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Author Topic: opto-CAT addon for USB Isoterm Traveller from Johny G3LIV  (Read 64 times)

SP9WPN

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opto-CAT addon for USB Isoterm Traveller from Johny G3LIV
« on: July 24, 2020, 11:39:44 AM »

Hi,

USB Isoterm Traveller is compact, portable audio interface from Johny G3LIV (http://www.g3liv.co.uk/).

I've challenged myself to enhance it by adding an opto-CAT while keeping to original case. It was nice adventure and finally a success.

So while this might be "yet-another-CAT-interface", I've accomplished some extra goals, like stable 115200 operation and no requirement for separate +5V line from the radio. My design is for Yaesu FT-8x7, however it can be adapted for other radios.

Being a bit proud of it, I've put up a detailed description with a schematic for any fellow HAM: http://sp9wpn.cc/optocat/

73,
Wojtek SP9WPN

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