电流舵型DAC,其功能是将N-bits的数字信号Din转换为对应大小的模拟电流量Iout。 1.1 电流开关型DAC 最简单的结构如下图所示,数字信号的每一位都通过开关来控制电流的输出,根据数字信号(二进制数)的位数,电流源的大小以2(二进制数的权重)的倍数增加,这样便实现了将数字信号转换为模拟的电流输出。 其中,D0代表最...
structures,currentcalibrationanddecodemethodsaswellasthelayout placement,theSPEC.(specifications)of theDACwereproposed+Andaccording totheSPEC,itsarchitectureandkeymodulesweredesignedandoptimized. TheCurrent—steeringDACe黼beimplementedby either binary-weighted ...
本发明公开了一种current steering DAC开关阵列驱动电路,包括驱动器1,驱动器2,驱动器3,驱动器4,驱动电压Vg1,驱动电压Vg2,驱动电压Vg3,驱动电压Vg4,功率开关管MP1,功率开关管MP2,功率开关管MP3,功率开关管MP4,PMOS管Md1,NMOS管Md2,PMOS管Md3,PMOS管Md4,电压源VDD1,电压源VDD2,电压Vcom,输入信号Din和输入...
本论文研究主要是提出十二位元每秒二百万次取样率电流导向式数位/类比转换器(Current-Steering DAC)。该转换器利用5+7区 … nthur.lib.nthu.edu.tw|基于 1 个网页 2. 电流控制数位类比转换器 ...生更精准的相位分布,而在决定最佳取样点方面,则使用电流控制数位类比转换器(current-steering DAC)的架构来减小设...
A 11bit 200Msps current steering DAC is implemented in GSMC 0.18μm CMOS mix-signal process. When the frequency of full range input are 20MHz, 40MHz, 60MHz and 80MHz at 200MHz sampling rate, the SFDR of DAC achieves 75.3dB, 70.8dB, 62.2dB, 60.7dB respectively. 展开 关键词:...
关键词: CMOS integrated circuits digital-analogue conversion phase change memories CMOS technology binary-weighted current steering digital-to-analog converter phase change memory CMOS technology Circuit topology Digital-analog conversion Driver circuits ...
Current Steering DAC的Matlab建模与电路设计 {Matab系统建模的方法,掌握“至上而下”的电路设计方法} ￥3599.00 一年视频有效期 200小时实训机时间 立即购买 详情 目录 试学 售前咨询授课老师 模拟Tiger老师 模拟设计专家,擅长ADC的设计。 热门课程 系列课 PCIe IP之UVM验证实战(新) ¥5499.00 388人在学 系列课...
DAChigh swing cascade current mirrorlow powercurrent steering DACTo build a digital to analog converter, that only receives digital signal that can only receives digital signal and produces only analog signal. A converter in which digital input signals are changed to essentially proportional analog ...
DAChigh speedhigh resolutionself-calibrationcalibration period randomization本论文介绍了一种14-bit, 100MS/s CMOS数模转化器的设计与实现.引入了以模拟电流校准概念为基础模拟后台自校准技术.设计采用了恒定时钟负载开关驱动电路,校准周期随机化电路和输出自归零技术来提高DAC的动态性能.芯片利用中芯国际0.13-μm CMOS...
A prototype 6-bit 3.3-GS/s current-steering full binary DAC was fabricated in a 1P9M 90 ㎚ CMOS process. The DAC shows an SFDR of 36.4 ㏈ at 3.3 GS/s Nyquist input signal. The active area of the DAC occupies only 0.0546 ㎟ (0.21 ㎜ x 0.26 ㎜). 展开 ...