[WriteLog] Icom CIV Interface

[Ian White, G3SEK]

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