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Programming Commands
CALCulate3 Subsystem
SNR:REFerence:FREQuency
Enters a frequency that can be used for the noise measurement refer-
ence in signal- to- noise calculations.
Syntax
:CALCulate3:SNR:REFerence:FREQuency{?| {<real> | MINimum | MAXimum}}
<real> is a frequency value that is within the following limits:
Constant
MINimum
MAXimum
Attribute
Preset State: unaffected by
Summary
*RST State: 193.4145 THz (1550.0 nm in a vacuum)
SCPI Compliance: instrument specific
Description
After entering this value, use the SNR:AUTO command to configure the
instrument to use this value in subsequent signal- to- noise calculations.
The default units for the <real> parameter are Hz.
4-70
Description
181.6924 THz
236.0571 THz
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