S530 Parametric Test Systems Frequency Analysis Option Manual
Section 3: Software Reference
S530-923-01 Rev. A / January 2014
3-5
Outputs
Type
Description
freq
double Ring oscillator frequency, Hz; 1e30 if fails
level_freq
double Signal level, dB; 1e30 if fails
status
double
Measure status
1: valid measurement in the first try
n>0: valid measurement in n-th iteration
-2: level in the first measurement is
below noise_level
-3: next_measure status <0:
-4: level in the next measurement is
below noise level
-5: did not find the peak after 4 iterations
-6 did not find next peak after similar
iteration