Scp_Measure - Keithley S530 Manual

Section 3: LPTLib command reference

scp_measure

This command measures the frequency and amplitude of the strongest signal.
Usage
int scp_measure(int instr_id, double *freq_result, double *amp_result)
instr_id
freq_result
amp_result
Details
The scope card must be initialized before using this command.
This command returns a 0 if executed without error; a negative number indicates an error.
Example
double freq;
double ampltd;
.
.
.
Status1 = scp_init(SCP1);
Status2 = scp_setup(SCP1, 20e6, 850e6, 1e6);
Status3 = scp_measure(SCP1, freq, ampltd);
This example shows how to measure the amplitude of the strongest signal.
Also see
scp_init (on page 3-67)
scp_setup (on page 3-70)
3-68
S530/S540 KTE Linear Parametric Test Library (LPTLib) User's Manual
The instrument identification code of the scope card
The measured frequency in Hertz (Hz)
The measured amplitude in decibels (dB)
S530-900-01 Rev. E / September 2017