small low-loss intelligent molded module
资源简介: 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...
上传时间: 2013-10-25
上传用户:brain kung
资源简介:为设计高效率、低损耗的PFC电路,本文基于UCC28019进行电路设计。以UCC28019输出的PWM波形来控制Boost升压斩波为核心电路,使电路中的电容交替地充放电、电感交替的储存和释放能量,最后实现在输入AC20V~24V电压情况下稳定输出DC38V。测试结果表明,系统实现效率...
上传时间: 2022-04-03
上传用户:
资源简介: 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...
上传时间: 2013-11-14
上传用户:ynwbosss
资源简介: 为了有效地提升铅酸蓄电池的使用寿命,同时实现对充电过程的监控,设计出一种用单片机控制的36 V铅酸蓄电池充电电源。本电路采用反激式拓扑,连续电流工作模式,电源管理IC设计在电源的副边,由ELAN公司的EM78P258N单片机模拟,是用可编程器件模拟电源管理I...
上传时间: 2013-11-16
上传用户:cepsypeng
资源简介:This paper analyzes the vector control theory of asynchronous motors based on the magnetic orientation of motor rotors, and its mathematical model is made. Then the variable frequency vector speed-adjusting experimental system is built with...
上传时间: 2013-12-08
上传用户:shinesyh
资源简介:Power Electronics is one of modern and key technologies in Electrical and Electronics Engineering for green power, sustainable energy systems, and smart grids. Especially, the transformation of existing electric power systems into smart gri...
上传时间: 2020-06-07
上传用户:shancjb
资源简介:基于TMS320F28035芯片为控制核心的空间矢量异步电机变频器 我们设计的异步电机变频调速器以TMS320F28035芯片为控制核心,通过输出三相PWM波控制智能功率模块IPM驱动三相异步电机。我们使用空间矢量SVPWM算法,并对其进行了优化。采用检测反电势的方法省去了...
上传时间: 2022-05-08
上传用户:zhanglei193
资源简介:FatFs06.rar FatFs is a generic file system module to implement the FAT file system to small embedded systems. The FatFs is written in compliance with ANSI C, therefore it is independent of hardware architecture. It can be incorporated into...
上传时间: 2016-11-17
上传用户:chenxichenyue
资源简介: Traditionally, an Electronic Circuit Breaker (ECB) comprisesa MOSFET, a MOSFET controller and a current senseresistor. The LTC®4213 does away with the sense resistorby using the RDS(ON) of the external MOSFET. The resultis a simple, s...
上传时间: 2014-03-02
上传用户:lixinxiang
资源简介:介绍了一种TI公司最新推出的MSP430F247单片机,利用它自带的I2C模块驱动I2C总线的温度传感器TMP275。TMP275是一款具有高精度、低功耗的新型温度传感器。由于TMP275具有可编程功能,纤小的封装以及极大的温度范围,因而广泛应用于组建超小型温度测量装置。 A...
上传时间: 2013-12-06
上传用户:asdfasdfd
资源简介:为降低成本和解决现有膜片钳放大器系统中PC机的干扰问题,研究了一种基于单片机的膜片钳放大器小系统。该系统采用ADI公司生产的ADuC841作为控制核心,并且配置相应的液晶显示模块LCM3202401。模拟电路部分采用高输入阻抗的AD8627实现微电流信号的采集,并由后...
上传时间: 2013-11-06
上传用户:yy_cn
资源简介:ARM7硬件说明与开发 The ARM7 is a low-power, general purpose 32-bit RISC microprocessor macrocell for use in application or customer-specific integrated circuts (ASICs or CSICs). Its simple, elegant and fully static design is particularly...
上传时间: 2013-12-17
上传用户:3到15
资源简介:This document describes the uIP TCP/IP stack. The uIP TCP/IP stack is an extremely small implementation of the TCP/IP protocol suite intended for embedded systems running low-end 8 or 16-bit microcon-trollers. The code size and RAM requirem...
上传时间: 2015-09-18
上传用户:zsjinju
资源简介:SAMSUNG’s S3C2440A is designed to provide hand-held devices and general applications with low-power, and high-performance microcontroller solution in small die size. To reduce total system cost, the S3C2440A includes the following compon...
上传时间: 2013-12-18
上传用户:zhenyushaw
资源简介:SimpliciTI™ -1.0.3.exe for CC11xx and CC25xx SimpliciTI is a simple low-power RF network protocol aimed at small (<256) RF networks. Such networks typically contain battery operated devices which require long battery life, low data ra...
