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<DIV><FONT size=2 face=Arial>Assembled Pennywhistle with 6 meter setup. $135.00
shipped CONUS ONLY</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>Assembled COMMUNICATION CONCEPTS board type
EN-27A amp - $165.00</FONT></DIV>
<DIV><FONT size=2 face=Arial>shipped CONUS ONLY. Built by 4Z4RB</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>"A solid state High power HF linear amplifier built
on COMMUNICATION CONCEPTS board type EN-27A by MOTOROLA .<BR>The amplifier
uses 2 BJT transistors MRF-454 matched pair by MOTOROLA.<BR>Amplifier is built
with the best components and the bias circuit had been modernized<BR>to employ
modern devices instead of the hard to get round 723 regulator.<BR>Temperature
tracking of bias is employed and the circuit is very stable at all power
levels.<BR>5 W in puts 140 W out on a 50 ohm dummy load at 13.6 V .<BR>The
current is about 23A.<BR>Idling current can be adjusted with a variable resistor
on board to meet class AB of<BR>operation. A full description will be included
with the unit.<BR>Tested and performing great for an easy installation with your
needs.<BR>The bias circuit can be switched on/off externally to allow
stand-by/receive option.<BR>Teflon coax in/high power Teflon coax out with phono
type connectors (male)<BR>All Mounted on a heavy duty heatsink to allow good and
reliable operation."<BR></FONT></DIV>
<DIV><FONT size=2 face=Arial>Raising cash for 1500. Contact off
list</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>Jeff</FONT></DIV>
<DIV><FONT size=2 face=Arial>KT2K</FONT></DIV>
<DIV><FONT size=2 face=Arial>jkelly at bellatlantic.net</FONT></DIV>
<DIV><FONT size=2 face=Arial> </DIV></FONT>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
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