·300M内部时钟频率 ·可进行频移键控（FSK），二元相移键控（BPSK），相移键控（PSK），脉冲调频（CHIRP），振幅调制（AM）操作 ·正交的双通道12位D/A转换器 ·超高速比较器，3皮秒有效抖动偏差 ·外部动态特性： 80 dB无杂散动态范围（SFDR）@ 100 MHz (±1 MHz) AOUT ·4倍到20倍可编程基准时钟乘法器 ·两个48位可编程频率寄存器 ·两个14位可编程相位补偿寄存器 ·12位振幅调制和可编程的通断整形键控功能 ·单引脚FSK和BPSK数据输入接口 ·PSK功能可由I/O接口实现 ·具有线性和非线性的脉冲调频（FM CHIRP）功能，带有引脚可控暂停功能 ·具有过渡FSK功能 ·在时钟发生器模式下，有小于25 ps RMS抖动偏差 ·可自动进行双向频率扫描 ·能够对信号进行sin(x)/x校正 ·简易的控制接口： 可配置为10MHZ串行接口，2线或3线SPI兼容接口或100MHZ 8位并行可编程接口 ·3.3V单电源供电 ·具有多路低功耗功能 ·单输入或差分输入时钟 ·小型80脚LQFP 封装
上传时间： 2019-08-06
上传用户：fuxy
The new digital radio system DAB (Digital Audio Broadcasting, nowadays often called Digital Radio) is a very innovative and universal multimedia broadcast system which will replace the existing AM and FM audio broadcast services in many parts of the world in the future. It was developed in the 1990s by the Eureka 147/DAB project. DAB is very well suited for mobile reception and provides very high robustness against multipath reception. It allows use of single frequency networks (SFNs) for high frequency efficiency.
标签： Broadcasting Principles Digital Audio
上传时间： 2020-05-27
上传用户：shancjb
Before I can present design concepts or tactical wireless communications and network challenges, I feel the need to mention the challenges of writing for a field where some information is not available for public domain and cannot be included in this book’s context. Another challenge is the use of military jargon and the extensive number of abbreviations (and abbreviations of abbreviations!) in the field. Engineering books are naturally dry, and I have attempted to make it light by presenting the concepts in layman’s terms before diving into the technical details. I am structuring this book in such a way as to make it useful for a specialized graduate course in tactical communications and networking, or as a reference book in the field.
标签： Communications Tactical Networks Wireless and
上传时间： 2020-06-01
上传用户：shancjb
This is a practical book, to be sure, but it is also a book about hope and posi- tive change. I am quite sincere. The delivery of electricity is deeply rooted in the principle of universal access; when clean, reliable energy is available it contributes to poverty alleviation, improved social conditions, and enhanced economic development. In the developed world, we know this to be true. The digital fabric of our lives is a testimony to the importance of energy security. Across the globe, we have seen the vital contributions that electrification has brought to the development of economies and an enhanced quality of life. Nonetheless, this supreme engineering achievement has languished, and we are deeply challenged.
标签： Strategies Analytics Data Big
上传时间： 2020-06-07
上传用户：shancjb
It was the publisher’s idea that I write RFID in the Supply Chain: A Guide to Selection and Implementation . Not only am I editor of Enterprise Inte- gration System , Second Edition Handbook and author of The Complete Book of Middleware , I also had some innovative business process and project management ideas on improving the effectiveness of integrating enterprise systems with information on product traceability, the scope of which has been widened by the RFID technology mandates.
标签： Selection Supply Chain Guide RFID the in to
上传时间： 2020-06-08
上传用户：shancjb
The purpose of this book is to present detailed fundamental information on a global positioning system (GPS) receiver. Although GPS receivers are popu- larly used in every-day life, their operation principles cannot be easily found in one book. Most other types of receivers process the input signals to obtain the necessary information easily, such as in amplitude modulation (AM) and frequency modulation (FM) radios. In a GPS receiver the signal is processed to obtain the required information, which in turn is used to calculate the user position. Therefore, at least two areas of discipline, receiver technology and navigation scheme, are employed in a GPS receiver. This book covers both areas.
标签： Fundamentals_of_Global_Positionin g_System_Receivers
上传时间： 2020-06-09
上传用户：shancjb
I can remember buying my first electronic calculator. I was teaching a graduate level statistics course and I had to have a calculator with a square root function. Back in the late 1960s, that was a pretty high-end requirement for a calculator. I managed to purchase one at the “educational discount price” of $149.95! Now, I look down at my desk at an ATmega2560 that is half the size for less than a quarter of the cost and think of all the possibilities built into that piece of hardware. I am amazed by what has happened to everything from toasters to car engines. Who-da-thunk-it 40 years ago?
