摘要：本文讨论了如何改善线性度（由于雨刷加载）和中档的VCO控制应用中的数字电位器的频率响应，由H和W的增加一个外部电阻Maxim > Design support > App notes > Digital Potentiometers > APP 2095 Maxim > Design support > App notes > General Engineering Topics > APP 2095 Keywords: digital pot, digital potentiometers, linear digital pots, digipots, VCO control, potentiometer Jun 02, 2003 APPLICATION NOTE 2095 External Resistor Minimizes Digipot Loading By: Leo Sahlsten Abstract: This article discusses how to improve linearity (due to loading of the wiper) and mid-range frequency response of a digital potentiometer in VCO control applications by adding a single external resistor between H and W. Digital potentiometer ICs (digital pots, or digipots) are convenient for controlling voltage-c……