CI-V interface

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Revision as of 10:17, 21 November 2008 by Ok1zia (talk | contribs)
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Tested with: IC-706, IC-7400

Schematics

I've used my favourite USB to serial converter FT232RL in recommended wiring. After many experiments I've found it is not possible to make interface without supply from radio. Radio provides voltage with high impedance. It can work statically but reach real communication speeds is impossible. Supply can be about +5 to +12V . For my purpose best fits +8V from microphone connector (pin 1) next to the CI-V jack.

PCB

Photos

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