[time-nuts] oscillator choice question

Bob Camp lists at rtty.us
Sun May 2 20:23:03 UTC 2010


Microwave radio suggests low spurs and often low phase noise. That's on top of the stability requirements.

In terms of stability a good Z3801 will run rings around a garden variety Thunderbolt. Both are significantly better on phase noise than a "garden variety" OCXO. You will need a *very* good OCXO to get to the performance level of either one. The 10811 is probably the easiest thing to both identify and find. You see them selling anywhere from $100 to $200 depending on just how patient you are.


On May 2, 2010, at 4:13 PM, chris at yipyap.com wrote:

> Bob asks a reasonable question:
>> What kind of accuracy are you trying to obtain?
>> Bob
> I would like to end up with something that is usable
> on a home electronics workbench.  Something like a
> Z3801.  Something I can use if I ever try to do some
> goofing around with microwave radio operation.
> I'm not serious enough to want to spend hundreds
> on a working unit.  On the other hand, lashing up
> something that works would count toward my
> hobby/education so then it is ok to spend a little
> bit of money.
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