R&S SMC100A Power Viewer
1411.4060.32 4.51 E-4
Auto
The filter length is automatically selected and
adapted to the currently measured value. With very
high signals the filter length and therefore the
measurement time can be short. With very low
signal levels the filter length and therefore the
measurement time is increased in order to reduce
noise. The used filter length is indicated in the field
to the right.
Remote-control command:
SENS:POW:FILT:TYPE AUTO
SENS:POW:FILT:LENG:AUTO?
User
The filter length is set manually.
The filter length is entered in the entry window to
the right. As the filter length works as a multiplier
for the time window, this results in a constant
measurement time. Values 1 and 2^n are settable.
Note:
The time window varies in manual control, it is
fixed to 20 ms in remote control.
The Auto Once button can be used to search for
the optimum filter length for the current
measurement conditions. The found filter length is
indicated in the field to the right.
Remote-control command:
SENS:POW:FILT:TYPE USER
SENS:POW:FILT:SONC
or
SENS:POW:FILT:LENG:USER 16
Fixed Noise
The averaging factor is selected so that the
sensor's intrinsic noise (2 standard deviations)
does not exceed the specified noise content.
The desired noise content is entered in the entry
field to the right.
To avoid very long settling times when the power is
low, the averaging factor can be limited with the
Timeout parameter.
Remote-control command:
SENS:POW:FILT:TYPE NSR
SENS:POW:FILT:NSR 0.001
SENS:POW:FILT:NSR:MTIM 4
Use SParameter -
Power Sensors
Activates the use of the s-parameters correction data of the connected
power sensor. For sensor with attenuator this checkbox is
automatically checked.
Please see the manual of the connected R&S NRP power sensor for a
description on how to use the s-parameters table.
Remote-control command:
SENS:POW:CORR:SPD:STAT ON
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