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提出一种用于智能仪表的信号发生器。它采用了可编程分频器，能产生多种类型。参数变动范围很宽的信号，具有功能强、基本上不占用微处理器和电路比较简单等特点。文中说明了信号发生器的结构和工作情况，并给出了电路原理图。
A signal generator for smart meters is proposed. It uses a programmable divider, can produce a variety of types. Wide range of parameters change signal, with strong, basically does not occupy the microprocessor and the circuit is relatively simple and so on. The article describes the structure and work of the signal generator, and gives the circuit diagram.