Pulse signal acquisition system

The utility model provides a pulse signal acquisition system, includes rectification voltage stabilizing circuit, and this rectification voltage stabilizing circuit output port provides the electric energy to infrared emission control and infrared receiving tube, and this infrared receiving tube output links to each other with voltage amplifier circuit, and this voltage amplifier circuit output links to each other with filter circuit, and this rectification voltage stabilizing circuit can realize rectification voltage stabilizing circuit 0. The rectification voltage stabilizing circuit who sets up can keep invariable at output voltage when input voltage takes place the fluctuation, simultaneously when output voltage takes place the short circuit for output is opened a way, plays the guardaction. 种脉搏信号采集系统，包括整流稳压电路，该整流稳压电路输出端口向红外线发射管和红外线接收管提供电能，该红外线接收管输出端与电压放大电路相连，该电压放大电路输出端与滤波电路相连，该整流稳压电路能够实现短路保护功能。设置的整流稳压电路能够在输入电压发生波动的时候在输出电压保持恒定，同时在输出电压发生短路时，使得输出开路，起到保护作用。