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Total 3 documents matching your query.

1. [Amps] T-R switching (score: 1): Author: kg7hf@comcast.net; Date: Thu, 30 Aug 2007 02:34:03 +0000; Greetings, I preface this with I am not a EE (I write code for a living) ;) With the help of a few books, I have attempted to design and build a circuit, but I am having trouble making it work consis; /archives//html/Amps/2007-08/msg00253.html (7,890 bytes)
2. Re: [Amps] T-R switching (score: 1): Author: Steve Thompson <g8gsq@eltac.co.uk>; Date: Thu, 30 Aug 2007 07:58:51 +0100; Sounds very much like rf is getting into things. I can't see how Z1/T17 are being damaged by dc in the circuit if the control input is a switch to ground as you show. I suggest you add 10nF disc cera; /archives//html/Amps/2007-08/msg00256.html (8,626 bytes)
3. Re: [Amps] T-R switching (score: 1): Author: "Tom Rauch" <w8ji@contesting.com>; Date: Thu, 30 Aug 2007 10:13:58 -0400; You might have a wiring error, but you have also broken basic rules of interfaces. You don't have any significant impedance (resistance) in the path from the external switch wiring through the zener; /archives//html/Amps/2007-08/msg00259.html (9,099 bytes)

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