Ring_Ref - Keithley S530 Option Manual

Section 3: Software Reference

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:
3-6
S530 Parametric Test Systems Frequency Analysis Option Manual
Inputs Type Description
vcc_pin int
Pin number of V
vccb_pin int
Pin number of V
vss_pin int
Pin number of V
out_pin int Pin number of signal output pin
vcc double
Voltage of V
vccb double
Voltage of V
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
pin
cc
pin
ccb
pin
ss
cc
ccb
S530-923-01 Rev. A / January 2014