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1. [Amps] Bias Scheme (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Thu, 10 Apr 2008 18:38:38 -0700 (PDT); Several years ago, there was an article about using a 2N3055 as a switching transistor in the B- of a linear amp. The 2N3055 or it could have been a TIP49, was used to act as a "relay" when the trans; /archives//html/Amps/2008-04/msg00160.html (7,184 bytes)
2. Re: [Amps] Bias Scheme (score: 1): Author: Robert Morris <robrk@nidhog.net>; Date: Thu, 10 Apr 2008 21:55:00 -0400; Once upon a time there was a note about using a 3055ish transistor as a "pass" with a low wattage zenier on the base, making it think it was a high power, to supply bias. Gotta pack for a trip, befor; /archives//html/Amps/2008-04/msg00161.html (7,670 bytes)
3. Re: [Amps] Bias Scheme (score: 1): Author: Lee Buller <k0wa@swbell.net>; Date: Thu, 10 Apr 2008 19:24:50 -0700 (PDT); I am not thinking about EBS.... I am looking for a way to turn on the amp without using a relay. Like an optoisolator driving a transistor which would then turn on the amp. It was not a "pass" transi; /archives//html/Amps/2008-04/msg00162.html (7,358 bytes)
4. Re: [Amps] Bias Scheme (score: 1): Author: Steve Thompson <g8gsq@eltac.co.uk>; Date: Mon, 14 Apr 2008 08:01:17 +0100; Is this the sort of thing you're thinking of: http://www.somis.org/D-a-07B.jpg Steve _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com; /archives//html/Amps/2008-04/msg00188.html (7,091 bytes)

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