SetReferenceLevelHeadroom(string, double)

Sets the margin RFmx adds to the Reference Level method. The margin avoids clipping and overflow warnings if the input signal exceeds the configured reference level. RFmx configures the input gain to avoid clipping and associated overflow warnings provided the instantaneous power of the input signal remains within the reference level plus the reference level headroom. If you know the input power of the signal precisely or previously included the margin in the reference level, you could improve the signal-to-noise ratio by reducing the reference level headroom. Default values
PXIe-5668: 6 dB
PXIe-5830/5831/5832/5841/5842/5860: 1 dB
PXIe-5840: 0 dB Supported devices: PXIe-5668R, PXIe-5830/5831/5832/5840/5841/5842/5860.

Syntax

Namespace: NationalInstruments.RFmx.TdscdmaMX

public int SetReferenceLevelHeadroom(string selectorString, double value)

Remarks

This method sets the value of ReferenceLevelHeadroom attribute.

Parameters

NameTypeDescription
selectorStringstring

Pass an empty string. The signal name that is passed when creating the signal configuration is used.

valuedouble

Specifies the margin RFmx adds to the Reference Level method. The margin avoids clipping and overflow warnings if the input signal exceeds the configured reference level.

Returns

Returns the status code of this method. The status code either indicates success or describes a warning condition.