R&S FSL Setting the Level Display and Configuring the RF Input – AMPT Key
1300.2519.12 4.15 E-11
Range Linear
Selects linear scaling for the level display range and opens a submenu to select the type of
linear scaling.
Range Linear %
Selects linear scaling in % for the level display range, i.e. the horizontal grid lines are labelled in
%. The grid is divided in decadic steps.
Markers are displayed in the selected unit (Unit softkey). Delta markers are displayed in %
referenced to the voltage value at the position of marker 1. This is the default setting for linear
scaling.
This softkey is available from firmware version 1.80.
Remote: DISP:TRAC:Y:SPAC LIN
Range Lin. Unit
Selects linear scaling in dB for the level display range, i.e. the horizontal lines are labelled in dB.
Markers are displayed in the selected unit (Unit softkey). Delta markers are displayed in dB
referenced to the power value at the position of marker 1.
This softkey is available from firmware version 1.80.
Remote: DISP:TRAC:Y:SPAC LDB
Preamp On/Off (option RF Preamplifier, B22)
Switches the preamplifier on or off.
The preamplifier has only an effect below 6 GHz.
Remote: INP:GAIN:STAT 0N
RF Atten Manual
Opens an edit dialog box to enter the attenuation, irrespective of the reference level.
The attenuation can be set in 5 dB steps. The range is specified in the data sheet. If the defined
reference level cannot be set for the set RF attenuation, the reference level will be adjusted
accordingly.
The RF attenuation defines the level at the input mixer according to the formula:
level
mixer
= level
input
– RF attenuation
The maximum mixer level allowed is –10 dBm. Mixer levels above this value may lead to
incorrect measurement results, which are indicated by the OVLD status display.
Remote: INP:ATT 30 DB
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