数模转换器

Advantage综合录井仪绞车信号数模转换器的研制

Development of the drawworks signal D / A converter for advantage comprehensive mud logging unit

高性能数模转换器DAC900与DSP的接口设计

Design of Interface of DAC 900 with DSP

基于FPGA和高速数模转换器的脉冲成形

Pulse Shaping Based on FPGA and High Speed DAC

一种高速电流型CMOS数模转换器设计

High Speed Current Domain CMOS D / A Converter Design

设计内部计数器和数模转换器，通过变换选通引脚电平控制LED电流，从而对LED进行亮度调节。

The LED current is controlled by strobing two pins via internal counter and DAC , therefore the brightness of LED can be adjusted .

采用Q2randomwalk方法设计了一个新型的双中心对称的电流矩阵，确保数模转换器的线性度。

In order to ensure the linearity of the DAC , a double Centro symmetric current matrix is designed by the Q2 random walk strategy .

驱动电源控制电路电路以FPGA为主控芯片，控制数模转换器完成信号的产生。

Control circuit of the Drives . Using FPGA as the main chip of the circuitry , it controls the DAC to complete signal generation .

提出了一种应用于电流型数模转换器（DAC）的输出电路。

An output circuit used in current-steering digital to analog converter ( DAC ) is proposed .

数模转换器，简称DAC，它是把数字信号转变成模拟信号的器件。

DAC , referred DAC , it is a device which converts digital into analog signal .

电路基于业界领先的CMOS工艺模型，由数字查询表、数模转换器与滤波电路构成。

The circuit is based on the CMOS process from one of the leading foundries and consists of look-up table , DAC and filter .

Nyquist电流型7位20MHz采样率CMOS数模转换器

A 7-bit 20 MSample / s Nyquist Current-steering CMOS DAC

一种新颖的OTA结构的数模转换器

A Novel OTA Digital-Analog Converter

CPLD系统包括EPP并口模块、数据通道选择模块、数模转换器控制模块、SPI功能模块。

CPLD system includes EPP parallel port module , the data channel selection module , digital-control module , SPI modules .

由该准浮栅全差分运算放大器实现了一个12位并行结构的电容定标数模转换器（DAC）。

A12bit parallel capacitor scaling Digital-Analog Converter ( DAC ) is realized using the QFG fully differential op amp .

结果表明：其频谱结构由每个正弦周期中数模转换器的转换次数k决定，该方法和结论对工程实践有意义。

As a result , it 's spectrum structure is decided by change frequency k of DAC in a sine period . The method and the conclusion are useful in the engineering practice .

这个数据会被载入A4和A8区的数模转换器。

Data is loaded into the KVp digital to analog converter on A4 and A8 .

本项目的目的是设计一个10bit高速数模转换器（DAC）的IC芯片。

The purpose of this project is to realize a design of a 10-bit high-speed digital-to-analog converter ( DAC ) .

用专用集成电路流程实现了整合UWB数字基带发射机和数模转换器的片上系统芯片。

Complying with the flow of application specific integrated circuit , it shows the layout of the SoC which including the UWB digital baseband and digital to analog converter .

根据数模转换器（DAC）的特性，基于Verilog-A设计了DAC参数测试模型，也建立8位DAC的行为模型。

Based on the characteristic of digital-to-analog converter , the model of parameter test bench and 8-bit DAC are implemented using Verilog-A.

本项目的目的是设计一种8Bit乘法型高速硅数模转换器IC芯片。

The purpose of this project is to realize a design of an 8 Bit high-speed digital-analog converter ( DAC ) .

数模转换器（DAC）将离散的二进制数字信号转换成与该数字信号成正比的模拟信号。

Digital to analog converter ( DAC ) can convert a discrete binary signal into an analog signal directly proportional to the value of the binary signal .

利用数模转换器R-2R梯形网络

Use R-2R Ladder Network in D to A Converters

Z浮通常由位移传感器、信号检测电路、模数和数模转换器、中央控制器、伺服电机共五部分组成。

The tracking focus device commonly consists of such five parts , the displacement sensor , the measuring circuit , the A / D & D / A , the central controller , the servo electromotor .

通过利用增量式PID控制方法，采用工业控制计算机、计数器/定时器及数模转换器，实现了对电液伺服阀的准确控制。

The incremental PID algorithm is applied in the electro-hydraulic servo valve control system to achieve accurate control , and the industrial PC ( IPC ), Counter / Timer and D / A module are adopted in the hardware design .

流水线ADC的模块有采样保持电路、乘法数模转换器、子ADC、数字校正电路、时钟产生电路和时间对齐电路。

The whole circuit consists of Sample and Hold Circuit , the Multiplicative A / D Converter , the Sub-ADC , the Digital Calibration Circuit , the Clock Generator and the Time Synchronizer .

考虑到WiMAX信号带宽较大，频段较高，所以在选取数模转换器、模数转换器及数字预失真芯片时都采用了处理带宽能力较强的芯片。

Considering WiMAX signals have large base band and high frequency , digital-analog conversion , analog-digital conversion and digital pre-distortion chips with high performance on base band processing are chosen .

Sigma-Delta模数、数模转换器是一种基于过采样技术的高精度转换器，被广泛应用在音频信号处理中。

Sigma-Delta A / D D / A converter is a kind of high-solution converter which uses oversampling techniques , and it is widely used in audio signal application .

本论文着重阐述一种基于数据权重平均算法（DWA）的12位分段式电流舵型数模转换器的设计。

The dissertation introduces the design of a 12-bit segmented current steering DAC based on data weighed average algorithm ( DWA ) .

本文较为全面地概括介绍了数模转换器（DAC）的国内外动态，分析了DAC的基本原理和结构，对几种典型的DAC结构进行了详细的分析。

This paper presented a general introduction on Digital-Analog Converter study of domestic and aboard , analysis of DAC principle and structures , and the analysis of different converting , type such as current converting and voltage converting .

软件采用VHDL语言设计实现了8051单片机系统的各模块功能要求，并对各个模块进行了验证，包括CPU模块、定时器／计数器模块、存储器模块和数模转换器模块，通过验证达到了设计的功能要求。

Using the method and the design clew of the language VHDL , the module functions of single-chip microcomputer 8051 , such as CPU module , timer or counter module , memory module and D / A converter module are achieved and proved to meet the demand .