To: | Edward Sylvester <navydude1962@yahoo.com> |
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Subject: | Re: [TenTec] Low Pass Filter |
From: | "Dr. Gerald N. Johnson" <geraldj@storm.weather.net> |
Reply-to: | geraldj@storm.weather.net, Discussion of Ten-Tec Equipment <tentec@contesting.com> |
Date: | Sun, 18 May 2008 13:20:44 -0600 |
List-post: | <tentec@contesting.com">mailto:tentec@contesting.com> |
On Sun, 2008-05-18 at 10:55 -0700, Edward Sylvester wrote: > So, Jerry, just have it at the output of the amp?? Yes and as close to the amp as possible, not with a few feet or more of coax between the amp and the filter. Keep that coax jumper under a foot. The PA running class B makes lots of harmonics even when driven with a perfectly clean signal, so the intermediate filter will just upset the impedance match between the exciter and the PA. 73, Jerry, K0CQ _______________________________________________ TenTec mailing list TenTec@contesting.com http://lists.contesting.com/mailman/listinfo/tentec |
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