Digital to analog converter with S/PDIF input back to projects
Essentially this is a prototype, hence the less tidy look of the insides. The design is however fully operational and performing good (At least noticeable better than the onboard soundcard of my computer).
Use is made of a DIR 1701 S/PDIF receiver and a PCM1793 DA converter with output
filters consisting of an operational amplifier (OP27) and passive elements (capacitors
and resistors). The S/PDIF input is coupled by means of a small transformer
to prevent a galvanic coupling of stereo set and computer. I find this a very
useful recommendation, maybe even a necessity when using S/PDIF.
photo; front side view.
Photograph; the inside of the converter
New device! smaller and smarter!