GAIN:MODE AUTO|FIXed
:INPut:GAIN:MODE?
Cmd Parameter: <char> AUTO|FIXed
Query Response: <char> AUTO|FIX
Default Value: AUTO
Front Panel
Access: Shift-8 (System), Application Options, Meas Gain Range
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