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1. [Amps] feeding the input (score: 1): Author: "carl seyersdahl" <carlseye@tampabay.rr.com>; Date: Fri, 28 May 2004 11:21:42 -0400; When using rf negative feedback resistors, is there any difference between using 2 ten ohm resistors in series on one side of the fil. as opposed to using 2 resistors, one one each side, fed by two s; /archives//html/Amps/2004-05/msg00253.html (6,940 bytes)
2. Re: [Amps] feeding the input (score: 1): Author: peter.chadwick@Zarlink.Com; Date: Mon, 31 May 2004 11:44:05 +0100; Carl was asking about feedback resistors in cathode/filament circuits. The answer it that it seems to vary. The Mullard data sheet for the QY3-125 (which is basically a 6151/ 4-125, as opposed to 4D2; /archives//html/Amps/2004-05/msg00275.html (7,584 bytes)
3. Re: [Amps] feeding the input (score: 1): Author: "carl seyersdahl" <carlseye@tampabay.rr.com>; Date: Mon, 31 May 2004 21:06:57 -0400; I get the feeling that some may have misunderstood my question about the resistors. I was referring specifically to the RF negative feedback resistors as used in the ckts. per Mr. measures's pages. I; /archives//html/Amps/2004-06/msg00000.html (8,770 bytes)
4. Re: [Amps] feeding the input (score: 1): Author: peter.chadwick@Zarlink.Com; Date: Tue, 1 Jun 2004 07:35:25 +0100; Carl, Mtybe I didn't say it well enough. Which side of the filament the RF return (which is the input in g-g) goes to seems sometimes to be specified, and sometimes not. In the case of the 572B's, if; /archives//html/Amps/2004-06/msg00001.html (7,121 bytes)
5. Re: [Amps] feeding the input (score: 1): Author: wb8jkr@juno.com; Date: Wed, 2 Jun 2004 04:54:37 -0400; Since both sides of the filament are at (or should be) the same RF potential, I don't see where it would make any difference. Usually there is a capacitor connected acoss the filament to ensure both; /archives//html/Amps/2004-06/msg00003.html (10,637 bytes)
6. Re: [Amps] feeding the input (score: 1): Author: R.Measures <r@somis.org>; Date: Wed, 2 Jun 2004 02:52:24 -0700; On May 31, 2004, at 6:06 PM, carl seyersdahl wrote: I get the feeling that some may have misunderstood my question about the resistors. I was referring specifically to the RF negative feedback resist; /archives//html/Amps/2004-06/msg00004.html (10,560 bytes)

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