At 07:17 AM 2/1/05 -0800, you wrote:
>
>At 03:13 PM 2/1/2005 -0000, you wrote:
>>Does anyone have, or know where I can get plans to homebrew a 144/440
>>MHz crossband coupler (aka "diplexer") ?? I would like to find
>>something with wideband characteristics (ie, low pass, high pass)
>>such as some of the diamond or comet models, but needs to be able to
>>handle 100 watts FM continuously from each band, without excessive
>>loss and without duplex noise, or little capacitors smoking. Any
>>suggestions, other than the Telewave models that cost over $300?
>
><---Comet and Diamond make several models that will work just fine. And
>they're definately cheaper!
>
I've tried running ham diplexers on 2m/440 repeater setups, and if
you keep the TX power on each band low, you MIGHT be OK - they aren't
designed for 100w CONTINUOUS TX, and they'll melt after some long-winded
nets. As it has been stated here plenty of times, you get what you pay
for. Use the commercial version - I have - it's well worth the bucks.
- Adam -
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