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http://dx.doi.org/10.5515/KJKIEES.2014.25.6.637

A 4×4 Multiport Amplifier System with Reconfigurable Switching Matrices and Error Calibration  

Lee, Han Lim (Department of Electronic Engineering, KAIST)
Park, Dong-Hoon (School of Electrical and Computer Engineering, University of Seoul)
Lee, Won-Seok (Department of Electronic Engineering, KAIST)
Khang, Seung-Tae (Department of Electronic Engineering, KAIST)
Lee, Moon-Que (School of Electrical and Computer Engineering, University of Seoul)
Yu, Jong-Won (Department of Electronic Engineering, KAIST)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.25, no.6, 2014 , pp. 637-645 More about this Journal
Abstract
This paper presents a new $4{\times}4$ multi-port amplifier(MPA) structure using reconfigurable switching matrices as input and output hybrid matrices(IHM, OHM), and phase/amplitude error calibration circuits. According to the mode selection of the switches, output power can be flexibly and effectively managed since the number of PA's to be used and the number of output port to distribute/combine amplified signals can be controlled. In addition, the proposed structure contains the phase and amplitude error calibration block that helps produce identical amplitudes and desired phase differences to the $4{\times}4$ OHM, resulting in optimizing the port-to-port isolation of the MPA system.
Keywords
Multiport Amplifier(MPA); Reconfigurable Switching Matrix; MPA Calibration; Reconfigurable MPA;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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