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With the increasing daily reliance on networked data systems, the need for failsafe backup of power supply s......
简单的LED电源项目电路 A power source for simple LED projectsLED's are great display tools. Their prices have decreased ......
低功耗闪烁器电路--Low power blink ledR1 = 4 mOhm D1 = Red Led 5mm R2,6 = 10 mOhm T1 = BS170 R3 = 470 Ohm T2 = BC560B R......
Solid State Power ControllerAbout the CircuitThe ckt is built around two 555 timer ICs. U1 and U2. U1 is wired......
LTC4414是一种功率P-EFT控制器,主要用于控制电源的通、断及自动切换,也可用作高端功率开关。该器件主要特点:工作电压范围宽,为3.5~36V;电路简单,外围元器件少;静态电流小,典型值为30μA;能驱动大......
Simple and low cost. The optimal supply voltage is around 50V, but this amp work from 30 to 60V. The maximal i......
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介绍场效应晶体管与 BJT 在工作过程中有很大区别: BJT 中的电荷载体是空穴或被击出的少量的“少子” , FET 中的电荷则是数目相对多几个数量级的自由电子,“多子”。......
单个光电二极管作为接收器件使用常常很难实现高灵敏度,在要求高的场合经常将其与前端放大器集成在一个单片电路上并用金属屏蔽体密封。在高阻抗设计中,由于场效应管FET输入阻抗高,常被选为前端晶体管,与PIN管构成所谓的PIN-......