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1. [RTTY] Bright Idea #99 (score: 1): Author: "Jack West" <w7ld@olypen.com>; Date: Sun, 19 Dec 2004 15:29:43 -0800; Hi All, I have been reading with interest the comments on using FSK. I run FSK exclusively on my old Kenwood TS-940 and I love it. I do not own an amplifier but I would like to try one. Myself being; /archives//html/RTTY/2004-12/msg00163.html (7,529 bytes)
2. Re: [RTTY] Bright Idea #99 (score: 1): Author: Jerry Flanders <jeflanders@comcast.net>; Date: Sun, 19 Dec 2004 23:43:06 +0000; A few years ago QST ran an article on a class "E" amp (might have been "D"). VERY efficient - better than 90%, I think (so cooling problems are minimized). A "switcher" at the operating freq, as I re; /archives//html/RTTY/2004-12/msg00164.html (8,187 bytes)
3. Re: [RTTY] Bright Idea #99 (score: 1): Author: George Johnson <w1zt@comcast.net>; Date: Sun, 19 Dec 2004 18:44:55 -0500; Jack, Yes, yes, yes, yes and yes. All true. And it would not matter how you originated the frequency shifted "carrier". (AFSK or FSK from the exciter). Both frequencies are not transmitted at the sam; /archives//html/RTTY/2004-12/msg00165.html (8,084 bytes)
4. Re: [RTTY] Bright Idea #99 (score: 1): Author: "Bill Turner" <dezrat1242@ispwest.com>; Date: Sun, 19 Dec 2004 16:04:33 -0800; There are some drawbacks to Class C: 1. If you don't make it GG you will have to neutralize it, a tricky bit of design work. 2. Your transceiver will have way too much drive unless it is QRP only. Yo; /archives//html/RTTY/2004-12/msg00166.html (8,418 bytes)
5. Re: [RTTY] Bright Idea #99 (score: 1): Author: Kok Chen <chen@mac.com>; Date: Sun, 19 Dec 2004 16:24:35 -0800; On Dec 19, 2004, at 3:43 PM, Jerry Flanders wrote: A few years ago QST ran an article on a class "E" amp (might have been "D"). VERY efficient - better than 90%, I think (so cooling problems are mini; /archives//html/RTTY/2004-12/msg00167.html (8,880 bytes)
6. Re: [RTTY] Bright Idea #99 (score: 1): Author: "radioman" <radioman@semarg.ath.cx>; Date: Sun, 19 Dec 2004 19:33:03 -0500; Not to be a kill joy.. but I believe there are other lists for this.. (yes I am mad cause a AMP fell on my contesting fun) hehehe.. Tony _______________________________________________ RTTY mailing l; /archives//html/RTTY/2004-12/msg00168.html (9,917 bytes)

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