DIY Digital Voice Transceiver


[dk] sent in the DVX project. It’s a complete D-STAR implementation that’s built around a digital transceiver chip, an ATMEL mcu and a digital voice compression chip. Compared to most digital radio’s I’ve seen, this one is pretty simple. The really complex action lives in the main chips with a bunch of caps and resistors to support them. Watch out for Digikey’s pricing – it looks like a major gouge after looking at the tx/rx chips on Analog Device’s site. If you get them at a decent price, they could make great rf links for your projects. The link to the paper seems a bit broken, but here’s the correct one.

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