Hi

Unfortunately, even the numbers he quotes are going to be less than 
ideal if multiplied directly to 10 GHz. Will they be “good enough” for 
this or that? As always … that depends. It is rare to find any piece 
of commercial gear that does it that way.

Bob

> On Apr 2, 2021, at 4:38 AM, John Moran, Scawby Design 
> <j...@scawbydesign.co.uk> wrote:
> 
> Since low phase noise seems to be a main requirement here, this paper by 
> Jeremy Everard from York University may be of interest -
> 
> 'Ultralow Phase Noise 10-MHz Crystal Oscillators'
> 
> Available here -
> 
> https://ieeexplore.ieee.org/document/8540461
> 
> It also shows construction of a double oven system for it.
> 
> I believe Jeremy was working on sapphire oscillators 20 years ago when I 
> worked at York for a while.
> 
> John 
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