Remote Commands
R&S
®
FSW
738User Manual 1173.9411.02 ─ 19
[SENSe:]ESPectrum<sb>:RANGe<range>:INPut:ATTenuation:AUTO <State>
This command turns automatic selection of the input attenuation for a SEM range on
and off.
In case of high speed measurements, the input attenuation has to be identical for all
ranges.
Suffix:
<sb>
.
1 | 2 | 3
Sub block in a Multi-SEM measurement
<range> 1..30
Selects the measurement range.
Parameters:
<State> ON | OFF | 0 | 1
*RST: 1
Example:
ESP:RANG2:INP:ATT:AUTO OFF
Deactivates the RF attenuation auto mode for range 2.
Manual operation: See "RF Att. Mode" on page 212
[SENSe:]ESPectrum<sb>:RANGe<range>:INPut:GAIN <Gain>
This command selects the level of preamplification for a SEM range.
In case of high speed measurements, the level of the preamplifier has to be identical
for all ranges.
Suffix:
<sb>
.
1 | 2 | 3
Sub block in a Multi-SEM measurement
<range> 1..30
Selects the measurement range.
Parameters:
<Gain> 15 dB | 30 dB
The availability of preamplification levels depends on the
R&S FSW model.
• R&S FSW8/13: 15dB and 30 dB
• R&S FSW26 or higher: 30 dB
All other values are rounded to the nearest of these two.
*RST: OFF
[SENSe:]ESPectrum<sb>:RANGe<range>:INPut:GAIN:STATe <State>
This command turns the preamplifier for a SEM range on and off.
In case of high speed measurements, the state of the preamplifier has to be identical
for all ranges.
Configuring and Performing Measurements
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