利用对数Intersil数字电位器控制(XDCPs)的数字音频功率放大器的增益控制 Digital Audio Amplifier Gain Control using Logarithmic Intersil Digitally Controlled Potentiometers (XDCPs) Application Note April 21, 2005 AN49.0 Author: Applications Staff Often the power amplifier stage of a communications device The frequency of the oscillation (and consequently the is located some distance from the control panel. The typical speed at which the volume can be controlled) is determined s……