R&S FSL DISPlay Subsystem (Noise Figure, K30)
1300.2519.12 6.539 E-11
DISPlay[:WINDow<1>]:TRACe<1|2>:Y[:SCALe]:RLEVel
This command sets the reference level for the Y–axis display value for all trace displays. This
command has no affect if automatic reference level detection is enabled
(DISPlay[:WINDow<1>]:TRACe<1|2>:Y[:SCALe]:RLEVel:AUTO command).
The numeric suffixes <1|2> are irrelevant for this command.
Parameter
<numeric_value> in dBm, range specified in data sheet
Example
DISP:TRAC:Y:RLEV 0
Sets the reference level 0 dBm
Characteristics
*RST value: –30 dBm
SCPI: conform
Mode
NF
DISPlay[:WINDow<1>]:TRACe<1|2>:Y[:SCALe]:RLEVel:AUTO
This command enables or disables the automatic reference level detection.
The numeric suffixes <1|2> are irrelevant for this command.
Parameter
ON | OFF
Example
DISP:TRAC:Y:RLEV:AUTO ON
Turns on automatic reference level detection.
Characteristics
*RST value: ON
SCPI: conform
Mode
NF
DISPlay[:WINDow<1>]:TRACe<1|2>:Y[:SCALe]:TOP
This command sets the maximum (top) Y–axis display value for the specified trace display. It
has no affect if automatic scaling of the Y–axis is enabled or the specified trace is not currently
active.
The numeric suffixes <1|2> indicate the measurement results: Trace 1 is always used for noise
results, and trace 2 is always used for gain results.
Parameter
noise figure: –75 dB to 75 dB
noise temperature: –999990000 K to 999990000 K
gain: –75 dB to 75 dB
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