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Total 28 documents matching your query.

21. [Amps] Alpha 77D anode choke swap? (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Sun, 22 Apr 2018 07:49:30 -0700; <I have doubts about 50 microhenries being adequate for 80 m. Well, it <might be okay if you used a tremendous amount of bypass capacitance <but I'd prefer more inductance, less capacitance. A couple; /archives//html/Amps/2018-04/msg00049.html (15,916 bytes)
22. [Amps] Alpha 77D anode choke swap? (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Tue, 24 Apr 2018 12:32:47 -0500; No pure resistive component to the imaginary number. Anything else? wire. It can handle more current. That doesn't reduce RF voltage to the power supply. 1500 pf @ 15 KV HEC doorknob cap. The 4700 p; /archives//html/Amps/2018-04/msg00053.html (9,348 bytes)
23. Re: [Amps] Alpha 77D anode choke swap? (score: 1): Author: Shane Youhouse <kd6vxi@gmail.com>; Date: Sun, 29 Apr 2018 07:08:42 -0700; I don't believe current capability was the point here. It was the inductance value. He was including the wire size as a gauge and to give a complete idea of what the choke was. You should do the math; /archives//html/Amps/2018-04/msg00057.html (12,565 bytes)
24. [Amps] Alpha 77D anode choke swap? (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Sat, 28 Apr 2018 12:17:52 -0700; No pure resistive component to the imaginary number. Anything else? wire. It can handle more current. That doesn't reduce RF voltage to the power supply. 1500 pf @ 15 KV HEC doorknob cap. The 4700 pf; /archives//html/Amps/2018-04/msg00059.html (14,688 bytes)
25. Re: [Amps] Alpha 77D anode choke swap? (score: 1): Author: Rob Atkinson <ranchorobbo@gmail.com>; Date: Mon, 30 Apr 2018 08:31:28 -0500; Exactly what math is this? Tell that to VE7RF You are correct, however that technique is usually applied in circuits such as extremely broad banded RF preamps and audio amplifier bypass to cover a f; /archives//html/Amps/2018-05/msg00000.html (8,045 bytes)
26. Re: [Amps] Alpha 77D anode choke swap? (score: 1): Author: donroden@hiwaay.net; Date: Mon, 30 Apr 2018 09:29:30 -0500; But, if your doing 15kw pep, you better have your imd down by 10 db more than the yoyo running an ameritron, or you'll instantly be run off the band. You won't do that with 30 uF of capacitance. Just; /archives//html/Amps/2018-05/msg00001.html (8,154 bytes)
27. [Amps] Alpha 77D anode choke swap? (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Mon, 30 Apr 2018 14:10:37 -0700; <You should do the math. <A 6200 pf cap would suck (in almost all cases, unless your having Draloric <build you custom caps) at 10 meters. <A high value and low value capacitor in parallel give diffe; /archives//html/Amps/2018-05/msg00002.html (12,178 bytes)
28. Re: [Amps] Alpha 77D anode choke swap? (score: 1): Author: Victor Rosenthal 4X6GP <k2vco.vic@gmail.com>; Date: Wed, 2 May 2018 17:09:32 +0300; _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps; /archives//html/Amps/2018-05/msg00003.html (6,654 bytes)

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