点击切换搜索课件文库搜索结果(990)
文档格式:PDF 文档大小:499KB 文档页数:14
(1) Hole particle current from E to B (2)Electron particle current from B to E (3)Recombination current in B (4) Hole particle current originating in E and reaching C (5)Reverse electron particle current from c to B (6) Reverse hole particle current from b to c (What is difference between \current\ and\particle current ? OE F Schubert, Rensselaer Polytechnic Institute, 2003
文档格式:PDF 文档大小:175.28KB 文档页数:8
The TA8025P TA8025F is an IC designed for making the esigneo or ma output signal from electromagnetic pick up sensor and etc.... waveform-shaping. The Vth of input has hysteresis that is TA8025P division value between peak voltage of input signal and. Features Input frequency
文档格式:PDF 文档大小:3.25MB 文档页数:61
听觉是一种经过大脑皮层分析的感觉,其由传音结构和感音器官构成,上述两个系统中任何部位因损伤或疾病导致结构或功能障碍,均可以引起听力下降。听力测试是通过声音刺激听觉器官得出的数据来显示听觉系统病变的技术。其目的是通过测试了解听觉功能状态,鉴别听力障碍的类型和程度。听力测试分为主观和客观两种方法
文档格式:PPS 文档大小:6.63MB 文档页数:141
2.1单相可控整流电路 2.2三相可控整流电路 2.3变压器漏感对整流电路的影响 2.4电容滤波的不可控整流电路 2.5整流电路的谐波和功率因数 2.6大功率可控整流电路 2.7整流电路的有源逆工作状态 2.8晶闸管直流电动机系统 2.9相控电路的驱动控制
文档格式:PPS 文档大小:2.88MB 文档页数:118
.1.1电力电子器件概述 1.2不可控器件二极管 1.3半控型器件晶闸管 1.4典型全控型器件 1.5其他新型电力电子器件 1.6力电子器件的驱动 1.7电力电子器件的保护 1.8电力电子器件的串联和并联使用
文档格式:PDF 文档大小:2.32MB 文档页数:26
High power diode laser ROFIN DI Series ROFIN DL X75 750 w ROFIN DL 010 000 W ROFIN DL 015 500 W ROFIN DL 020 2000 w ROFIN DL 025 2500 W ROFIN DL 030 3000 w ROFINI SINAR
文档格式:PPT 文档大小:323KB 文档页数:39
10.1通信网结构的发展 10.2光传送网结构分层与WDM网的物理通道 10.3光交叉连接设备 10.3波长变换技术
文档格式:PDF 文档大小:39.02KB 文档页数:4
Schottky Power Rectifier employing the Schottky Barrier principle in a large area metal-to-silicon power diode. State-of-the-art geometry features oN Semiconductor epitaxial construction with oxide passivation and metal overlay contact. Ideally suited for low voltage, high frequency rectification, or http:/lonsemi.com
文档格式:PDF 文档大小:57.77KB 文档页数:6
The IPMTS.OAT1/T3 Series is designed to protect voltage sensitive components from high voltage, high energy transients http:/lonsemi.com Excellent clamping capability, high surge capability, low zener impedance and fast response time. The advanced packaging technique provides for a highly efficient micro miniature, space PLASTIC SURFACE MOUNT saving surface mount with its unique heat sink design. The
文档格式:PDF 文档大小:105.99KB 文档页数:2
he World's Largest-Capacity 8kV/3.6kA Light-Triggered Thyristor by Katsumi sato* Mitsubishi Electric has developed an 8kV/3.6kA light-triggered thyristor (LTT) based on a six inch wafer for power-converter applications in igh-voltage DC transmission and back-to-back systems. New design features give the device
首页上页56789101112下页末页
热门关键字
搜索一下,找到相关课件或文库资源 990 个  
©2008-现在 cucdc.com 高等教育资讯网 版权所有