用于功率放大器应用的20-50 GHz可重构匹配网络

2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535) Pub Date : 2004-06-06 DOI:10.1109/MWSYM.2004.1339059

T. Vaha-Heikkila, Gabriel M. Rebeiz

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引用次数: 58

摘要

提出了一种基于负载线技术的可重构匹配网络。它由8个开关MEMS电容器组成，产生256个(2/sup 8/)不同的阻抗，在玻璃基板上的尺寸仅为1/spl倍/2.5 mm。该网络非常适合将输出阻抗为10-20 /spl ω /的功率放大器匹配到20-50 GHz的50-60 /spl ω /系统。当将10-20 /spl ω /负载匹配到50 /spl ω /负载时，网络的估计损耗仅为1-1.5 dB。该可重构网络还可作为阻抗调谐器用于30-65 GHz有源器件的噪声参数和负载-拉力测量。

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A 20-50 GHz reconfigurable matching network for power amplifier applications

A reconfigurable matching network has been developed and it is based on loaded line techniques. It consists of 8 switched MEMS capacitors producing 256 (2/sup 8/) different impedances and is only 1/spl times/2.5 mm in size on a glass substrate. The network is ideally suited to match power amplifiers with 10-20 /spl Omega/ output impedance to 50-60 /spl Omega/ systems at 20-50 GHz. The estimated loss of the network is only 1-1.5 dB at 40 GHz while matching a 10-20 /spl Omega/ load to a 50 /spl Omega/ load. The reconfigurable network can also be used as an impedance tuner in noise parameter and load-pull measurements of active devices at 30-65 GHz.

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来源期刊

2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535)

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