[sdiy] Diode Matching
neil.johnson71 at gmail.com
Sat Apr 11 22:58:26 CEST 2020
In a ring modulator the diodes should be hard-on or hard-off. The carrier
signal should ideally be a perfect square wave. Anything other than that
and you're at the mercy of diode matching to reject the carrier.
On Sat, 11 Apr 2020 at 19:45, AlanP <alan.p at orcon.net.nz> wrote:
> On 11/04/2020 10:50 AM, Adam Inglis (sdiy) wrote:
> > I love the sound of diode ring modulators.
> > I seem to recall germanium diodes give better results?
> They have a lower forward voltage, and therefore less signal loss. They
> are also very temperature sensitive and have a big variation from diode
> to diode. I've also seen the likes of BAT85 used, for low Fv.
> Alan Podjursky
> "When in doubt, use brute force." -- Ken Thompson
> Synth-diy mailing list
> Synth-diy at synth-diy.org
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