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Total 5 documents matching your query.

1. TopBand: RE: loops and preamps (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Tue, 7 Oct 1997 08:23:21 +0000; Hi Peter, How do you avoid unwanted common mode excitation of the push-pull follower? High input Z amps, especially those with ground referenced supply and signal leads (generally the case with tubes; /archives//html/Topband/1997-10/msg00085.html (8,050 bytes)
2. TopBand: RE: loops and preamps (score: 1): Author: n7cl@mmsi.com (Eric Gustafson); Date: Tue, 7 Oct 1997 13:35:16 -0700; To: <topband@contesting.com> special precautions. Hi Tom, Actually, I should have defined what I meant by "small". I have been playing with shielded untuned multiturn loops of approximately 0.5 mete; /archives//html/Topband/1997-10/msg00097.html (10,400 bytes)
3. TopBand: RE: loops and preamps (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Wed, 8 Oct 1997 20:01:06 +0000; The shield is unnecessary anyway, if the antenna is properly coupled to the amplifier. It's a "wives tale" that noise is electric field dominant, and an even bigger "wive's tale" that the shield sto; /archives//html/Topband/1997-10/msg00124.html (9,388 bytes)
4. TopBand: RE: loops and preamps (score: 1): Author: K3BU@aol.com (K3BU@aol.com); Date: Thu, 9 Oct 1997 19:15:48 -0400 (EDT); << The real effect of the shield is the shield itself becomes the antenna, and the coil inside simple extracts energy from the shield (the "real" antenna)! >> Huh???? So why is the max gain in the pl; /archives//html/Topband/1997-10/msg00148.html (8,000 bytes)
5. TopBand: RE: loops and preamps (score: 1): Author: w8jitom@postoffice.worldnet.att.net (w8jitom@postoffice.worldnet.att.net); Date: Fri, 10 Oct 1997 09:41:29 +0000; Let me answer that question with another question. Why would the pattern change directions when the shield and the internal wires are all in the same plane? Do you think a one turn loop loop has a d; /archives//html/Topband/1997-10/msg00154.html (9,444 bytes)

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