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Reserch and Design of Radio Frequency Front-end for 2.4GHz Wireless Transmitter

Author: WangWenBin
Tutor: TanXiaoHeng
School: Chongqing University
Course: Communication and Information System
Keywords: RF front-end RF Filters Upconversion mixer Power divider Power amplifier
CLC: TN830
Type: Master's thesis
Year: 2010
Downloads: 285
Quote: 2
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Abstract


With the rapid development of wireless communication , the RF front-end is increasingly becoming a bottleneck restricting transmitter performance improvement . The special role of the RF front-end in wireless communication transceiver , so that it has become a hot research at home and abroad . This article is based on the actual project requirements , explore the 2.4GHz ISM band RF front-end research and design . How to achieve impedance matching and to meet the requirements of large dynamic range RF front-end to deal with the large dynamic range of the analog signal , the design difficulties . By summing up the RF front-end aspects of advanced design experience , and based on actual system parameters 2.4GHz RF front-end design and hardware detail . Proposed a cascade ranging proportional power divider design , and through such splitters , to improve the performance of the power amplifier . The paper 's main work is to : First, a comprehensive study of the various transmitters structure , analysis of the advantages and disadvantages of various structures . 2.4GHz wireless communication system design of the RF front-end , and according to the needs of the project to determine the performance parameters of the transmitter structure . Second, the various modules of the transmitter depth theoretical analysis and use of the Advanced Design System 2005 tool software module transmitter simulation . These key modules including RF filters , up-conversion mixers , power dividers , power amplifier . Repeated optimization according to the requirements of the system design , simulation circuit and performance parameters meet design specifications . Produced according to the results of simulation and numerical analysis , hardware circuits of each module , performance testing and numerical analysis of each part of the circuit design , and to verify the feasibility of the design of key modules , to meet the needs of the project . Finally, the test results for the various modules , including performance - biased circuit optimized analysis , and proposed improvement measures as well as follow-up work outlook .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Radio equipment,telecommunications equipment > The sending device,the transmitter > General issues
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