Re: K1 : W3FPR K2 Fixed Audio ??
Posted by
Don Wilhelm-4 on
May 07, 2012; 5:33pm
URL: http://elecraft.85.s1.nabble.com/K1-W3FPR-K2-Fixed-Audio-tp7535668p7536262.html
Joe's selection of points to connect is good IMHO. I believe you want
the point to be after the muting.
73,
Don W3FPR
On 5/7/2012 11:57 AM, Joe Subich, W4TV wrote:
>> It seems that the W3FPR circuit and a 1/8" jack next to the keyer
>> jack would work. Audio could be tapped off of the (input/output) of
>> the existing LM386 through a suitable cap. - I think. Any thoughts??
> Since you specify the W3FPR circuit and "fixed level" audio, you would
> want to make any connection *before* the AF Pot. My guess is that the
> best results would be obtained by connecting the W3FPR circuit across
> the AF Pot (pins 2 and 3 of P1 on the RF board) exactly as the circuit
> is used in the K2.
>
> 73,
>
> ... Joe, W4TV
>
>
>
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