关键词: digital potentiometers, preamplifier, preamp, digital pot, xicor
Abstract: The DS1802 audio potentiometer contains two digitally controlled potentiometers and features a logarithmic taper that produces a 1dB change per increment. This application note describes using it in a push-button controlled audio preamplifier circuit.
Using a DS1802 Push-Button Digital Potentiometer to Create an Audio Preamp with Attenuator.pdf
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