Freq_Measure_Next - Keithley S530 Option Manual

Section 3: Software Reference

freq_measure_next

Purpose:
Format:
int freq_measure_next( double *freq_result, double *amp_result );
Parameters:
Returns:
Remarks:
Example:
double freq;
double ampltd;
double freq_next;
double ampltd_next;
.
.
.
Status1 = freq_init( );
Status2 = freq_setup(20e6, 850e6, 1e6);
status3 = freq_measure(&freq, &ampltd);
status4 = freq_measure_next(&freq_next, &ampltd_next);
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S530 Parametric Test Systems Frequency Analysis Option Manual
This routine returns the frequency and amplitude of the next highest peak in the
frequency spectrum.
None
This command returns a 1, if executed without error; otherwise, a negative
number is returned to indicate an error.
freq_result
measured frequency in Hz
amp_result
measured amplitude in dB
The scope card must be initialized before using the freq_measure_next
command.
S530-923-01 Rev. A / January 2014