[sdiy] circuit protection question

[blacet at blacet.com]

> With or without the polyfuse - is there any advantage to running a reverse
> rectifier diode to ground/antiparallel over running it in series with the
> supply line and are you just running one diode on one (positive?) rail or
> one on each rail?

---A series diode causes a 0.6V drop.

You need to protect both rails of course.
>
> Thanks.
>
> Justin
>
>
>
> -----Original Message-----
> From: David G. Dixon [dixon at interchange.ubc.ca]
> Received: 14.12.2010 06:42:53
> To: 'synth-diy DIY'
> Subject: [sdiy] circuit protection question
>
> Here's a question for the gurus:
>
> Do you generally bother with circuit protection, specifically against
> power
> rail reversal?
>
> If so, which technique do you typically use?
>
> I'm thinking: power rail, to polyfuse, to reverse rectifier diode (e.g.,
> 1N4001) to ground, to circuit.  The diode will protect the circuit while
> the
> polyfuse trips.  Does this seem like overkill?
>
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>
>
> _______________________________________________
> Synth-diy mailing list
> Synth-diy at dropmix.xs4all.nl
> http://dropmix.xs4all.nl/mailman/listinfo/synth-diy
>