-Circuit diagrams for some commonly used communication devices. Many are operated under high frequency.

无线接收





........\FMA9901A调频广播专用天线.gif
........\MC13175-76调频接收电路.gif
........\MC13176接收电路.gif
........\MC3359接收电路.gif
........\MC3361B电路.gif
........\MC3362电路.gif
........\sony公司的高品质调频立体声接收芯片CXA1238M 2.jpg
........\sony公司的高品质调频立体声接收芯片CXA1238M.jpg
........\TP－10A型25W室外防雨调频音箱电路图.jpg
........\TP－8CB型10W调频音箱电路图.jpg
........\TP－9型10W室外防雨调频音箱电路图.jpg
........\几款无线耳机的制作与试用体会.jpg
........\收音频率液晶显示收录机电路图(1).jpg
........\收音频率液晶显示收录机电路图.jpg
........\新颖的调频接收机电路.gif
........\经典高频头电路.jpg
........\袖珍FM电调谐收音机电路.gif
........\调频型无线耳机电路.jpg
........\调频无线话筒接收机电路.jpg
........\高保真无线立体声音箱电路图.jpg
........\高保真无线立体声音箱电路图引脚功能图.jpg
........\高性能双频无线话筒接收电路.jpg
........\高灵敏无线探听器电路.gif
无线电路





........\几款无线耳机的制作与试用体会.jpg
........\收音频率液晶显示收录机电路图(1).jpg
........\调频发射机的制作电路（晶振80mW）.gif
........\调频发射机的制作电路（晶振80mW）2.gif
........\调频型无线耳机电路.jpg
........\高性能双频无线话筒接收电路.jpg
通信电路





........\使用真正USB芯片及M8的ISP --.jpg
........\使用真正USB芯片及M8的ISP -.jpg
........\使用真正USB芯片及M8的ISP.jpg
........\使用真正USB芯片及M8的ISP2.jpg
........\使用真正USB芯片及M8的ISP3.jpg
........\同线电话转接装置(1).gif
........\同线电话转接装置(2).gif
........\小巧电话分线器.gif
........\用LM386制作半双式对讲机电路.gif
........\电力载波放大电路.gif
........\电话占线指示器电路.gif
........\电话占线指示器电路2.gif
........\电话占线指示器电路3.jpg
........\电话扩音录音附加装置.gif
........\电话模拟摘机电路.jpg
........\电话自动录音控制装置.gif
........\简易单位内部电话交换机电路.jpg
........\自制USB口ISP(2313模拟USB)1.jpg
........\自制USB口ISP(2313模拟USB)2.jpg

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