本文描述了在双向有线电视宽带传输网络中实现在前端进行输出口电平检测的方法。设计中采用先进的 PIC单片机作为测试终端主控制器 ,并利用其特点 ,在保证测量精度需要的前提下 ,使硬件开销降至最低 This article describes how to implement output level detection at the front end in a bidirectional cable television broadband transmission network. The design of the advanced PIC microcontroller as the main test terminal controller, and use of its features, to ensure the accuracy of the premise of the need to minimize the hardware overhead