To: | Karl-Arne Markström <sm0aom@telia.com>, "Ulf Tjerneld" <star@frizon.org>, <Amps@contesting.com> |
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Subject: | Re: [Amps] GU 74 operating parameters |
From: | "Jim Tonne" <tonne@comcast.net> |
Date: | Wed, 6 Jan 2010 14:09:47 -0500 |
List-post: | <amps@contesting.com">mailto:amps@contesting.com> |
Karl-Arne wrote in part: > A PI-L network using a plate load impedance of 2800 ohms > and an > intermediate impedance of 200 ohms would be a good > starting point. Current in the PI and the L inductors will be similar unless network Q is high. Get PI-L designer here: http://tonnesoftware.com/piel.html Not only does design but also analysis including both frequency-response plot (including return loss) but also peak voltage across capacitors and RMS current through inductors. Its also on the ARRL HB CD if that is of interest. - Jim W4ENE _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps |
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