2012•Modern Electronics TechniqueRequires access

3 dB directional coupler and its application in FM broadcast

Zhang Wen-bo

Abstract

In this paper,the principle and structure of 3 dB directional coupler are qualitatively analyzed.The current function,main performance index and technical parameters of 3 dB directional coupler are introduced.The application of 3 dB directional coupler for all solid state FM broadcasting transmitter is described.The wild application and diversity of 3 dB directional coupler are illustrated.The method provided a reference for design of 3 dB directional coupler in RF circuits

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Key concepts: Hybrid coupler, Power dividers and directional couplers, Transmitter, Broadcasting (networking), Rat-race coupler, Electronic engineering, Electrical engineering, Computer science