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Re: [Amps] Class E amd and MRF492

To: Amps@contesting.com
Subject: Re: [Amps] Class E amd and MRF492
From: Dennis12Amplify@aol.com
Date: Tue, 8 Mar 2005 12:43:58 EST
List-post: <mailto:amps@contesting.com>
 
In a message dated 3/8/05 6:11:45 AM Central Standard Time, r@somis.org  
writes:

> I  wonder if anyone has some information on the Class E type 
>  amplifiers.  I am designing some to operate at various HF bands and  
> wonder what pitfalls this project holds.

They are suited for  single-frequency operation.  The difference between 
60% efficiency  and 90% efficiency with the same input power is 0.3 
S-unit or  1.76db.



But for mobile operation, the difference in operating time off a  battery may 
be 2 to 1.
 
Regards,
 
Dennis O.
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