[time-nuts] 125 Mhz osc pair - noise profile

[Jeff Blaine]

> I've got a pair of 125 Mhz osc that I would like to see if someone 
> could measure the noise profile on.  I would be willing to pay for the 
> inconvenience if someone was willing.
>
> The first oscillator is a W6PQL design with an integrated OCXO. The 
> crystal was a low PN type designed for OCXO applications - back when 
> ICM was still in the biz.
>
> The second oscillator is a Conner Whitfield low noise VCXO module with 
> a MC BPF.
>
> These are used to drive a QS1R which I use for some close in 
> measurement stuff.  The same osc, after a pair of doublers, drives an 
> ADI DDS which I use as a sig source for some bench applications as well.
>
> But I never can be very sure what the observed results are out of 
> these two because both the QS1R & DDS performance depends on the 
> underlying master osc feeding them.
>
> My goal is not really to get a full time-nut level evaluation, but 
> rather some general indication of what the noise looks for the two 
> oscillators.  I don't have a way to check that here hence the question.
>
> 73/jeff/ac0c
>
> alpha-charlie-zero-charlie
> www.ac0c.com
>