[sdiy] Ring Modulators with Zener Rings.

[Mattias Rickardsson]

Clever analysis, Matthew! :-)

/mr
Den 21 apr. 2016 5:21 fm skrev <mskala at ansuz.sooke.bc.ca>:

> On Wed, 20 Apr 2016, alfred.pear at gmail.com wrote:
> > I also experimented with some 5.1 zener diodes and it didn't seem that
> > different from a non-zener..any ideas?
>
> Every diode in the ring is in parallel with the series combination of the
> other three diodes in the opposite direction.  So in order to hit 5.1V
> reverse voltage across one diode in the ring, you have to put at least a
> third of that, or 1.7V, in the forward direction across at least one of
> the other diodes.  You can't do that to a silicon diode without destroying
> it.  So about all you can expect from Zener diodes substituted into a ring
> modulator is that they'll behave like ordinary silicon diodes; they'll
> never hit the voltage range where the Zener effect becomes relevant.
>
> --
> Matthew Skala
> mskala at ansuz.sooke.bc.ca                 People before principles.
> http://ansuz.sooke.bc.ca/
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