[Amps] Class E amd and MRF492

[Dennis12Amplify@aol.com]

In a message dated 3/8/05 6:11:45 AM Central Standard Time, r at 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.