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Total 29 documents matching your query.

21. [AMPS] Chokes (score: 1): Author: philk5pc@tyler.net (Phil Clements); Date: Mon, 13 Mar 2000 13:14:25 -0600; Okay, guys...I am now the proud owner of a R.F. Communications, Inc. (is this not now Harris?) Model RF130-AR amp. There must be 100's if not 1,000's of these things in the field. This amp is auto/ma; /archives//html/Amps/2000-03/msg00639.html (8,631 bytes)
22. [AMPS] Chokes (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 14 Mar 2000 08:14:38 -0500; Hi Marv, Resonant or not, the choke current is high and it varies at a RF rate. I'd be really careful what ferrite I used around the choke, no matter how "loosely coupled" the "choke designer" claims; /archives//html/Amps/2000-03/msg00658.html (10,265 bytes)
23. [AMPS] Chokes (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 14 Mar 2000 08:14:38 -0500; The inductance less than ten times what it would be with only air. I expect we would find powdered iron inside, and not off-the-shelf ferrite rods. 73, Tom W8JI w8ji@contesting.com -- FAQ on WWW: ht; /archives//html/Amps/2000-03/msg00660.html (8,250 bytes)
24. [AMPS] Chokes (score: 1): Author: wc6w@juno.com (Radio WC6W); Date: Tue, 14 Mar 2000 12:17:36 EST; On Tue, 14 Mar 2000 08:14:38 -0500 "Tom Rauch" <w8ji@contesting.com> writes: Hi Tom, No but, it does leave a lot of latitude... My Fair-Rite catalog (13th ed. p. 10) shows about a Q of 85 at 10 MHz,; /archives//html/Amps/2000-03/msg00670.html (10,877 bytes)
25. [AMPS] Chokes (score: 1): Author: W8JI@contesting.com (Tom Rauch); Date: Tue, 14 Mar 2000 20:12:40 -0500; Hi Marv, I don't have that catalog, but the ratio of parallel resistance to reactance in the charts I have shows 61 material has a ratio of ten at ten MHz. When I look up the specs on 61 shield beads; /archives//html/Amps/2000-03/msg00682.html (9,363 bytes)
26. [Amps] chokes (score: 1): Author: "carl seyersdahl" <carlseye@tampabay.rr.com>; Date: Fri, 5 Dec 2003 07:18:53 -0500; This is just a comment on separate plate chokes. My diagram for the Collins 30L1 shows only two chokes for four tubes.!! two tubes for one choke. Does that amp have any problems in that respect.?? Ju; /archives//html/Amps/2003-12/msg00059.html (6,762 bytes)
27. RE: [Amps] chokes (score: 1): Author: "David Harmon" <K6XYZ@comcast.net>; Date: Fri, 5 Dec 2003 16:31:49 -0800; What you are looking at is Z1 & Z2 the "parasitic" suppressors. The single plate choke for all 4 tubes is L44. Regards Dave Harmon NSRCA 586 K6XYZ@comcast.net Torrance, Ca. This is just a comment on; /archives//html/Amps/2003-12/msg00073.html (7,345 bytes)
28. [Amps] Chokes (score: 1): Author: c s <carlseye@verizon.net>; Date: Wed, 27 Jun 2007 16:53:25 -0400; I have been informed that my question about Fil. chokes never appeared on this list, Why, I have no idea.!! I've been on this list for a "long" time now , and some of the "best" have been "banned: fo; /archives//html/Amps/2007-06/msg00159.html (6,311 bytes)
29. Re: [Amps] Chokes (score: 1): Author: "jeremy-ca" <km1h@jeremy.mv.com>; Date: Wed, 27 Jun 2007 19:31:19 -0400; Your question certainly did appear. I was about to answer but got distracted. As long as the reactance on 160M is roughly 10 times or more than the input impedence it will be fine. In your case it is; /archives//html/Amps/2007-06/msg00162.html (7,995 bytes)

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