Amps
[Top] [All Lists]

[AMPS] K2RIW Amps

To: <amps@contesting.com>
Subject: [AMPS] K2RIW Amps
From: 2@vc.net (measures)
Date: Sun, 25 Feb 2001 20:50:35 -0800
>
>Lamb wrote:
>> 
>> I think for EME work, good means putting out enough power to be barely heard
>
>But Rick did say 'good linearity' not 'good power'. He defined the power
>(900 W), but it was the linearity to which a rather subjective measure
>(excuse the pun) 'good' was used. 

The  imd from the 2 x 4cx250R 2m amplifier was similar to that from the 
TS-700 that drove it. 

> I'm trying to make the point that
>there is little to be gained by arguing about how much power a 4CX250B
>can produce, without defining at what linearity this is to be taken. 

The major concern is not to strip the barium and strontium oxides from 
the cathodes.  5mA of screen current gives pretty good linearity.  

.....

-  Rich..., 805.386.3734, www.vcnet.com/measures.  
end


--
FAQ on WWW:               http://www.contesting.com/FAQ/amps
Submissions:              amps@contesting.com
Administrative requests:  amps-REQUEST@contesting.com
Problems:                 owner-amps@contesting.com


<Prev in Thread] Current Thread [Next in Thread>