From: G0MRF@aol.com
Message-ID: <b7.302a7fb9.2bb57365@aol.com>
Date: Fri, 28 Mar 2003 04:44:05 EST
To: rsgb_lf_group@blacksheep.org
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Subject: LF: Redesigned G3YXM pre-amp.
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<HTML><FONT FACE=arial,helvetica><FONT  SIZE=2>Hello group.
<BR>
<BR>Dave's original 136kHz pre-amp design had to be discontinued some time ago when the 1mH coils were made obsolete by the manufacturers.
<BR>
<BR>After some considerable time, a suitable replacement has been found and a new filter has been designed around them.
<BR>
<BR>I've also had some new PCBs made and the finished preamp, together with some performance figures can be seen at:
<BR>
<BR>www.g0mrf.freeserve.co.uk/preamp.htm 
<BR>
<BR>Completed preamps are available from me, (details on the "kits" page) but the full circuit is given on the site for anyone who wants to duplicate the pre-amp or build something similar.
<BR>
<BR>73
<BR>
<BR>David &nbsp;G0MRF &nbsp;&nbsp;&nbsp;
<BR>
<BR>p.s. &nbsp;Hope to work some of you from GM this Sunday to Tuesday</FONT></HTML>