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Re: [Amps] Looking for shematic to set MRF448 into Class AB

To: amps@contesting.com
Subject: Re: [Amps] Looking for shematic to set MRF448 into Class AB
From: Steve Thompson <g8gsq@eltac.co.uk>
Date: Wed, 31 May 2006 09:30:49 +0100
List-post: <mailto:amps@contesting.com>

DH5HV wrote:
> Hello.
> 
> I got a commercial RF-generator for ENI.
> 
> 
> It has 4 power modules with two ENI21 transistors per module.
> 
> The ENI21 for sure is a Motorola device and due to the fact that each module 
> should bring up more than 300W with two of these ENI21 at a voltage of aprox. 
> 50V up to max 30MHz I would say it should be the MRF448.
> 
> Am I correct ? Otherwise correct me !
Acrian also supplied a lot of transistors to ENI. The devices might be 
S200-50 or S250-50. In practice, the difference will not matter to you.

Steve
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