[TRLog] I need help interfacing IC706MKII

Larry Weaver n6tw@csi.com
Thu, 10 Jun 1999 13:44:15 -0700


In addition to the sources below, I have an Adobe Acrobat file (.pdf) I
downloaded (I don't remember where). It has the interface plus circuitry to
indicate the band the 706 is on. If you're interested, I'll email you a


Larry N6TW

You need the CT-17 (or one you can build for considerably less money) to
convert the RS-232 signal levels to the TTL levels used by ICOM CI-V
interfaces. A circuit for doing this is in a QST article, Feb. 1992. The
circuit diagram is available on the WWW at


A printed circuit board is available from Far Circuits at


for $3.50US.

There is also as circuit diagram which has been used with an IC706 at


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