超外差调幅接收机的设计与实现(新)

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1、超外差调幅接收机的设计与实现(新)超外差调幅接收机的设计与实现摘要：超外差接收系统由于其抗干扰能力强，频带宽，音质好等特点，广泛应用于通信系统中。本设计采用集成芯片CD7613CP来完成超外差调幅接收机设计，该芯片CD7613CP内部由混频电路（包括本地振荡电路和输入电路）、中频放大电路、检波电路、功率放大电路等组成。本文着重讨论并掌握调幅接收机的设计与调试方法；了解接收机主要技术指标；熟悉单片集成芯片CD7613CP内部功能及各引脚作用；掌握电路的布局、布线和焊接工艺等。关键词：超外差接收系统

2、；CD7613CP芯片DesignandImplementationofthesuperheterodyneAMreceiverAbstract:Thesuperheterodynereceiversystemsduetoitsstronganti-jammingcapability,frequencybandwidth,goodsoundquality,features,widelyusedincommunicationsystems.ThisdesignusestheICCD7613CPto

3、constituteasuperheterodyneAMreceiverAMchipCD7613CPinternalcircuitconsistsofamixercircuit(includingthelocaloscillationcircuitandtheinputcircuit),intermediatefrequencyamplifier,detectorcircuit,poweramplifiercircuit.Thispaperfocusesonthedesignanddebuggi

4、ngandmasteryoftheAMreceiver;understandthereceiverofthemajortechnicalindicators;familiarwiththeroleofmonolithicallyintegratedchipCD7613CPinternalfunctionsandpin;mastercircuitlayout,wiringandwelding.Keywords:superheterodynereceivingsystem;theCD7613CPch

5、ip西安欧亚学院本科论文（设计）目录12前言...........................................................................................................................1毕业设计的任务与要求...........................................................................................22.

6、1设计任务...............................................................................................................22.2设计要求...............................................................................................................23调幅接收机的主要性能指标.

7、..................................................................................33.1频率范围...............................................................................................................33.2中频频率.........................................

8、......................................................................33.3选择性...................................................................................................................33.4灵敏度...................................................