[Elecraft] CP1 Power Handling

Larry Phipps larry at telepostinc.com
Tue Mar 7 11:49:25 EST 2006


It might also make sense to increase the turns to 14, which would give a 
coupling factor of 23 dB, and much more safety margin.

Larry N8LP



Linden, Mike (BRC-Hes) wrote:
> Larry,
>
>   Thanks! 200W is probably a bit on the high side for my needs (safety
> margin), so this looks pretty good.
>
>   -Michael
>  
>
> -----Original Message-----
> From: Larry Phipps [mailto:larry at telepostinc.com] 
> Sent: Tuesday, March 07, 2006 10:29 AM
> To: Linden, Mike (BRC-Hes)
> Cc: elecraft at mailman.qth.net
> Subject: Re: [Elecraft] CP1 Power Handling
>
> A quick check shows that no small size cores will work for -43 material
> with 10T at 1.8 MHz and 200W. However, FT50B cores come close, and are
> fine at 3.5 MHz. FT50B is twice the thickness of the FT50A, and would
> fit on the board because the thickness would only add height.
>
> 73,
> Larry N8LP
>
>
> Linden, Mike (BRC-Hes) wrote:
>   
>> Larry,
>>
>>   If you have the time, I'd certainly appreciate it if you'd run it 
>> through your spreadsheet for me.
>>
>>   Thanks! -Michael
>>  
>>     
>
>
>
>
>   


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