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Re: [Amps]  200-ohm tank and "un-un" in HF amp design?

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


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