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We asked hi-fi engineers what makes a music streamer sound great – and it's about much more than just chipsetsand the digital-to-analogue converter (DAC) that then turns that data stream into an analogue waveform the rest of your hi-fi ...
Microcontroller addict [Debraj] decided to make his own programmable sine wave generator ... sine lookup table, DAC, and control logic all into a single ten-pin package. [Debraj] uses AD9833 ...
Put this binary number into our DAC and we get a simple rising voltage out. A up-ramp wave. Now we feed the ramp into our inverting buffer circuit, and we get a beautiful sawtooth out the other side.
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