北京大学：《电路分析原理 Circuit Analysis》课程电子课件_第二章 信号的频谱 §3-1 周期信号的频谱

一、光电信号检测电路 １.恒流源型光电检测器

四、各类热电探测器 五、电荷耦合器CCD 六、其他光电器件

光电器件主要分成外光电效应(光电发射效应, 分表面效应和体效应,金属和金属氧化物)和内光电效应(光电导效应和光生伏特效应,半导体) 就光电器件而言,最重要的参数是:灵敏度、驰豫时间和光谱分布。其次是温度特性、噪声特性等

东华大学出版社：《光电信息技术》教材电子教案（PPT课件讲稿）第三章 光电信息转换 3.2.2电荷耦合器（CCD）

Supplement Practical Application Issues of Power Semiconductor Devices and d Gate Triggering Control Circuit for Thyristor Rectifiers

The concept of composite converter Composite converter Combination of two or more converters in cascaded connection Indirect ac to ac converters (AC-DC-AC converters) Composite converters ndirect dc to dc converters

7.1 Basic concepts on soft-switching 7.2 Classification of soft-switching- techniques 7.3 Typical soft-switching circuits and techniques

6.1 Basic principles 6.2 Some major PWM techniques in DC/AC inverters 6.3 PWM techniques with feedback control 6.4 PWM rectifiers

Applications of Inverters Conversion of electric power from DC type energy sources to AC type load -Battery Photovoltaic cell (Solar cell) Fuel cell +As a part of composite converter AC-DC-AC frequency converter(for AC motor drive) AC-DC-AC constant-voltage constant-frequency converter(for uninterruptable power supplies)