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Total 12 documents matching your query.

1. [AMPS] parasites prove it? (score: 1): Author: irosky@yahoo.com (igor rosky); Date: Thu, 10 Jun 1999 20:21:02 -0700 (PDT); I have followed this debate with great interests, almost to a point of confusion. I must admit i use the nichrome suppresors in a 8171. My only point on this is, why does not the two parties get toge; /archives//html/Amps/1999-06/msg00356.html (8,595 bytes)
2. [AMPS] parasites prove it? (score: 1): Author: ezed@aloha.net (Edward Pagaduan); Date: Thu, 10 Jun 1999 19:06:20 -1000 (HST); -- FAQ on WWW: http://www.contesting.com/ampfaq.html Submissions: amps@contesting.com Administrative requests: amps-REQUEST@contesting.com Problems: owner-amps@contesting.com Search: http://www.cont; /archives//html/Amps/1999-06/msg00360.html (9,787 bytes)
3. [AMPS] parasites prove it? (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Fri, 11 Jun 1999 09:45:24 +0100; techniques to quite down these big tubes There was a book by W. O. Brown of Marconi, probably long out of print now. He had a whole chapter on parasitics, and one technique for high power ( 50kW and; /archives//html/Amps/1999-06/msg00365.html (8,612 bytes)
4. [AMPS] parasites prove it? (score: 1): Author: measures@vc.net (Rich Measures); Date: Fri, 11 Jun 1999 03:00:11 -0700; ? Or so we thought. . . When it looked like the parasite controversy was going erupt, I wrote a letter to *QST* Editor Mark Wilson recommending that the ARRL Lab. measure the characteristics of copp; /archives//html/Amps/1999-06/msg00368.html (10,508 bytes)
5. [AMPS] parasites prove it? (score: 1): Author: itr@nanoteq.co.za (Ian Roberts); Date: Fri, 11 Jun 1999 14:38:00 +0200; Has anyone tried lining the input or output cavities of PAs with the "lossy" material used in anechioc chambers to suppress RF reflections? The effect is to reduce the "Q" of the cavity, so that inst; /archives//html/Amps/1999-06/msg00376.html (8,602 bytes)
6. [AMPS] parasites prove it? (score: 1): Author: Peter_Chadwick@mitel.com (Peter Chadwick); Date: Fri, 11 Jun 1999 13:53:49 +0100; the I suspect few people with HF amplifiers have PA compartments big enough to be a cavity in the VHF region where parasitics occur. I believe that Jon, KE9NA, felt that he may have had a problem of; /archives//html/Amps/1999-06/msg00377.html (8,264 bytes)
7. [AMPS] parasites prove it? (score: 1): Author: measures@vc.net (Rich Measures); Date: Fri, 11 Jun 1999 06:27:03 -0700; ? I recommend using a 3" dia. resistance-wire suspended loop to dampen the output compartment resonance, esp. in the TL-922, 3K-A and 2K-4. ? However, one would still have to deal with the anode-cir; /archives//html/Amps/1999-06/msg00379.html (9,042 bytes)
8. [AMPS] parasites prove it? (score: 1): Author: RFpower@radiodan.com (Radiodan W7RF); Date: Fri, 11 Jun 1999 08:06:21 -0700; Rich quoted: Physician, heal thyself. 73, Dan Magro W7RF, (President WARC 1999, member SCDXC, SCCC) Manufacturers Rep & Distributor for HENRY RF Power Amplifiers. www.radiodan.com <http://www.radioda; /archives//html/Amps/1999-06/msg00390.html (8,676 bytes)
9. [AMPS] parasites prove it? (score: 1): Author: measures@vc.net (Rich Measures); Date: Fri, 11 Jun 1999 10:09:37 -0700; ? Mr. Magro: Are you prepared to discuss Mr. Rauch's contention that in a VHF parasitic-suppressor standard AC circuit-analysis can not be used to determine current division?. Rich... R. L. Measures; /archives//html/Amps/1999-06/msg00393.html (8,565 bytes)
10. [AMPS] parasites prove it? (score: 1): Author: jono@enteract.com (Jon Ogden); Date: Mon, 14 Jun 99 08:47:08 -0500; While this may have worked in those amplifiers, it did nothing in my 4-1K amp when I had the problem. 73, Jon KE9NA -- The Second Amendment is NOT about duck hunting! Jon Ogden jono@enteract.com www; /archives//html/Amps/1999-06/msg00430.html (8,309 bytes)
11. [AMPS] parasites prove it? (score: 1): Author: jono@enteract.com (Jon Ogden); Date: Mon, 14 Jun 99 08:47:03 -0500; Hi Ian, Good idea. The problem with it though is that most absorber type material is designed for high UHF or microwave use. I suppose that absorber at HF could be manufactured but it might be kind; /archives//html/Amps/1999-06/msg00431.html (10,150 bytes)
12. [AMPS] parasites prove it? (score: 1): Author: measures@vc.net (Rich Measures); Date: Sun, 20 Jun 1999 10:44:48 -0700; ? When it looked like the parasite controversy was smouldering, I wrote a letter to *QST* Editor Mark Wilson recommending that the ARRL Lab. measure the characteristics of copper-wire suppressors vs; /archives//html/Amps/1999-06/msg00536.html (10,822 bytes)

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