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      Research on Characteristics of RC Polyphase Network for Quadrature Signal Generator

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          Abstract

          The quadrature signal generator is widely used in devices such as the quadrature modulator and image rejection frequency converter. An RC polyphase network is commonly used as a quadrature signal generator because of its simple structure and perfect linear performance. This study derives explicit transfer functions for the RC polyphase network based on the complex signal properties and the matrix theory. Moreover, build-related parameters are determined to analyze the I/Q amplitude and phase balance characteristic of the RC polyphase network, thus providing a theoretical guideline for the design of a high-balance quadrature signal generator.

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          Author and article information

          Journal
          Journal of Radars
          Chinese Academy of Sciences
          01 December 2013
          : 2
          : 4
          : 476-480
          Affiliations
          [1 ] Department of Graduate Management, Air Force Early Warning Academy
          [2 ] No.5 Department, Air Force Early Warning Academy
          Article
          fe6efb0c70a041629c87218d9cdcb1e3
          10.3724/SP.J.1300.2013.13069

          This work is licensed under a Creative Commons Attribution 4.0 Unported License. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

          Categories
          Technology (General)
          T1-995

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