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1. [Amps] ferrite in RF chokes for PAs (score: 1): Author: "John Lyles" <jtml@losalamos.com>; Date: Thu, 6 Mar 2008 08:29:02 -0700; Plate RF choke has an appreciable DC current component in it. This lowers the effective mu of the ferrite, and makes it less effective as a choke. As a matter of fact, the value of inductance will fl; /archives//html/Amps/2008-03/msg00046.html (9,763 bytes)
2. Re: [Amps] ferrite in RF chokes for PAs (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Thu, 06 Mar 2008 09:40:53 -0800; Lots of good advice in this post. See comments interspersed, lots of snips to save space in the digest. YES! The good news is that this can be predicted from mfr data sheets. The bad news is that you; /archives//html/Amps/2008-03/msg00050.html (8,956 bytes)
3. Re: [Amps] ferrite in RF chokes for PAs (score: 1): Author: "jeremy-ca" <km1h@jeremy.mv.com>; Date: Thu, 6 Mar 2008 13:12:29 -0500; This was covered at length on the forum in the past and is also on W8JI's web site. While a ferrite loaded choke will perform well in a low power transmitter such as the single 6146 which the origina; /archives//html/Amps/2008-03/msg00051.html (11,841 bytes)
4. Re: [Amps] ferrite in RF chokes for PAs (score: 1): Author: Radio WC6W <wc6w_amps@yahoo.com>; Date: Thu, 6 Mar 2008 10:25:34 -0800 (PST); Hi Angel, Some info you may find of interest on this subject may be seen on my webpage: http://wc6w.50webs.com/wc6wamps/index.html?fr62.html 73 & Good morning, Marv WC6W == message truncated == _____; /archives//html/Amps/2008-03/msg00053.html (16,913 bytes)
5. Re: [Amps] ferrite in RF chokes for PAs (score: 1): Author: "Peter Voelpel" <df3kv@t-online.de>; Date: Thu, 6 Mar 2008 20:02:43 +0100; The better news is that it worked in many thousands of amps built by Rohde&Schwarz from about 1958 to 1990 for the military and other gouvernment use. The early version was 500W AM/CW/FSK with a sing; /archives//html/Amps/2008-03/msg00056.html (8,426 bytes)
6. Re: [Amps] ferrite in RF chokes for PAs (score: 1): Author: "Phil Clements" <philc@texascellnet.com>; Date: Thu, 6 Mar 2008 13:13:43 -0600; The better news is that it worked in many thousands of amps built by Rohde&Schwarz from about 1958 to 1990 for the military and other gouvernment use. The early version was 500W AM/CW/FSK with a sing; /archives//html/Amps/2008-03/msg00057.html (8,414 bytes)
7. Re: [Amps] ferrite in RF chokes for PAs (score: 1): Author: "Jim Brown" <jim@audiosystemsgroup.com>; Date: Thu, 06 Mar 2008 11:30:56 -0800; Of course -- there are many different ferrite mixes from the same and different manufacturers, and sizes and shapes of cores made from those mixes, just as there are many different kinds of capacitor; /archives//html/Amps/2008-03/msg00058.html (8,339 bytes)

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