[time-nuts] Some FTS1000 questions

[Bruce Griffiths]

You could use either the NIST CG JFET doubler or its bipolar CB equivalent.

Bruce
> On 11 September 2020 at 08:43 Tobias Pluess <tpluess at ieee.org> wrote:
> 
> 
> Dear colleagues
> 
> I recently got a FTS1000 oscillator. (Not FTS1000A or B, but just FTS1000,
> I assume it is the first version). It is a very nice unit, but I wanted to
> know a bit more about its construction and opened it.
> After I had replaced the foam which was already quite dissolved, I began
> reverse engineering the output amplifier.
> Has someone perhaps already done that?
> I was thinking about whether it would be possible to replace the output
> amplifier with one that has an integrated doubler (as my unit is a 5MHz
> version).
> 
> BR
> Tobias
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