Monthly Archives: April 2017

USB DAC/HeadAmp moving along…

Got some wiring etc done on this build today. XMOS USB to I²S, ES9023 I²S to analog signal, AD797 & BUF634 headamp. PS is TPS7A4700 for +12V, TPS7A3301 for -12V and +5V taken from +12V via another TPS7A4700 to +5V … Continue reading

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But finally!

I have torn my hair out(well I would have if I had any) trying to get the audio-widget software to work on Linux. Finally, victory! Lol /Mayday

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Headamp

Slowly getting there… Resistors are thin film 0.1%. 0805 caps are 220pF Panasonic PPS /Mayday

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Healing nicely

My neck is healing nicely from the surgery 🙂 /Mayday

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“My” AD797 & BUF634 headamp/preamp

I got the boards yesterday. This time I used elecrow. For the first time they dissapointed, the silkscreen on 3 of 5 PCB’s was awful. The two OK ones are these: I actually populated it with a few parts this … Continue reading

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Software…

… Just isn’t my thing, yet! Still trying to get the needed software for the audio-widget compatible board installed. I made a clean install of Linux on the netbook I use for these things. I went with Arch Linux via … Continue reading

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Audio-widget USB to I²S…

Well, I sent files for a board based on an MCU off to a PCB house. This time I used oshpark. I use them for small boards as they charge by surface area. Turn-around time is OK and the boards are … Continue reading

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