[time-nuts] HP-106 and Sulzer Quartz Crystals

Bob Camp lists at rtty.us
Sun Dec 9 18:39:45 UTC 2012


The  interesting thing about cross correlation sources is that they don't need to be tuned. A fixed frequency device works just as well as one that's at exactly this or that frequency. There are a number of issues that creep into an OCXO based on the need to tune it. Simply put - the more stuff in the circuit the less likely it is to be quiet and stable. A source designed solely as a cross correlation reference *might* well do significantly better than a tuned OCXO. 


On Dec 9, 2012, at 11:53 AM, Magnus Danielson <magnus at rubidium.dyndns.org> wrote:

> On 09/19/2012 08:15 PM, Tom Knox wrote:
>> Hi Bob;
>> Actually a pair of each so you can cross-correlate against your DUT. I think for us Time-Nuts this is the system that differentiates it from a hobby and a disease.
> Oh, that is what I do with mine when I get a chance to... :)
> Cheers,
> Magnus - incurable? :)
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