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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*Topband\:\s+Oscillation\s+in\s+Narrow\s+band\s+tuned\s+antenna\.\s*$/: 5 ]

Total 5 documents matching your query.

1. Topband: Oscillation in Narrow band tuned antenna. (score: 1)
Author: Rune Øye <rune.e.oye@gmail.com>
Date: Wed, 13 Jan 2021 12:13:25 +0100
Hi all and HNY. I have been told that Oscillation in Narrow tuned antennas can occur and make damage to your equipment, radio or amplifier. It is really the first time I have heard about this potenti
/archives//html/Topband/2021-01/msg00130.html (7,359 bytes)

2. Re: Topband: Oscillation in Narrow band tuned antenna. (score: 1)
Author: GEORGE WALLNER <aa7jv@atlanticbb.net>
Date: Wed, 13 Jan 2021 11:38:27 -0500
Rune, "Out of the blue" output transistor failures have been happening in SS PA-s. There are lots of discussions of the possible reasons on the various forums, ranging form overdrive, thermal issues
/archives//html/Topband/2021-01/msg00131.html (10,475 bytes)

3. Re: Topband: Oscillation in Narrow band tuned antenna. (score: 1)
Author: "Richard (Rick) Karlquist" <richard@karlquist.com>
Date: Wed, 13 Jan 2021 08:54:34 -0800
I have been told that Oscillation in Narrow tuned antennas can occur and make damage to your equipment, radio or amplifier. It is really the first time I have heard about this potential issue. On 16
/archives//html/Topband/2021-01/msg00132.html (8,462 bytes)

4. Re: Topband: Oscillation in Narrow band tuned antenna. (score: 1)
Author: Jim Borowski <jim.gmforum@gmail.com>
Date: Wed, 13 Jan 2021 11:32:11 -0600
I think the word Oscillation was the wrong word to use. Usually it is noticable and happens on 160m.  It is more like RF feeding back on a loop causing a high SWR and you tune that out and the amp ci
/archives//html/Topband/2021-01/msg00133.html (7,375 bytes)

5. Re: Topband: Oscillation in Narrow band tuned antenna. (score: 1)
Author: Jim Brown <jim@audiosystemsgroup.com>
Date: Wed, 13 Jan 2021 11:17:21 -0800
There is no such thing as a "ground loop." Failure to do proper grounding and bonding is epidemic. 73, Jim K9YC _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Ref
/archives//html/Topband/2021-01/msg00134.html (7,817 bytes)


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