Pots, Pans, Logs, and Linear Digital Pots Create Arbitrary Voltage Curves
关键词: digital pots, potentiometer, voltage divider, sensor conditioning, ratiometric, precision resistor, resistance, ratio, single power supply, temperature coefficient, low drift, linear, log, logarithmic, arbitrary waveform curve, string DAC, audio
Abstract: Linear digital potentiometers can be used to make arbitrary voltage curves and waveforms. An alternative name for a digital pot is a "string" digital-to-analog converter (DAC). Logging pots is the art of making a linear pot produce a logarithmic response for applications such as audio.
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