超外差式调幅接收机_课程设计 精品(2)

沈阳工程学院课程设计（论文）

目 录

课程设计（论文）任务书 课程设计（论文）成绩评定表

中 文 摘 要 ···························· I 1 设计任务描述 ·························· 1 1.1设计题目: ·························· 1 1.2设计要求 ·························· 1 1.2.1设计目的 ························· 1 1.2.2基本要求 ························· 1 2. 设计方案选择和论证 ······················· 2 2.1设计思路 ·························· 2 2.2方案论证 ·························· 2 2.3总体电路的功能框图及其说明 ·················· 2 3.功能块及单元电路设计 ······················ 7 3.1功能块设计及其参数计算 ··················· 7 3.1.1高频功率放大电路 ···················· 7 3.1.2混频电路 ························ 7

3.1.3.中频放大电路 ······················ 11 3.1.4鉴频电路 ························ 13 3.2主要元器件选择 ······················ 14 4.总体电路原理图及说明 ····················· 15 4.1总电路图 ························· 15 4.2总体电路原理 ······················· 15 4.3元器件清单 ························ 16 5．电路仿真 ··························· 17 5.1仿真图 ·························· 17 5.2 仿真软件介绍 ······················· 18 小结 ······························ 20 致谢 ······························ 21 参考文献 ···························· 22 附录A1电路图 ·························· 23

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