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Total 19 documents matching your query.

1. [AMPS] Linear with 4CX800A (score: 1): Author: hggule@online.no (Harald Garberg Gule); Date: Sat, 06 Sep 1997 14:12:03 -0700; The Communications Quarterly Winter 1995 issue have one article on using the 4CX 1600B. While on this subject, do anyone know if there is any problem related to using 2 each 4cx 800A in class AB1. I; /archives//html/Amps/1997-09/msg00109.html (8,633 bytes)
2. [AMPS] Linear with 4CX800A (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Sat, 06 Sep 1997 08:48:31 EDT; On Sat, 06 Sep 1997 14:12:03 -0700 Harald Garberg Gule <hggule@online.no> writes: The Alpha 91b and the QRO HF2500DX both use a pair of 4CX800's Harald. It might be to your advantage to obtain the in; /archives//html/Amps/1997-09/msg00111.html (10,062 bytes)
3. [AMPS] Linear with 4CX800A (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Sat, 6 Sep 1997 09:39:53 +0000; "Power on a Budget" by W6FR was a very good article, but I'd suggest a few changes. First, the auto bias circuit has a slow rise time because the 1 mFd capacitor at D1's cathode has to charge throug; /archives//html/Amps/1997-09/msg00113.html (10,764 bytes)
4. [AMPS] Linear with 4CX800A (score: 1): Author: measures@vc.net (Rich Measures); Date: Sat, 6 Sep 97 11:10:02 -0800; - Considerations - 1.. Grid current -/- make the bias V adjustable, and set it for virtually zero grid current with max. drive applied. / Using the bias V adj. to increase ZSAC results in grid curre; /archives//html/Amps/1997-09/msg00120.html (10,065 bytes)
5. [AMPS] Linear with 4CX800A (score: 1): Author: km1h@juno.com (km1h @ juno.com); Date: Sat, 06 Sep 1997 18:51:52 EDT; bias V adj. Here we go again! HORSEFEATHERS Rich. Lets get off the theoretical and into the living world. Use a fixed voltage screen supply and vary the bias for proper idle current. It is easy and r; /archives//html/Amps/1997-09/msg00123.html (8,798 bytes)
6. [AMPS] Linear with 4CX800A (score: 1): Author: measures@vc.net (Rich Measures); Date: Sat, 6 Sep 97 16:59:32 -0800; best way Decreasing the grid bias V to a value lower than the peak RF driving voltage causes grid current to flow. Does Svetlana say that it's kosher to run grid current on the specification sheets,; /archives//html/Amps/1997-09/msg00127.html (9,935 bytes)
7. [AMPS] Linear with 4CX800A (score: 1): Author: w8ik@ibm.net (Joe Subich, W8IK); Date: Sat, 06 Sep 1997 22:19:32 -0400; If you are going to continue holding yourself out as the final arbiter of the right and wrong of amplifier design, and deride those with significantly more experience than you as "recognized experts,; /archives//html/Amps/1997-09/msg00130.html (11,001 bytes)
8. [AMPS] Linear with 4CX800A (score: 1): Author: km3g@cts.com (Lane C. Zeitler); Date: Sun, 7 Sep 1997 19:45:43 -0700; I recently requested a manual for the QRO amp that runs a pair of the subject tetrodes. Response was only after a fresh $50.00 is rcv'd. I declined. That's a lot of money for a schematic and parts li; /archives//html/Amps/1997-09/msg00132.html (10,271 bytes)
9. [AMPS] Linear with 4CX800A (score: 1): Author: gdaught6@leland.Stanford.EDU (George T. Daughters); Date: Sun, 7 Sep 1997 04:16:43 +0800; hi lane, well, yes, it's a lot for a schematic and parts list. but remember, they are in the business of bulding these things and trying to sell them at a viable profit. having spent *many* hours doi; /archives//html/Amps/1997-09/msg00133.html (8,878 bytes)
