Digital volume control
Source: InternetPublisher:alYLo3 Keywords: Volume control Updated: 2026/03/13
Digital volume control
This circuit can be used to replace the manual volume control in a stereo amplifier. In this circuit, pressing switch S1 controls the forward (volume increase) operation of both channels, while a similar switch S2 controls the reverse (volume decrease) operation of both channels. The DS1669 integrated circuit from Dallas Semiconductor is used here.
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