Date: Tue, 20 Apr 2010 18:59:20 -0700
From: jimlux <[email protected]>
Subject: Re: [time-nuts] GPS 1 PPS accuracy limits
>Do they have other requirements (Allan deviation? phase noise?)
>Over what time span do they want 4E-11 accuracy? 1 second, 1000 seconds,
>days?
>A synthesizer locked to a Stanford Research PRS10 (datasheet accuracy
>5E-11) is in that ballpark.
They have phase noise requirements, which aren't achievable for the price they
want to pay. But phase noise is determined by the OCXO and other circuitry.
I suspect the most likely answer is they wrote the spec wrong, and don't really
mean 1 Hz absolute accuracy. I'll talk to them and clarify.
_______________________________________________
time-nuts mailing list -- [email protected]
To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
and follow the instructions there.
