| To: | amps@contesting.com |
|---|---|
| Subject: | Re: [Amps] 200-ohm tank and "un-un" in HF amp design? |
| From: | peter chadwick <g8on@fsmail.net> |
| Reply-to: | g8on@fsmail.net |
| Date: | Mon, 21 Oct 2013 10:32:27 +0200 |
| List-post: | <amps@contesting.com">mailto:amps@contesting.com> |
>The touted higher harmonic suppression of a PI-L is mainly a myth.....a plane >jane PI is more than ample for harmonic suppression.< As a Class AB stage has a second harmonic component of plate current only 6dB down on the fundamental, what sort of Q do you run in the pi network to get the extra 37dB of suppression needed to meet the FCC regulations or the extra 44dB needed elsewhere? 73 Peter G3RZP _______________________________________________ Amps mailing list Amps@contesting.com http://lists.contesting.com/mailman/listinfo/amps |
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