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▶40瓦调频(FM)广播射频功率放大电路2008-11-17

▶基于UC3842的开关电源保护电路的改进2008-11-14

▶用TDA1521自制小型功放2008-08-27

▶ＵＨＦ频段无线影音发射器的相关技术2008-06-03

▶用TL431制作大功率可调稳压电源2008-05-31

▶自制2.4GHz数字频率计2008-05-31

▶LED数码管动态驱动2008-05-31

▶用收发、编解码模块设计制作的无线抢答器2008-05-29

▶自制无源RS232转485转换器2008-05-15

▶变频器维修检测常用方法2008-05-07

▶12v直流电逆变220v交流电的电路图2008-05-07

▶用通用单片机制作midi键盘2008-04-23

▶红外线反射式防盗报警器2008-04-23

▶制作会说话的布娃娃2008-04-23

▶高灵敏无线探听器2008-04-23

▶高压稳压电源制作2008-04-23

▶用BA328制作的音调控制电路2008-04-05

▶自制魔术灯2008-04-05

▶LM317集成可调稳压电源电路2008-04-05

▶开关电源技术的发展趋势2008-03-31

▶数字电视的基本知识2008-03-30

▶用6P33电子管制作的立体声功率放大器2008-03-21

▶4Y2超声波测距报警控制芯片2008-03-16

▶小功率电视发射机制作2008-03-09

▶IX0689电源应用电路2008-03-09

▶福日F24机芯采用TDA4601的电源2008-03-09

▶金星D2902、D2912电源厚膜块STR-S67082008-03-09

▶业余条件下制作电路板的七种方法2008-03-03

▶色环电阻阻值表示法2008-02-20

▶显象管座高压帽打火的彻底维修2008-02-19

▶常用晶体管集成电路封装图2008-02-18

▶TDA2030A制作的立体声功率放大器2008-02-17

▶用TDA7250驱动制作的100W功放电路2008-02-17

▶NE555汽车多用告警器电路2008-01-17

▶用LA4100-LA4102制作的双声道音频功率放大器2007-12-26

▶100毫瓦电视发射机自制实例2007-12-22

▶采用十字天线的UHF电视发射单元制作2007-12-22

▶智能电话远程控制系统的设计2007-12-21

▶并行I/O口编程实例2007-12-20

▶PROTEL常见问题问答二集2007-12-03

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