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电源技术  DN436微型全桥压电马达驱动器

&nbsp; Piezoelectric motors are used in digital cameras for autofocus,zooming and optical image stabilization. Theyare relatively small, lightweight and effi cient, but theyalso require a complicated driving scheme. Traditionally,this challenge has been met with the use ofseparatecircuits, inclu ...

https://www.eeworm.com/dl/505/24328.html

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电源技术  两相同步降压型控制器具有轻负载逐级递减模式

&nbsp; Today&rsquo;s computer, datacom, and telecom systems demandpower supplies that are effi cient, respond quicklyto load transients and accurately regulate the voltageat the load. For example, load current can be measuredby using the inductor DCR, thus eliminating the needfor a dedicated sen ...

https://www.eeworm.com/dl/505/24340.html

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单片机编程  基于AVR的新型防汽车追尾安全装置设计

针对目前汽车追尾事件频发问题，提出一种防汽车车前和车后追尾的安全装置设计。该设计以高性能、低功耗的8位AVR微处理器ATmega8L为核心，结合霍尔式车速传感器、激光雷达测距装置和MMA7260QT加速度传感器，能够兼顾车前和车后，摒弃以往设计中只考虑车前或车后单一性缺点，尤其适用于高速、夜晚或新手行车。 Abstract: & ...

https://www.eeworm.com/dl/502/29187.html

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单片机编程  基于ATmega16的简易示波器设计

介绍了以AVR单片机ATmega16为核心，采用前端信号调理电路、程控增益放大器以及波形显示LCD（GDM12864A）实现的一个简易示波器。并给出该系统设计的硬件和软件设计方案。 Abstract: &nbsp;Abstract:This paper introduces an easy digital storage oscilloscope based on the AVR microcontroller ATmega16,especially em ...

https://www.eeworm.com/dl/502/29200.html

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单片机编程  基于8051F330的音频信号发生器的设计

&nbsp;MMC/SD卡以其优越的性能，在单片机嵌入式设备中得到广泛应用。将MMC/SD卡作为外部掉电存储介质应用于音频信号发生器中，通过8051F330单片机上的SPI接口，实现单片机—MMC/SD卡的存储扩展，设计了此硬件平台上的MMC/SD卡的单片机驱动程序，并给出了相应的程序代码，满足音频信号发生器的大容量存储要求。 Abstract: ...

https://www.eeworm.com/dl/502/29309.html

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单片机编程  LS7266R1在电子式万能材料试验机中的应用

针对材料试验机等设备中要求测量或控制材料拉伸或压缩的位移，一般采用光电轴角编码器检测位置信号，输出正交编码脉冲信号。若采用其他方法检测位置信号，必然导致电路设计复杂，可靠性降低。因此，提出一种基于LS7266R1的电子式万能材料试验机设计方案。给出了试验机中的控制器工作原理，LS7266R1与单片机的接口硬件设计， ...

https://www.eeworm.com/dl/502/29324.html

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单片机编程  P90CL301 IIC驱动电路的例行测试及其程序

The P90CL301 is a highly integrated 16/32 bit micro-controller especially suitable for applications requiring lowvoltage and low power consumption. It is fully software compatible with the 68000. Furthermore, it provides bothstandard as well as advanced peripheral functions on-chip.One of these peri ...

https://www.eeworm.com/dl/502/31377.html

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教程资料  WP151 - Xilinx FPGA的System ACE配置解决方案

Design techniques for electronic systems areconstantly changing. In industries at the heart of thedigital revolution, this change is especially acute.Functional integration, dramatic increases incomplexity, new standards and protocols, costconstraints, and increased time-to-market pressureshave bo ...

https://www.eeworm.com/dl/fpga/doc/32581.html

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无线通信  RF Power Amplifiers for Wireless Communications, Second Edition

When I started writing the first edition of RF Power Amplifiers for Wireless Communications,some time back in 1997, it seemed that I was roaming a largely uninhabitedlandscape. For reasons still not clear to me there were few, if any, otherbooks dedicated to the subject of RF power amplifiers. Rig ...

https://www.eeworm.com/dl/510/36011.html

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无线通信  快速跳频通信系统同步技术研究

同步技术是跳频通信系统的关键技术之一，尤其是在快速跳频通信系统中，常规跳频通信通过同步字头携带相关码的方法来实现同步，但对于快跳频来说，由于是一跳或者多跳传输一个调制符号，难以携带相关码。对此引入双跳频图案方法，提出了一种适用于快速跳频通信系统的同步方案。采用短码携带同步信息，克服了快速跳频难以携带 ...

https://www.eeworm.com/dl/510/36495.html

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