QPSK demodulator based on six port junction

Abstract

This article presents two different architectures of six port junctions operating at 2.45 GHz. One of those structures was based on a “branch line” coupler technology; the second junction is based on a circular coupler. both couplers have inputs connected to a Wilkinson power divider and the couplers used are hybrid couplers 90°/3dB. The simulation was… (More)

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