Re: [time-nuts] Fluke/Pendulum PM6680/CNT-80 measurement instability/outliers

2017-12-15 Thread Attila Kinali
On Thu, 14 Dec 2017 22:08:01 -0600 Bill Byrom wrote: > I have a few questions about your setup: > (1) What is the waveform shape you are measuring? Are you measuring a > square wave (or some other duty cycle waveform with fast rise and > falling edges)? Or is it a sinewave

Re: [time-nuts] Fluke/Pendulum PM6680/CNT-80 measurement instability/outliers

2017-12-14 Thread Bill Byrom
I have a few questions about your setup: (1) What is the waveform shape you are measuring? Are you measuring a square wave (or some other duty cycle waveform with fast rise and falling edges)? Or is it a sinewave with low harmonic content? (2) How is the counter voltage threshold set with respect