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Re: [Amps] Class E amd and MRF492

To: amps@contesting.com
Subject: Re: [Amps] Class E amd and MRF492
From: ToddRoberts2001@aol.com
Date: Tue, 8 Mar 2005 15:02:58 EST
List-post: <mailto:amps@contesting.com>
In a message dated 3/8/2005 12:48:58 PM Eastern Standard Time, G3rzp@aol.com 
writes:
How do you make them linear? Can you maintain the efficiency if you use  
polar or cartesian loop linearising?

73

Peter G3RZP

I don't think it is possible to make a Class E amplifier linear in the way 
that a Class AB amplifier is linear. One practical way to use a Class E 
amplifier to amplify SSB is to configure it as an EER - Envelope Elimination 
and 
Restoration amplifier. Dr. Fred Raab has done much good research and written 
several papers on the EER technique. 73 Todd WD4NGG
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