D-104 preamp ...

Posted by Joe Subich, W4TV-4 on Jul 21, 2010; 3:27am
URL: http://elecraft.85.s1.nabble.com/D-104-preamp-tp5319528.html


Does anyone have a design for a FET preamplifier for a
D-104 that will work off the K3 mic bias (rather than the
separate +8V line) and the typical 3.3V mic bias in the
current crop of laptops?

I'd like to avoid providing  separate preamp power when
the mic is connected to a computer soundcard ...

73,

   ... Joe, W4TV

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