Tack a log taper onto a digital potentiometer

Zumbahlen, Hank
January 2000
EDN;01/20/2000, Vol. 45 Issue 2, p124
Trade Publication
Discusses the use of a digital potentiometer in the volume level of an audio system. Switching noise of the ladder network; Connection of potentiometer terminals anywhere within the common-mode range of the circuit; Limitation of the adjustability of the volume setting.


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