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  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 ...

Features:   High efficiency, high reliability, low cost  AC input range selected by switch  100% full load burn-in test  Protections: Short circuit / Over load  Fixed switching frequency at 25KHz  Cooling by free air convection  1 year warranty   Dim ...

   为深入了解基于UC3854A控制的PFC变换器中的动力学特性，研究系统参数变化对变换器中分岔现象的影响，在建立Boost PFC变换器双闭环数学模型的基础上，用Matlab软件对变换器中慢时标分岔及混沌等不稳定现象进行了仿真。在对PFC变换器中慢时标分岔现象仿真的基础上，分析了系统参数变化对分岔点的影响，并进行了 ...

CCStudio Platinum Edition is available in a number of ways. Existingcustomers who are up-to-date with their subscription service withTexas Instruments will receive their update automatically on a CD inthe mail. New customers who wish to purchase a copy of CCStudioPlatinum Edition can order TMDSCCSAL ...

Introduction to Xilinx Packaging Electronic packages are interconnectable housings for semiconductor devices. The major functions of the electronic packages are to provide electrical interconnections between the IC and the board and to efficiently remove heat generated by the device. Feature sizes a ...

USB接口控制器参考设计,xilinx提供VHDL代码 usb xilinx vhdl ;  This program is free software; you can redistribute it and/or modify ;  it under the terms of the GNU General Public License as published by ;  the Free Software Foundation; either version 2 of the License, or ;  ...

Abstract: This article explains the recent trend in heart-rate and fitness monitors to go wireless toeliminate cables to allow free movement, and allow convenient data collection without the need to plug intheir devices. It details a typical wireless system, using the MAX1472 crystal-referenced ph ...

ExpressPCB 是一款免费的PCB设计软件，简单实使。可以画双层板。 Our Free PCB software is a snap to learn and use. For the first time, designing circuit boards is simple for the beginner and efficient for the professional.   Our board manufacturing service makes top quality two and four lay ...

资料解释说明: CAD图纸看工具免安装版，Free DWG Viewer VO.1版本，是免安装版本，下载后直接使用。迷你.高性能，完美中文字体显示，方便快捷是这款DWG/DXF查看软件的特色，完全满足您工作中看图的需要，而且是免费的，支持图层操作，动态实体信息提示，快速的图形显示，支持实体移动，缩放，操作方式和命令完全相同AutoCAD ...

ExpressPCB 是一款免费的PCB设计软件，简单实使。可以画双层板。 Our Free PCB software is a snap to learn and use. For the first time, designing circuit boards is simple for the beginner and efficient for the professional.   Our board manufacturing service makes top quality two and four lay ...