Write/Read
About SA Application

SourceStartFrequency Property


Description

Set and read the source start frequency.

VB Syntax

sa.SourceStartFrequency (source) = value

Variable

(Type) - Description

sa

A SpectrumAnalyzer (object)

source

(String) Source name enclosed in quotes. Use SourcePortNames to read a list of available source port names. See also Remotely Specifying a Source Port.

value

(Double)  Start frequency in Hz. Choose a value within the frequency range of the analyzer.

Return Type

Double

Default

Start frequency of the analyzer.

Examples

sa.SourceStartFrequency("Port 1") = 1e9   'Write

value = sa.SourceStartFrequency("Port 1") 'Read

See an example program.

C++ Syntax

HRESULT put_SourceStartFrequency(BSTR sourcename, double frequency);

HRESULT get_SourceStartFrequency(BSTR sourcename, double* frequency);

Interface

ISpectrumAnalyzer