[Boatanchors] How to Protect from Nearby Transmitter?

Rob Atkinson ranchorobbo at gmail.com
Mon Dec 4 09:47:45 EST 2017


kill the dc to the preamp on transmit.

rob
k5uj

On Mon, Dec 4, 2017 at 5:37 AM, David Stinson <arc5 at ix.netcom.com> wrote:
> This is a Palomar LP-1 loop amplifier.  It works
> well listening to Longwave.  The last time I
> transmitted near it (75 mtrs), it blew the FETs.
> The diodes didn't do the job.  How can I protect
> the amplifier from a nearby 472 KC transmitter?
> Use a fast MOSFET to short the loop on transmit?
>


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