MAX260/261/262是MAXIM公司推出的可编程开关电容通用滤波器，通过单片机（89C51）对该芯片的6个输入端进行有效设置可实现64个不同的中心频率f0，而且Q值可达128。文中介绍了这些通用滤波器的功能、特性以及典型应用电路。 ,MAXIM Unveils MAX260/261/262 is programmable general-purpose switched-capacitor filter, through the single-chip microcomputer (89C51) chips of the six inputs can be effectively set up 64 different center frequency f0, and the Q value up to 128. In this paper, the generic filter functions, characteristics and typical application circuit. :