一种简易低成本的微波驻波系数数字显示系统

The Measurement System with Single-chip for Microwave Standing-wave

本文提出一种利用单片机控制的驻波比数字显示系统 ,介绍了该系统的设计原理和方法 ,给出了采用程控增益放大器控制模拟信号电平的放大、高精度 A/D转换、数字显示单元的电路框图及与 80

A digital display system with microcontroller for standing-wave is developed. The principle and method of system design is discussed. The interface circuits draw between 8031 single-chip and peripheral circuits is given. The peripheral circuits consist of amplifier with programming control, A/D converter and digital display unit.