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电源技术  快速,高效,独立型NiMH,NiCd电池充电

&nbsp; Although recent popular attention is focused on LithiumIon batteries, one must not forget that other batterychemistries, such as Nickel Cadmium (NiCd) and NickelMetal Hydride (NiMH) have advantages in rechargeablepower systems. Nickel-based batteries are robust, capableof high discharge r ...

https://www.eeworm.com/dl/505/24299.html

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电源技术  电压基准的理解和应用

&nbsp; Specifying the right reference and applying it correctly isa more difficult task than one might first surmise, consideringthat references are only 2- or 3-terminal devices.Although the word &ldquo;accuracy&rdquo; is most often spoken inreference to references, it is dangerous to use this ...

https://www.eeworm.com/dl/505/24360.html

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电源技术  测量和控制电路的热管理技术

  Designers spend much time combating thermal effects incircuitry. The close relationship between temperature andelectronic devices is the source of more design headachesthan any other consideration.

https://www.eeworm.com/dl/505/24362.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  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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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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单片机编程  基于MSP430F1611单片机的音频信号分析仪设计

　　为了使音频信号分析仪小巧可靠，成本低廉，设计了以2片MSP430F1611单片机为核心的系统。该系统将音频信号送入八阶巴特沃兹低通滤波器，对信号进行限幅放大、衰减、电平位移、缓冲，并利用一单片机负责对前级处理后的模拟信号进行采样，将采集得到的音频信号进行4 096点基2的FFT计算，并对信号加窗函数提高分辨率，另 ...

https://www.eeworm.com/dl/502/29096.html

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