Freq_Measure - Keithley S530 Option Manual

S530 Parametric Test Systems Frequency Analysis Option Manual

freq_measure

Purpose:
Format:
Parameters:
Returns:
Remarks:
Example:
S530-923-01 Rev. A / January 2014
This routine measures frequency and amplitude of the strongest signal.
int freq_measure( double *freq_result, double *amp_result );
None
This command returns a 1, if executed without error; otherwise, a negative
number is returned to indicate an error.
freq_result
amp_result
The scope card must be initialized before using the freq_measure command.
double freq;
double ampltd;
.
.
.
Status1 = freq_init( );
Status2 = freq_setup(20e6, 850e6, 1e6);
Status3 = freq_measure(&freq, &ampltd);
measured frequency in Hz
measured amplitude in dB
Section 3: Software Reference
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