Write-only

Learn about Noise Parameters

Description

Saves the S-parameters and vector noise parameters to an S2P file. For NFX channels, mixer setup information is included as comments at the beginning of the file.

The following is sample data for two data points in a Noise Figure channel:

! Keysight Technologies,N5242A,USxxxxxxx,A.09.85

! pnan-nn Thu Nov 01 12:26:27 2012

# HZ S MA R 50

!freq (Hz)   S11M            S11A           S21M         S21A           S12M          S12A         S22M           S22A

2000000000 9.038147e-001 6.241193e+001 5.855965e+000 -6.116778e+001 2.232653e-002 -1.475392e+002 5.275644e-001 1.750775e+002

8000000000 6.951366e-001 -1.458202e+002 5.307699e+000 -7.055212e+001 7.838612e-002 -1.460951e+002 3.986142e-001 -2.226317e+001

! Noise Parameters

!freq (Hz)   NFMin(dB)      Rho_opt(Mag)      Rho_opt(deg)      Rn/Z0

2000000000 1.251697e+000 2.172018e-001 -8.765875e+001 1.806663e-001

8000000000 1.583849e+000 2.015185e-001 1.029875e+002 1.320403e-001

 VB Syntax

nf.WriteSnPData (data, filename)

Variable

(Type) - Description

nf

A NoiseFigure (object)

data

(string) - Choose "NoiseParameter" - Noise parameter data

The format of the snp data is set with SnPFormat Property

filename

Path, filename and suffix of location to store SNP data.

Return Type

Not Applicable

Default

Not Applicable

Examples

nf.WriteSnPData "NoiseParameter","C:\Program Files(x86)\Keysight\Network Analyzer\Documents\MyNoiseParams.s2p"

C++ Syntax

HRESULT WriteSnPData(BSTR data, BSTR filename);

Interface

INoiseFigure7