负载阻抗失配测量方法的研究

2011 IEEE MTT-S International Microwave Workshop Series on Intelligent Radio for Future Personal Terminals Pub Date : 2011-09-26 DOI:10.1109/IMWS2.2011.6027206

Soosul Hwang, Sung-Yong Hong

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引用次数: 2

摘要

提出了一种测量放大器与天线之间未知负载阻抗失配的简单方法。负载阻抗失配的测量方法由传输线段和沿传输线适当位置的电压测量组成。使用安捷伦的ADS软件工具进行仿真，以确定物理尺寸和电路特性。电压传感器采用AD834四象限乘法器，用于测量分段传输线上的三点电压。仿真和试验结果与理论预测吻合较好。

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A study of measurement the load impedance mismatch

This paper presents a simple method for measurement the unknown load impedance mismatch between amplifier and antenna. The method to measure load impedance mismatch consists of sections of transmission line and voltage measurements at appropriate locations along the transmission line. Simulation is performed using Agilent's ADS software tool to determine the physical dimensions and the circuit characteristics. And AD834 quadrant multiplier is used to voltage sensor for measuring the 3-point voltage on sectioned transmission line. Simulation and test results show good agreement with theoretical predictions.

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来源期刊

2011 IEEE MTT-S International Microwave Workshop Series on Intelligent Radio for Future Personal Terminals

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