Thanks, Vic! Makes perfect sense. Yes, the PIN diodes are quite
expensive, especially for ones capable of handling much power.
73,
Kim N5OP
At 06:28 PM 4/1/2008, you wrote:
>Kim Elmore wrote:
>
> > But, this does lead to a question: are PIN diodes avoided simply
> > because using them is far more complex than relays, or is there some
> > other reason they aren't often used?
>
>The cost of the diodes and associated circuitry is more than a cheap
>relay. And they are susceptible to damage from lightning-created transients.
>
>I had an Alpha 86 with pin-diode switching that worked great. Never any
>problems. But a lot of Alpha users did have problems and at some point
>they started using vacuum relays. Someone who can afford a newer Alpha
>can tell us if they still do!
>--
>73,
>Vic, K2VCO
>Fresno CA
>http://www.qsl.net/k2vco
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