Digital potentiometers (pots) offer advantages for audio volume (gain) control applications and can replace bulky mechanical pots, especially in handheld portable devices such as MP3 players, PDAs, ...
This design idea details how a standard volume control can be replaced by its solid-state equivalent. Digital potentiometers are often advertised as replacements for rotary volume controls. To ...
A short while back, I published a design idea that uses a single linear pot to control the gain of a high performance OP37 decompensated op-amp over an unusually wide (-30 dB to +60 dB) range. Figure ...
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