[Lowfer] A lesson for you...
Ed Phillips
[email protected]
Wed, 09 Jan 2002 16:41:53 -0800
Lyle Koehler wrote:
>
> After frying my homebrew LF preamp a couple of times, I put back-to-back
> power diodes (something like 1N4002s) across the preamp output. The diodes
> might not hold up very long, but on a couple of occasions the combination of
> the diodes and the rig's SWR protection circuitry bought me enough time to
> realize that I was doing something dumb.
>
> My present rig has a separate receive-only antenna connector. That seems to
> be idiot proof enough even for my use...
>
> Lyle, K0LR
My NRD-535D has never been quite the same after I transmitted into
it!!! Surprisingly, still works with low sensitivity but useful for 75
meter phone and all WWV channels.
Ed