搜索：PeRFormance - 虫虫下载站

电源技术  离线式LED照明简述

&nbsp; As environmental concerns over traditional lighting increaseand the price of LEDs decreases, high power LEDsare fast becoming a popular lighting solution for offl ineapplications. In order to meet the requirements of offl inelighting&mdash;such as high power factor, high effi ciency, isol ...

https://www.eeworm.com/dl/505/24343.html

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电源技术  基于FPGA的高度集成DCDC稳压器

&nbsp; In a recent discussion with a system designer, the requirementfor his power supply was to regulate 1.5Vand deliver up to 40A of current to a load that consistedof four FPGAs. This is up to 60W of power that must bedelivered in a small area with the lowest height profi lepossible to allow ...

https://www.eeworm.com/dl/505/24375.html

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电源技术  高电压,低噪音,DCDC转换器

&nbsp; Photomultipliers (PMT), avalanche photodiodes (APD),ultrasonic transducers, capacitance microphones, radiationdetectors and similar devices require high voltage,low current bias. Additionally, the high voltage must bepristinely free of noise; well under a millivolt is a commonrequirement ...

https://www.eeworm.com/dl/505/24384.html

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电源技术  高效LCD液晶照明技术

In August of 1992 LTC published Application Note 49, &ldquo;Illumination Circuitry for Liquid Crystal Displays.&rdquo; One notable aspect of this event is that it generated more response than all previous LTC application notes combined. This level of interest, along with significant performanc ...

https://www.eeworm.com/dl/505/24400.html

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电源技术  基于IR2101最大功率跟踪逆变器的设计

为解决直流逆变交流的问题，有效地利用能源，让电源输出最大功率，设计了高性能的基于IR2101最大功率跟踪逆变器，并以SPMC75F2413A单片机作为主控制器。高电压、高速功率的MOSFET或IGBT驱动器IR2101采用高度集成的电平转换技术，同时上管采用外部自举电容上电，能够稳定高效地驱动MOS管。该逆变器可以实现DC/AC的转换，最大 ...

https://www.eeworm.com/dl/505/24421.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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电源技术  CP-1000电源供应器使用手册

CP-1000 是 Antec 新的高阶电源供应器.结合全新的技术,CP-1000 提供了绝佳的性价比. 新的功能有: 革新的电路设计; 较大的空间可以安排电子零件及增进风流; 直流式的风道设计,让风扇的风可以直接吹进机身内部. 使用较大的风扇在低转速时就可以提供很好的风流效果,而且还不会制造噪音.&nbsp; Antec 新的 form factor: CPX, 他 ...

https://www.eeworm.com/dl/505/24624.html

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单片机编程  P89LPC912英文资料

The P89LPC912/913/914 are single-chip microcontrollers in low-cost 14-pin packages, based on a high performance processor architecture that executes instructions in two to four clocks, six times the rate of standard 80C51 devices. Many system level functions have been incorporated into the P89LPC912 ...

https://www.eeworm.com/dl/502/28732.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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单片机编程  基于瑞萨电子微控制器的温度控制系统设计

　　为了提高传统温度控制系统的性能，将PID控制理论与嵌入式系统相结合，采用瑞萨电子公司的H8S/2166作为核心处理器，AD公司的AD7705以及热敏电阻温度传感器作为温度检测单元，利用4&times;6小键盘、LCD显示器和S1D13305液晶控制器达到良好的人机交互，设计出了一个应用于化工领域的嵌入式实时温度控制系统。相比于传统 ...

https://www.eeworm.com/dl/502/29094.html

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