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Total 3 documents matching your query.

1. [Amps] Pi-L Network (score: 1)
Author: James Joyce <jjjoyce@optonline.net>
Date: Mon, 26 Mar 2007 10:39:36 -0400
Hi Peter, Most of the ham amps now use a 4to1 step down transformer in place of the switched L coil. Does this provide the same reduction of harmonics? Regards, Jim K2ZO --Original Message-- From: am
/archives//html/Amps/2007-03/msg00342.html (7,572 bytes)

2. Re: [Amps] Pi-L Network (score: 1)
Author: James Joyce <jjjoyce@optonline.net>
Date: Mon, 26 Mar 2007 11:16:38 -0400
The Commander, Ameritron and QRO series all use a 4to1 transformer in the Pi-L network. The ARRL handbook also has some amp projects that use the same type of circuit. 73, Jim K2ZO James, Can you pro
/archives//html/Amps/2007-03/msg00343.html (9,199 bytes)

3. Re: [Amps] Pi L networks (score: 1)
Author: James Joyce <jjjoyce@optonline.net>
Date: Thu, 29 Mar 2007 19:23:51 -0400
Hi Joe, I started it when I asked the question about the use of a 4to1 torroid step down transformer in place of a coil and switch assembly for the Pi-L. Many of the commercial ham amps use this meth
/archives//html/Amps/2007-03/msg00397.html (8,399 bytes)

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