FreeLists / si-list / [SI-LIST] Ring Oscillator

["navaram kumar" <knavaram@xxxxxxxxx>]

Hi all
I am designing a ring oscillator , my problem is that the output frequency
of a practical ring oscillator may vary(say +/-5 % around the expected freq)
i.e i have to get afreq vs time plot to measure jitter, settling time
etc.But using Hspice i dont know how can i find the freq which may change
with time.The time period may differ from one cycle to the next in the
output, so i have to measure the period for every consecutive cycle for
about 1000 cycles.the only way i got to know is using 1000 .measure
statements. however i wish to know if there is abetter way of doing this?
Thanks &Regards
K.Navaram Kumar

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