[Amps] Transistor amps

[Dr. William J. Schmidt, II]

Frequency response rolls off too much for those transistors.  They were made 
to work below 2 mhz.  HOWEVER, there are the high voltage mosfets from 
Advanced Power Technology that work in the 300-1,200 VDC range deserve 
discussion.  The devices are targeted for RF designs  < 75 Mhz, and are very 
cheap by most measures (not Rich).  Lots of class "E" circuits for them... 
APT has many app notes on them... check them out!

Sincerely,

Dr. William J. Schmidt, II  K9HZ
Trustee of the North American QRO - Central Division Club - K9ZC

Email: bill at wjschmidt.com
WebPage: www.wjschmidt.com

"If computers get too powerful, we can organize them into a committee; that 
will do them in."  -- Bradley's Bromide


----- Original Message ----- 
From: "Will Matney" <craxd1 at ezwv.com>
To: <amps at contesting.com>
Sent: Monday, March 28, 2005 7:08 PM
Subject: [Amps] Transistor amps


> This is something I have thought of for years and never looked into it. 
> Could an amp be built using horizontal output transistors where the 
> voltage can be ran up to keep the current down? I wonder if any would work 
> up in this frequency range (2-30 MHz)?
>
> Will
>
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