[time-nuts] NIST frequency doubler

[SAIDJACK at aol.com]

In a message dated 7/9/2007 18:34:30 Pacific Daylight Time,  
bruce.griffiths at xtra.co.nz writes:

>Since JFETS have a relatively large spread in characteristics  individual 
>adjustments are  required.

>Bruce



Thanks again Bruce,
 
I am not a big fan of Jfets... Prefer Mosfets or Bipolars..
 
There are some ultra-low-noise Audio Jfets such as the dual LSK389:
 
_http://www.linearsystems.com/products.html#GlossD_ 
(http://www.linearsystems.com/products.html#GlossD) 
 
I wonder if these work well at 5/10MHz...
 
bye,
Said



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