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The Design and Development of Simplified RF Front-end for WCDMA_GSM Seven-Band Handset

Author: ShenCong
Tutor: ZhaoShuGuang
School: Donghua University
Course: Communication and Information System
Keywords: WCDMA_GSM Seven bands RF front-end Simplify
CLC: TN929.53
Type: Master's thesis
Year: 2012
Downloads: 32
Quote: 0
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Abstract


Three 3G technology standards , WCDMA highest global market share , the industry chain the most extensive , most users worldwide , the most technically perfect , while the GSM series in the mobile phone market will continue to account for a large share of , so WCDMA_GSM the dual-mode multi- band mobile phone will occupy most of the mobile phone and terminal market . Cost component area and performance difficulties and bottlenecks of such phones developed . This article introduces a simplified WCDMA_GSM seven - band mobile phone RF front-end circuit , respectively, from the point of view of the system and the individual modules detailed description of the design process . Comparing the existing program of its kind , the program can guarantee performance under the premise , which greatly reduce the cost and device area . The design has been applied to the actual product , the value of which theory , implementation , debugging method , design experience can provide a reference for the research and development of mobile phones and other wireless communication terminal . Firstly, the current RF front - end structure and principle of comparative analysis , and then propose a simplified design , and system planning , PCB layout and layout design to the RF indicators debugging and test a complete description of the RF section of a cell phone R \u0026 D process , the theory on the program design process involved a detailed discussion .

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > Wireless communications > Mobile Communications > Cellular mobile communications systems (mobile phones, mobile phone handsets )
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