[sdiy] Dual Matched N JFET from Linear

[Paul Perry]

Electrometer design is one application for matched fets, but there is also
a VCA that requires a matched pair:

https://www.edn.com/op-amp-linearizes-response-of-fet-vca/#:~:text=FETs%20find%20common%20use%20in,C%20is%20the%20control%20voltage
.

paul perry Melbourne Australia


On Sun, Jun 22, 2025 at 6:21 AM Mike Bryant <mbryant at futurehorizons.com>
wrote:

> One place you do see FETs quite a lot is the muting output of mixers -
> they kill thumps well without distorting the output signal.
>
>
> ------------------------------
>
> On 2025-06-21 12:53, René Schmitz wrote:
> > FETs have large unit to unit variations, good for one-off hobbyist or
> > space mission work, but
> > annoying to show-stopper for mass production. So you'll not see them
> > that often in the wild.
>
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