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Re: [Amps] transformers

To: Gudguyham@aol.com
Subject: Re: [Amps] transformers
From: R L Measures <r@somis.org>
Date: Mon, 17 Jul 2006 15:36:42 -0700
List-post: <mailto:amps@contesting.com>
On Jul 17, 2006, at 7:21 AM, Gudguyham@aol.com wrote:

>
>> In a message dated 7/17/2006 8:46:54 A.M. Eastern Standard Time,
>> cherokeehillfarm@earthlink.net writes:
>>
>> The  above data is from the AL 80B.  I wonder how they manage to  
>> measure
>> their  RF power output at 1 KW.  There are others that seem to  
>> rate the output
>> from the modern tube much the same way.  I never questioned my  
>> results  because
>> they were more or less identical to the above data.  Interesting   
>> to note the
>> 10 second warm up time for this instant heating tube.  I'll  be  
>> these guys
>> have some spec sheets that I can't seem to obtain.
>>
>> 73 and  Happy DXing,
>>
>> Mike
>>
>> W2AJI
>
>
>
> Mike, Assuming in all cases only 100 watts is available for driving  
> power,
> one could drive an AL-80 to a KW output, but with the same 100  
> watts with an
> SB-220 you will only see a max. of about 1300 watts.

  That's because to obtain 1000w from a 3-500Z using a 3kV PS, the  
tube must be driven into the saturation / non-linear region.
  To obtain 1000w  of linear output from a 3-500Z, one needs a 4kV PS.

...
R L MEASURES, AG6K. 805-386-3734
r@somis.org



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