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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[Amps\]\s+T\/R\s+relay\s*$/: 3 ]

Total 3 documents matching your query.

1. [Amps] T/R relay (score: 1)
Author: Paul Decker <kg7hf@comcast.net>
Date: Thu, 26 May 2011 11:29:58 +0000 (UTC)
I need to build a T/R circuit for my 70 cm (432 Mhz) amp.  For the output relay I've got a tohtsu CX-800.   I need to find something to switch the exciter.  I have a bunch of RTE24012F relays and was
/archives//html/Amps/2011-05/msg00225.html (7,234 bytes)

2. Re: [Amps] T/R relay (score: 1)
Author: Steve Thompson <g8gsq72@gmail.com>
Date: Thu, 26 May 2011 22:45:24 +0100
I've used similar types at VHF with bits of capacitance to tune out the inductance of the internals but found them too touchy at UHF. There's also the issue of skin effect and how plating behaves at
/archives//html/Amps/2011-05/msg00236.html (7,420 bytes)

3. Re: [Amps] T/R relay (score: 1)
Author: Paul Decker <kg7hf@comcast.net>
Date: Fri, 27 May 2011 00:36:12 +0000 (UTC)
Thanks Steve, that is kinda what I figured.  I thought I tried them at VHF and didn't have any luck getting them to work. I found this one on digikey, it's a bit expensive though: http://search.digik
/archives//html/Amps/2011-05/msg00246.html (8,190 bytes)


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