CI-V interface: Difference between revisions
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On the pictures is version for IC-706MKIIG - supply is connected to microphone RJ-45, pin 1. | |||
Used box can be obtained here: http://krabicky.cz/viewproduct.php?=SID&productid=200 | Used box can be obtained here: http://krabicky.cz/viewproduct.php?=SID&productid=200 | ||
Revision as of 16:40, 21 November 2008
Tested with: IC-706MKIIG, 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 through high impedance. It can work statically but reach real communication speeds is impossible, rise edges are too slow. 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
-
PCB of USB2CIV -
Parts side A -
Parts side B
Photos
On the pictures is version for IC-706MKIIG - supply is connected to microphone RJ-45, pin 1. Used box can be obtained here: http://krabicky.cz/viewproduct.php?=SID&productid=200