Anyone remember the National MB-150 all band (except 160 and maybe
WARC) network?
Wonder if there is something like it for 2kW or so that matched 50ohms.
73
Bill wa4lav
At 05:48 PM 2/15/2006 +0100, Peter Chadwick wrote:
>Chuck asked:
> >what would it take to do a electronic(no moving parts) bandswitch??<
>If you're talking tubes, it's interesting. PIN diodes are available that
>withstand 2000 volts, so for say a pair of 3-500Z at 3000 volts, you'd
>need at least 3 in series. But then the problem comes of the current,
>since you'd need to handle 20 amps or so, which would eman a pretty big
>current through the PIN.
>I would use the old fashioned Ledex, or motorise a regular switch.
>73
>Peter G3RZP
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