上传时间: 2014-11-05
上传用户:rishian
资源简介:SimpliciTI™ -1.0.4.exe for CC2430 SimpliciTI is a simple low-power RF network protocol aimed at small (<256) RF networks. Such networks typically contain battery operated devices which require long battery life, low data rate and low...
上传时间: 2016-05-21
上传用户:R50974
资源简介:Top module name : SHIFTER (File name : SHIFTER.v) 2. Input pins: SHIFT [3:0], IN [15:0], SIGN, RIGHT. 3. Output pins: OUT [15:0]. 4. Input signals generated from test pattern are latched in one cycle and are synchronized at clock rising...
上传时间: 2013-12-13
上传用户:himbly
资源简介:Top module name : SHIFTER (File name : SHIFTER.v) 2. Input pins: SHIFT [3:0], IN [15:0], SIGN, RIGHT. 3. Output pins: OUT [15:0]. 4. Input signals generated from test pattern are latched in one cycle and are synchronized at clock rising...
上传时间: 2014-01-20
上传用户:三人用菜
资源简介:The PW2163 is a high efficiency 500 kHz synchronous step-down DC-DC converter capable ofdelivering 3A current. The PW2163 operates over a wide input voltage range from 4.5V to 18V andintegrates main switch and synchronous switch with very l...
上传时间: 2022-02-11
上传用户:
资源简介:以AT89S52单片机为控制核心,采用电容降压技术,Buck电路拓扑,PWM驱动模块和功率器件散热设计,通过高速的数据采集、主功率输入输出模块和控制模块,设计一种新型智能车载充电器.在充电过程中,通过负脉冲瞬间放电实现对铅酸蓄电池的再生修复,提高电池的有效容量,...
上传时间: 2022-03-27
上传用户:
资源简介:文章提出了一种基于AT89S51单片机的智能家居系统的设计,该系统具有室内煤气以及烟雾的检测、家庭室内防盗等功能。文章详细分析了系统的总体设计,详尽分析并设计了煤气传感器模块、烟雾传感器模块、人体红外感应传感器模块、报警模块等各硬件部分,并利用PROTUE...
上传时间: 2022-03-28
上传用户:
资源简介:电学中的测量技术涉及范围非常广,电流测量在电学计量中占有非常重要的位置。如何精确地进行电流测量是精密测量的一大难题。传统的电流检测电路多采用运算放大芯片与片外电流检测电路相结合的方式,电路集成度很低,需要较多的接口和资源才能完成对电路的检测。...
上传时间: 2022-04-03
上传用户:
资源简介:MotioninterfaceTM is becoming a "must-have"function being adopted by smartphone and tablet manufacturers due to the enormous value it adds to the end user experience. In smartphones, it finds use in applications such as gesture commands for...
上传时间: 2022-07-06
上传用户:zhaiyawei
资源简介:研祥集团pc104
上传时间: 2013-07-13
上传用户:eeworm
资源简介:本文分析了误码仪系统需求,制定出误码仪由误码测试子系统和人机界面子系统构成的总体结构图.提出采用FPGA进行误码测试子系统模块设计,提高了系统功能扩展性和系统的集成度,使用嵌入式操作系统进行系统应用软件设计提高系统实时性.研究了传统误码仪在误码测试...
上传时间: 2013-07-10
上传用户:yolo_cc
资源简介:Abstract: Class D amplifiers are typically very efficient, making them ideal candidates for portable applications that require longbattery life and low thermal dissipation. However, electromagnetic interference (EMI) is an issue that common...
上传时间: 2013-11-23
上传用户:哈哈hah
资源简介: Photodiodes can be broken into two categories: largearea photodiodes with their attendant high capacitance(30pF to 3000pF) and smaller area photodiodes withrelatively low capacitance (10pF or less). For optimalsignal-to-noise performan...
上传时间: 2013-10-28
上传用户:hanbeidang
资源简介: The MAX2691 low-noise amplifier (LNA) is designed forGPS L2 applications. Designed in Maxim’s advancedSiGe process, the device achieves high gain andlow noise figure while maximizing the input-referred 1dBcompression point and the 3rd...
上传时间: 2014-12-04
上传用户:zaocan888
资源简介:高的工作电压高达100V N双N沟道MOSFET同步驱动 The D810DCDC is a synchronous step-down switching regulator controller that can directly step-down voltages from up to 100V, making it ideal for telecom and automotive applications. The D810DCDC u...
上传时间: 2013-10-24
上传用户:wd450412225
资源简介: Low power standby requirements are typically associatedwith battery-powered systems. Automotive systems,for example, commonly require power supplies tomaintain output voltage regulation even under no-loadconditions—while drawing minim...
上传时间: 2013-11-20
上传用户:xinyuzhiqiwuwu