搜索：SYSTEMS - 虫虫下载站

电源技术  利用高压看门狗定时器加强汽车安全系统

&nbsp; Abstract: As electronic systems take over many of the mechanical functions in a car&mdash;ranging from engine timing to steering andbraking&mdash;there is a growing concern about fault tolerance. There should not be a single point of failure that would prevent a car fromat least "limping" ...

https://www.eeworm.com/dl/505/24368.html

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电源技术  雪崩光电二极管的偏置电压和电流检测电路

&nbsp; Avalanche photodiodes (APDs) are widely utilized in laserbased fiberoptic systems to convert optical data intoelectrical form. The APD is usually packaged with a signalconditioning amplifier in a small module. An APD receivermodule and attendant circuitry appears in Figure 1. TheAPD modul ...

https://www.eeworm.com/dl/505/24376.html

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电源技术  高效率,高密度,高电流应用的多相转换器

&nbsp; As logic systems get larger and more complex, theirsupply current requirements continue to rise. Systemsrequiring 100A are fairly common. A high current powersupply to meet such requirements usually requires parallelingseveral power regulators to alleviate the thermalstress on the individ ...

https://www.eeworm.com/dl/505/24382.html

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电源技术  笔记本电脑的功率调节系统

&nbsp; Notebook and palmtop systems need a multiplicity ofregulated voltages developed from a single battery. Smallsize, light weight, and high efficiency are mandatory forcompetitive solutions in this area. Small increases inefficiency extend battery life, making the final productmuch more usab ...

https://www.eeworm.com/dl/505/24389.html

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电源技术  LT1300和LT1301在功率DCDC转换器中的应用

&nbsp; The design of battery-powered equipment can often bequite challenging. Since few ICs can operate directly fromthe end-of-life voltage from a 2-cell battery (about 1.8V),most systems require a DC/DCconverter. The systemdesigner often has a limited area in which to place the DC/DC converter ...

https://www.eeworm.com/dl/505/24407.html

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电源技术  Designing Linear Circuits for 5V Operation

  In predominantly digital systems it is often necessaryto include linear circuit functions. Traditionally, separatepower supplies have been used to run the linear components(see Box, “Linear Power Supplies—Past, Present,and Future”).

https://www.eeworm.com/dl/505/24409.html

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电源技术  电网现场作业管理系统的信息化设计

为了改变目前电网现场作业管理的变电巡检、变电检修试验、输电线路巡检检修等管理系统各自独立运行，信息不能共享，功能、效率受限，建设和维护成本高的现状，提出了采用B/S+C/S构架模式，将各现场作业管理模块和生产MIS（管理系统）集成为一体的现场作业管理系统的设计方案，做到各子系统和生产MIS软硬资源共享，做到同一 ...

https://www.eeworm.com/dl/505/24419.html

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电源技术  电流检测电路手册

　　Sensing and/or controlling current flow is a fundamental requirement in many electronics systems, and the tech-niques to do so are as diverse as the applications them-selves. This Application Note compiles solutions to cur-rent sensing problems and organizes the solutions by general application ...

https://www.eeworm.com/dl/505/24426.html

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电源技术  Wide-input dc/dc modules offer

When a system designer specifies a nonisolated dc/dc powermodule, considering the needed input voltage range isequally as important as considering the required performanceattributes and features. Generally, nonisolated moduleshave either a narrow or a wide input voltage range. Narrowinputmodules typ ...

https://www.eeworm.com/dl/505/24438.html

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单片机编程  基于8098单片机的SPWM变频调速系统

　　数字控制的交流调速系统所选用的微处理器、功率器件及产生PWM波的方法是影响交流调速系统性能好坏的直接因素。在介绍了正弦脉宽调制(SPWM)技术的基础上，设计了一种以8098单片机作为控制器，以智能功率模块IPM为开关器件的变频调速系统。通过软件编程，产生正弦脉冲宽度调制波形来控制绝缘栅双极晶体管的导通和关断， ...

https://www.eeworm.com/dl/502/29059.html

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