Ed: my understanding is you want just the opposite, slow recovery diodes
are needed. You don't want rectification to take place. 73, Dan, N5AR
Edward Pagaduan wrote:
>
> Ulytra Fast Recovery types are used i switching power supplies. Can these
> do the trick?
> 73
> Ed
>
> ----- Original Message -----
> From: dan hearn <dhearn@ix.netcom.com>
> To: <amps@contesting.com>
> Sent: Friday, June 16, 2000 3:05 AM
> Subject: [AMPS] Power Rectifiers as RF Switches
>
> >
> > It is obvious that there is a lot of interest in the use of power diodes
> > for RF switching. It is 5:45 am and I have 15 requests for the jpegs so
> > far. Fortunately, Skip May, WV6F asked for a copy and has volunteered to
> > put them on the sonic server at UC Davis. I am sending him the jpegs to
> > do that.
> > Let me state here that I have not tried the circuit and cannot
> > guarantee that you will not smoke your transceiver. I am confident of
> > K5CX skills and would try it with no hesitation. I would probably use my
> > scope to see how much R.F. gets thru to the xcvr input terminals
> > (replaced with a 50 ohm resistor). I might even run it into the
> > terminals of an external Palomar pre amp for safety (set for low gain so
> > as to not decrease the dynamic range of my xcvr.
> > Thanks to Skip for stepping forward to help and I hope to hear from
> > those who try the circuit. 73, Dan, N5AR
> >
> > --
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> > Problems: owner-amps@contesting.com
> >
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