[sdiy] non-mechanical switching solutions

Mattias Rickardsson mr at analogue.org
Tue Jun 28 23:49:40 CEST 2016


I've had similar construction dilemmas and sadly/intriguingly this might be
the best solution so far:

Den 27 juni 2016 4:49 em skrev "Gordonjcp" <gordonjcp at gjcp.net>:
>
> Your nine pole rotary switch is by far the most expensive component.
Opamps are cheap, discrete trannies are cheap, passives are hell of a cheap.
>
> Build four filters, one with each capacitance range, and pick whichever
output you want to use.  If you use surface-mount parts the whole thing
will still be smaller than the original.

:-)

/mr
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