数码发电机的整流稳压电源数字触发器设计

针对数码发电机等产品对数字触发器的特殊要求,提出了一种能够满足宽压和宽频输入的数字触发器的设计方案.给出了基于微控制器P89LPC935的数字触发器的硬件电路设计和软件设计,重点阐述了能够适应宽压和宽频输入的同步电路和测频电路的设计.实验证明,该数字触发器不仅能够适应宽压和宽频输入,而且在输入电压和频率大幅度变化时,触发器仍然能够稳定可靠地工作.该数字触发器适应电压和频率范围宽,且电路简单,抗干扰能力强,性价比高.

Digital Trigger Design for Rectification and Regulated Power Supply of Digital Generator

According to the specific requirements of digital generator,a designed scheme of digital trigger is supposed to satisfy the demand of wide voltage and wide frequency.Both the hardware circuit and software designs of digital trigger based on the Microcontroller P89LPC935 are given in this paper.Especially,the design of synchronization circuit and frequency measurement circuit which can adapt to the input of wide voltage and wide frequency are expounded emphatically.Experiments show that this kind of digital ...