以单片机AT89C52RC 为核心，主要有按键模块、显示模块、DDS技术模块、滤波电路模块等，在设计过程中，波形的产生主要通过C环境下的程序控制单片机及芯片 AD9850工作。-AT89C52RC MCU as the core, mainly with keys module, display module, DDS technology module, filter circuit module, etc., in the design process, the waveform of C programming environment mainly through control of single chip microcomputer and chip AD9850 work.