Allan Variance Measurement
Mahesh N.
Bangalore, Karnataka

Mar 3, 2017
1 Post

Allan variance Measurement

Hi,

I have a Vectron EX-219 oscillator ( https://www.vectron.com/products/space/EX-219.pdf ) and I need to measure the stability of this oscillator. To be very specific I need to measure the allan deviation. I was wondering if I could use the GTX2200/GC2200 Time interval counter to do this measurement. The allan deviation number specified is 5X10^-11.

Is there a function that can be built for doing this measurement?

Any help in this regard is welcome.

rgds
mahesh

Orr K.
Irvine, CA

Apr 5, 2017
21 Posts

Re: Allan variance Measurement

Mahesh,

There is a software tool that can provide Allan Variation calculations for a set of data points, which would presumably be obtained from the GTX2200 instrument. Let me know if this helps.

http://www.phidgets.com/docs/Allan_Deviation_Primer#Calculation

Regards,
Orr



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