10. [AMPS] Linear with 4CX800A (score: 1): Author: philk5pc@connect.net (Phil Clements); Date: Sat, 6 Sep 1997 23:50:42 -0500; snip...... So far, so good.....but throwing stones from the protection of a glass house is not good operatinf practice, methinks. Absolutely correct.....several numbers to "plug in here".... You just; /archives//html/Amps/1997-09/msg00134.html (13,161 bytes)
11. [AMPS] Linear with 4CX800A (score: 1): Author: measures@vc.net (Rich Measures); Date: Sat, 6 Sep 97 22:21:18 -0800; 'Pretty Boy' Floyd said that some men will rob people with a pistol, and other men rob people with a fountain pen. Rich-- R. L. Measures, 805-386-3734, AG6K -- FAQ on WWW: http://www.contesting.com/; /archives//html/Amps/1997-09/msg00135.html (8,930 bytes)
12. [AMPS] Linear with 4CX800A (score: 1): Author: measures@vc.net (Rich Measures); Date: Sat, 6 Sep 97 22:21:21 -0800; Mr. Subich: RE: Experience: When Charles Thomas Rauch, Junior was in 5th Grade, I finished the construction of amplifier number-one. RE: 'Experts'. In the 9/94 issue of QST. [p.72]: Quoting Mr. Rauc; /archives//html/Amps/1997-09/msg00136.html (12,197 bytes)
13. [AMPS] Linear with 4CX800A (score: 1): Author: w8ik@ibm.net (Joe Subich, W8IK); Date: Sun, 07 Sep 1997 09:34:37 -0400; Unfortunately, I wrote relatively late and didn't bother to go back to the refereence table ... I had chosen the 3-500Z/3-1000Z tube case because the two were generally operated at very similar plate; /archives//html/Amps/1997-09/msg00139.html (9,450 bytes)
14. [AMPS] Linear with 4CX800A (score: 1): Author: measures@vc.net (Rich Measures); Date: Sun, 7 Sep 97 07:46:59 -0800; ... an excursion down the river that flows between Lake Victoria and the Mediterranean Sea. R. L. Measures, 805-386-3734, AG6K -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@; /archives//html/Amps/1997-09/msg00140.html (9,249 bytes)
15. [AMPS] Linear with 4CX800A (score: 1): Author: KR4DAGRIP@aol.com (KR4DAGRIP@aol.com); Date: Sun, 7 Sep 1997 12:21:19 -0400 (EDT); << "Power on a Budget" by W6FR was a very good article, but I'd suggest a few changes. First, the auto bias circuit has a slow rise time because the 1 mFd capacitor at D1's cathode has to charge thro; /archives//html/Amps/1997-09/msg00147.html (9,432 bytes)
16. [AMPS] Linear with 4CX800A (score: 1): Author: phil@two-way.demon.co.uk (philip de cadenet); Date: Sun, 7 Sep 1997 16:02:05 +0100; I recently purchased the 8K Ultra book from Ted @ $25. (((73))) Phil G4ZOW/M -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUE; /archives//html/Amps/1997-09/msg00154.html (9,337 bytes)
17. [AMPS] Linear with 4CX800A (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Mon, 8 Sep 1997 08:27:35 +0000; To: <amps@contesting.com> The article by W6RF in Com Quart was technically excellent, except for the attack time constant error in the auto bias system. I do not think amplifiers should be designed; /archives//html/Amps/1997-09/msg00159.html (9,392 bytes)
18. [AMPS] Linear with 4CX800A (score: 1): Author: G3SEK@ifwtech.demon.co.uk (Ian White, G3SEK); Date: Mon, 8 Sep 1997 19:36:36 +0100; I should think there would be enormous interest! Having just written an article that tries to go into that depth of detail for just one part of an amplifier - the screen supply - I've learned just ho; /archives//html/Amps/1997-09/msg00176.html (9,358 bytes)
19. [AMPS] Linear with 4CX800A (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Tue, 9 Sep 1997 08:07:07 +0000; Hi Ian, It also prevents running off by oneself and "cooking up" non-sense, that no matter how incorrect, almost never dies. Once something has been published, it takes on a life of its own.... right; /archives//html/Amps/1997-09/msg00186.html (8,803 bytes)

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