Ok, I do see an 82mH shunt choke on the input of the 380N. Thanks Don :) On Mon, 29 Jun 2009 14:02 -0400, "Don Wilhelm" <w3...@embarqmail.com> wrote: > Duane, > > Those older mods have often been incorporated into the K2 design. You > will find a version of this mod already on your K2 - it was incorporated > into the board for all K2 above SN 3000.. > > 73, > Don W3FPR > > dw wrote: > > Hey Gang, > > I read online yesterday that it may be that the K2 control PCB Rev-B > > might have incorporated the side-tone audio filter somewhere in advance > > of the LM380N chip, to produce a waveform closer to sine-wave. > > > > Does anyone know if this is true? > > > > Is there anyway of getting to look at a silk-screen pic for this board? > > > > Thanks > > Duane > > N1BBR > > > > ------------------------------------------------------------------------ > > > > > > No virus found in this incoming message. > > Checked by AVG - www.avg.com > > Version: 8.5.339 / Virus Database: 270.12.94/2208 - Release Date: 06/29/09 > > 05:54:00 > > > > -- bw...@fastmail.net
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