AD9547是双路/四路输入网络时钟发生器/同步器,能为许多系统包括同步光网络(SONET/SDH)提供同步.输入基准频率从1 kHz 到750 MHz,频率监视1ppm,输出频率高达450MHz,主要应用在网络同步,OC-192的SONET/SDH时钟,无线基站
AD9547是双路/四路输入网络时钟发生器/同步器,能为许多系统包括同步光网络(SONET/SDH)提供同步.输入基准频率从1 kHz 到750 MHz,频率监视1ppm,输出频率高达450MHz,主要应用在网络同步,OC-192的SONET/SDH时钟,无线基站
The LTR3760 is an 8-channel LED driver with a step-up DC/DC controller capable of driving up to 45V of LEDs. Each channel contains an accurate current sink with ±2% current matching. Channels foll
The LTR3760 is an 8-channel LED driver with a step-up DC/DC controller capable of driving up to 45V of LEDs. Each channel contains an accurate current sink with ±2% current matching. Channels foll
汽车主动安全系统领域的重要角色——TPMSTPMS是汽车轮胎压力实时监视系统“Tire Pressure Monitoring System”的英文缩写,主要用于在汽车行驶时实时地对轮胎气压进行自动监测,对轮胎漏气和低气压进行报警,以保障行
AR1688系列VOIP话机的无线升级方案设计 引言 VOIP(Voice Over IP,通过IP数据包发送实现的语音业务),是一种利用Internet作为传输载体来实现计算机与计算机、普通电话与普通电话、计算机与普通电话之间进行话音
PowerPSoC™ Intelligent LED Driver:CY8CLED04G01,CY8CLED03G01,CY8CLED03D01, CY8CLED03D02, CY8CLED04D01, CY8CLED04D02 The PowerPSoC family incorporates programmable system-on-chip technology w
Fairchild 公司的FAN6754 是高度集成的绿色模式(Green-Mode) PWM控制器,以增强反激电源转换器的性能.为了最小化待机功耗, 绿色模式功能提供关时调制,连续降低轻负载的开关频率.工作电流1.7mA,固定PWM频率为65KHz,可线
1-5W MR16 LED驱动GreenPoin解决方案 This reference document describes a built and tested, GreenPoint® solution for a 1 to 5WLED driver for MR16 LED replacement. The circuit is proposed for drivi
On Semi NCP3065 MR16 LED 1-5W驱动解决方案On Semi公司的NCP3065是高达1.5A恒流开关稳压器,输入电压从3.0V到40V,反馈电压235mV,工作频率可调整到高达250kHz,逐个周期限流,主要用在汽车照明,大功率LED驱动器,恒流源已
如果将上世纪70年代末单片机的出现作为嵌入式系统技术发展的起点的话,其发展历程几乎与中国社会改革开放同步,已经走过30年的历程。与Windows操作系统和Intel处理器占垄断地位的计算机平台不同的是,嵌入式系统的技
汽车热限制器的烙铁 Auto Heat Limiter for Soldering IronWattage of load10W18W25W35W65W80WValue of R5 (in ohms)330180136 (68+68)1005644 (22+22)Wattage of R5 (in watts)01020204056.5 Usually a solderin
6通道自动逆向行驶灯顺序迪斯科 6 Channel Auto Reverse Sequential Disco Running LightsFrom 230 V AC a DC supply of + 5 V is obtained. The power supply is given to the other blocks. The pulse generator
简单的直流电机PWM调速电路 Simple DC motor PWM speed controlThe 555 is ubiquitous and can be used as simple PWM speed controlCircuit Explaination: The 555 Ic is wired as an astable and the frequency i
简单的LED电源项目电路 A power source for simple LED projectsLED's are great display tools. Their prices have decreased to a point where they are replacing more conventional light sources. In one sense