Section 3: Software Reference
S530 Parametric Test Systems Frequency Analysis Option Manual
3-6
S530-923-01 Rev. A / January 2014
ring_ref
Purpose
: This algorithm detects the frequency that is closest to the specified reference, or target
frequency (see next figure). The span of the scan will be from 0.65 *
target_freq
to
1.35 *
target_freq
.
Parameters
:
Inputs
Type
Description
vcc_pin
int
Pin number of V
cc
pin
vccb_pin
int
Pin number of V
ccb
pin
vss_pin
int
Pin number of V
ss
pin
out_pin
int
Pin number of signal output pin
vcc
double Voltage of V
cc
vccb
double Voltage of V
ccb
target_freq double Target frequency that fundamental
frequency is expected to be
Outputs
Type
Description
Freq_fund double Measured fundamental frequency in
Hz
Amp_freak double Amplitude of the fundamental in dB
Figure 6: Detected peak and target sample
