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1. [Amps] Transistor Bias (score: 1): Author: "Gene Bigham" <jbigham2@kc.rr.com>; Date: Fri, 17 Oct 2003 16:26:32 -0500; I have been looking at various bias supplies for the 2sc2879 transistor. I am going to run 4 of them in my amp. An appealingly simple diagram shows a 7808 (8v @ 1 amp) regulator supplying bias for a; /archives//html/Amps/2003-10/msg00157.html (6,971 bytes)
2. Re: [Amps] Transistor Bias (score: 1): Author: "Steve Thompson" <g8gsq@qsl.net>; Date: Sat, 18 Oct 2003 12:23:16 +0100; It's a common, but poor, substitute for doing it properly. Have a read of http://www.ifwtech.co.uk/g3sek/tr-bias/tr-bias1.htm and/or look up some Motorola hf amp app. notes which use a circuit with a; /archives//html/Amps/2003-10/msg00159.html (8,172 bytes)
3. Re: [Amps] Transistor Bias (score: 1): Author: GGLL <nagato@arnet.com.ar>; Date: Sat, 18 Oct 2003 09:39:14 -0300; Hello Gene, you may try also another circuit, you can find it at a Motorola application note (sorry, but don't remember which, perhaps in a 300 watts out linear schematic?, maybe someone else in the; /archives//html/Amps/2003-10/msg00162.html (8,568 bytes)
4. Re: [Amps] Transistor Bias (score: 1): Author: "Steve Thompson" <steve@eltac.co.uk>; Date: Sat, 18 Oct 2003 12:18:43 +0100; It's a common, but poor, substitute for doing it properly. Have a read of http://www.ifwtech.co.uk/g3sek/tr-bias/tr-bias1.htm and/or look up some Motorola hf amp app. notes which use a circuit with a; /archives//html/Amps/2003-10/msg00166.html (8,070 bytes)
5. Re: [Amps] Transistor Bias (score: 1): Author: "Dr. William J. Schmidt, II" <bill@wjschmidt.com>; Date: Sat, 18 Oct 2003 12:06:20 -0500; You can find them here: http://www.communication-concepts.com/application_notes.htm ... check the EB104, which I recall has 4 power devices... Sincerely, Dr. William J. Schmidt, II K9HZ "Collector of; /archives//html/Amps/2003-10/msg00167.html (9,893 bytes)
6. Re: [Amps] Transistor Bias (score: 1): Author: Bill Turner <wrt@dslextreme.com>; Date: Sun, 19 Oct 2003 07:33:15 -0700; _________________________________________________________ EB104 deals with FET biasing. The original question was about bipolars. -- Bill, W7TI _______________________________________________ Amps ma; /archives//html/Amps/2003-10/msg00181.html (7,927 bytes)

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