ALC Adjustments to enable QRP

---------

From: Alan Kaul (kaul@netcom.com)
Date: Wed May 04 1994 - 20:07:03 EDT


An April 1990 issue of QRP Quarterly -- in WA8MCQ's Idea Exchange --
refers to a July '89 QQ issue which discusses using a small
battery, a switch, and a pot connected across the battery to ground which
then connects thru the wiper to the ALC input stage of transceivers.
The circuit -- introducing artificial ALC voltage to the rig -- enables
very fine adjustments in the ALC feedback voltage to enable QRO
transceivers to reduce power down to QRP levels. Anyone out there know if
it'll work with an ICOM IC-725? And whether the voltage required is
positive or negative?
Thanks, 72 de alan
                     [<Alan Kaul, W6RCL>] kaul@netcom.com
                                     


Search QRP-L Archives

[ QRP-L Archive | ]
[ 1993 | 1994 | 1995 | 1996 | 1997 | 1998 | 1999 | 2000 ]

---------

This archive was generated by hypermail 2b29 on Fri Jun 02 2000 - 11:26:46 EDT

kd4ab@kd4ab.org