Jim Brown wrote:
I need a couple of CIV interfaces for WriteLog. It is important that I
be able to key the radio via the
DTR port. Most of the circuits I see, as well as the commonly available
simple interfaces, get their
power from the DTR line, so won't work. What simple circuits are
available to solve this problem? My
need is for a single computer serial port to a single radio. I would
really like to find something that I
can build with a couple of transistors, resistors, and diodes.
Locate your interface box at the rig end of the cable, and pick up +12V
DC from a rear-panel accessory connector.
--
73 from Ian G3SEK 'In Practice' columnist for RadCom (RSGB)
http://www.ifwtech.co.uk/g3sek
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