Single-Ended Quadrature Coupler-Based VSWR Resilient Joint mm-Wave True Power Detector and Impedance Sensor

David Munzer,Naga Sasikanth Mannem,Edgar Felipe Garay,Hua Wang

IEEE Transactions on Microwave Theory and Techniques（2022）

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摘要

Intelligent reconfigurable RF/millimeter-wave (mm-Wave) front ends primarily rely on built-in-self-test (BiST) circuits for real-time performance monitoring, particularly in phased arrays, where antenna elements’ driving impedance varies substantially during beam steering due to the undesired element couplings. This severely degrades the power amplifier’s (PA) performance. To address this problem,...

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关键词

Impedance,Couplers,Sensors,Loaded antennas,Seaports,Detectors,Couplings

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