The new device features a photo diode and a wide-band amplifier mounted within a 3-pin epoxy- encapsulated module with an integrated semi-cylindrical lens.
这款新型器件采用安装在具有集成半柱型透镜的3引脚环氧树脂封装模块中的光电二极管及宽带放大器。
2
A measurement system for gas dynamic concentrations based on TDLAS was constructed by using an auto-balanced photo receiver and a digital lock-in amplifier.
基于自平衡激光接收器和数字锁定放大器构造了TDLAS汽车尾气动态浓度测量系统。
3
The author deals mainly with the principle of the mechan- amplifier and the design, selection and method of use of digital circuit and photo-resistance circuit.