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Re: [Amps] High Power (2500 Watts) Bird RF Dummy Load For Sale

To: Steve Cook <sccook1@cox.net>
Subject: Re: [Amps] High Power (2500 Watts) Bird RF Dummy Load For Sale
From: "Vic Rosenthal [TSI]" <vic@rakefet.com>
Reply-to: vic@rakefet.com
Date: Sun, 18 Feb 2007 15:40:28 -0800
List-post: <mailto:amps@contesting.com>
Steve Cook wrote:
> Looking at the specs for the 2SC5125 output transistors used in the ICOM 756 
> series transceivers.  Spec sheet says they are rated for 80W output each or 
> 160W per pair up to 175Mhz.  
> 
> Wondering why ICOM only runs them at 100W?
> 
> There is an adjust pot that will allow the output to be turned up somewhat -- 
> up to around 150W.
> 
> What is the undesirable effect of turning up the power to say... 125W, if any?

Nothing, if you only operate CW.  But IMD would increase significantly, 
producing a splatter-y SSB signal and making you unpopular.
-- 
Best Regards,
Vic Rosenthal
Transparent Software, Inc. -- RAKEFET
559.226.5147
Visit us at <http://www.rakefet.com>
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