[time-nuts] Distribution amp - Use a video amp unit ?

Bruce Griffiths bruce.griffiths at xtra.co.nz
Mon Mar 26 05:55:21 UTC 2012


Charles P. Steinmetz wrote:
> Bruce wrote:
>
>> A circuit schematic for a current feedback triple with reasonably low 
>> noise and distortion is attached.
>
> One caution regarding the 100 uH inductor (L3) -- many inductors of 
> this value exhibit self-resonance below 10 MHz, so some care may be 
> necessary in selection.
>
> Best regards,
>
> Charles
>
EPCOS produce a suitable inductor with its first SRF around 20Mhz or so.
The inductor may be omitted if noise and loop gain isnt too critical.

Bruce




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