上传时间： 2020-06-09
上传用户：shancjb
I am presenting this novel book on advances and trends in power electronics and motor drives to the professional community with the expectation that it will be given the same wide and enthusiastic acceptance by practicing engineers, R&D professionals, univer- sity professors, and even graduate students that my other books in this area have. Unlike the traditional books available in the area of power electronics, this book has a unique presentation format that makes it convenient for group presentations that use Microsoft’s PowerPoint software. In fact, a disk is included that has a PowerPoint file on it that is ready for presentation with the core figures. Presentations can also be organized using just selected portions of the book
标签： Electronics Advances Drives Power Motor And
上传时间： 2020-06-10
上传用户：shancjb
194个Protel99ses设计经典电路原理图PCB工程文件合集，可以做为你的学习设计参考1820温度采集.ddb2003院电子竞赛.ddb2005CCTVROBOT.ddb2051流水灯.ddb232通信电路.ddb300M射频遥控电路.ddb458通信.ddb4X4动态扫描键盘.ddb4X4键盘.ddb51单片机最小系统.ddb555延时关灯.ddb61A板电路原理图.DDB8人表决器.ddbADC0832.DDBaltra下载电缆.DDBARM7MP3.ddbARMPower.ddbAtmega128.DDBATMEGA162.ddbATmega8最小系统板.ddbAVR.LibAVRJTAG.ddbAVR_KIT_MAINBOARD_v23_M2_OUT.DDBAVR_OSD.DDBAVR下载器.DDBBH1417+2051.DDBC2051红外遥控器.DdbCCD_control_1.ddbCLAADD8S.DDBCOM-RS232.ddbcommon.ddbdatacollector.ddbdds-huang1.ddbDDS_FPGA.ddbDDS_FPGA_OK.ddbDS12887.DDBFPGA-10K10单片机配置.DDBFPGA下载线.DdbGpro--桂电烧.DDBhuangqin.ddbhuangqin_2007-11-20.ddbI2C脉宽调制器.ddbICL7107.DDBIDE-TO-USB.ddbISP下载线.Ddbj113与k399功放.ddbLED电子钟.ddbLIJING.ddbLM3886功率放大器.DdbLM3S101核心板.ddbLPC2131pack.DdbLPC2292.ddbMAX7219.DDBMCU-Control.DDBOLED.ddbPCB1.DDBPCB11.DDBPCM语音编解码.ddbPC红外遥控器.ddbPT2262_PT2272无线收发-OK.DdbPT2262_PT2272无线收发.DdbPWM电机驱动.ddbRTL8019网卡.ddbSD_CARD_99SE.DDBTC1297功放.ddbTDA2004功放.ddbTDA2030功放.ddbTDA7240 功放.ddbTDA7294.ddbTDA7294功放.ddbtest.ddbWIGGLE.DDB三极管动态LED.ddb串行LCD驱动.Ddb串行显示模块.ddb串行点阵LCD.ddb串行键盘165-完成.ddb串行键盘165.ddb主控板.DDB主控板1.DDB交通灯交通灯.ddb低频功率放大器.ddb信号号发生器.ddb光控变色蠕虫.ddb八路AD.ddb具有看门狗的单片机电机控制.ddb冷光电源.ddb出租车计费器.ddb单片机在线编程板-下载板.Ddb单片机编码-机器人.Ddb单片机编码2-机器人.Ddb单片机解码-机器人.Ddb单片机解码2-机器人.Ddb参考电路.DDB双15V+5V稳压电源.ddb双稳压电源.Ddb基于1302的万年历8951.ddb基于M16的信号采集系统.ddb基于MC145170的调频锁相环收音机.Ddb声控延时灯.ddb多功能定时器.ddb多功能编程器.ddb完美的编程器.DDB巡线板.DDB常用封装库1.Ddb常用库元件.Ddb广西电子竞赛.ddb序列号发生器.ddb彩电待机节电器.DDB微机综合设计.ddb手机.DDB打印专用.Ddb控制板.DDB搜球机.ddb搜球机_完成.ddb搜球机通信电路.ddb放大器.DDB教室灯控制器.ddb数字电位器.Ddb数字钟1.ddb数控电压表.ddb数控电源.DDB数控直流电流源.ddb数码管1.DDB数码音响修改完成无线串口通信.ddb无线报警器.ddb智能充电器--OK.ddb智能充电器-huang.DDB智能车--完成.ddb最简单的AVR编程器模电实验.ddb步进电机控制-修改版.DDB水开报警器.ddb水温控制器.ddb汽车防盗器.ddb波形发生器1.Ddb波形发生器1完成.Ddb涡流测厚仪涡流测厚仪-8位低精度.ddb涡流测厚仪.ddb液体点滴速度监控装置.ddb温度定时巡检系统.ddb温湿度控制.ddb滤波器.ddb激光测液位.Ddb电机伺服控制.ddb电机控制电路.ddb电机驱动模块.ddb电源.ddb电话报警器.ddb直接合成信号发生器.ddb看门狗MAX813L.ddb稳压电源.ddb简易51单片机编程器简易无线红外耳机.ddb简易编程器-卢打印.DDB简易编程器-黄.Ddb简易频率特性测试仪.ddb精密光电放大器0.ddb精密光电放大器1-黄.ddb精密恒流源数控部分.ddb精密放大器1.ddb红外发射器.ddb红外循迹.ddb红外接收头放大与整形电路.ddb红外控制灯.ddb红外线光控开关.ddb红外遥控数字钟.Ddb红外遥控电子钟.ddb耳机放大器.ddb自制PIC单片机编程器电路.DDB自适应巡线板.ddb舞蹈机器人.ddb调光电路.ddb通用放大器-错误.Ddb通用放大器.Ddb铁人三项.ddb锁相环函数发生器-修改.Ddb锁相环函数发生器-原版.Ddb锁相环函数发生器_优化版.ddb锁相环电机稳速.ddb频率计.ddb高精度信号放大与采集器.ddb高精度频率计.ddb
标签： protel99ses 电路 原理图 pcb
上传时间： 2021-10-25
上传用户：slq1234567890
基础教程，亲测好用，寄存器级编程！希望对大家有帮助！示例中用到的芯片是STM32F103C8，blue pill 小板，oled 为i2c接口。
上传时间： 2021-10-25
上传用户：
