| 基于ASK调制的射频接收机芯片前端设计 |
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| 引用本文： | 彭礴,晏敏,张索明,谢志勇,李杰,谢斌.基于ASK调制的射频接收机芯片前端设计[J].宇航计测技术,2011,31(2):52-55. |
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| 作者姓名： | 彭礴 晏敏 张索明 谢志勇 李杰 谢斌 |
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| 作者单位： | 1. 湖南大学建筑学院,长沙,410082
2. 湖南大学物理与微电子科学学院,长沙,410082 |
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| 基金项目： | 2010年湖南省教改项目，国家级大学生实践创新计划项目 |
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| 摘 要： | 为工作在27M频点的射频接收芯片组设计了一种基于ASK调制0.5μm CMOS工艺下具有实用价值的低成本接收端。在分析了当前市场中使用较多的超外差式和超再生式接收前端特点的基础上,结合芯片组所采用的ASK调制方式,考虑成本与性能的折衷,采用一种称为直接放大式电路结构,并通过Cadence软件进行电路设计与仿真。仿真结果显示：接收前端放大倍数为60.7dB,检波输入灵敏度为100mV,能对天线端高频信号进行放大与解调,恢复出串行脉冲信号。
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| 关 键 词： | 射频接收机芯片 接收前端 直接放大电路 |
Based on the Radio Receiver Chips Itinerary Modulation Front Design |
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| PENG Bo,YAN Min,ZHANG Suo-ming,XIE Zhi-yong,LI Jie,XIE Bin.Based on the Radio Receiver Chips Itinerary Modulation Front Design[J].Journal of Astronautic Metrology and Measurement,2011,31(2):52-55. |
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| Authors: | PENG Bo YAN Min ZHANG Suo-ming XIE Zhi-yong LI Jie XIE Bin |
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| Institution: | PENG Bo1 YAN Min2 ZHANG Suo-ming2 XIE Zhi-yong2 LI Jie2 XIE Bin2(1.College of architecture,Hunan university,Changsha 410082,2.College of physics and microelectronics Science,Hunan University,Changsha 410082) |
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| Abstract: | A low cost receiver based on ASK modulation and 0.5um CMOS technology was designed for the 27M fixed-frequency radio frequency receive chipset.On the analysis of the characteristics of the specialized superheterodyne type and ChaoZaiSheng type receiving front-end,combining the ASK modulation of the chipset and considering the compromise of properties and cost,a direct amplification circuit structure was adopted in this design.The circuit was designed and simulated in Cadence software.The simulation results ... |
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| Keywords: | Radio frequency receiver chip Receiving front-end Direct amplification circuit |
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