模拟-数字转换器

True to the analog spirit, not all data converters use the same digital format.

对典型的模拟精神，不是所有转换器都用相同的数据格式。

So digitalizing analog signal is the trend of information technology, in which Analog to Digital converter plays an important role.

所以模拟信号数字化是信息技术的发展趋势，而模数转换器在其中扮演着重要的角色。

So digitalizing analog signal is the trend of information technology, in which A/D and D/A plays an important role.

所以模拟信号数字化是信息技术的发展趋势，而A／D和D／A转换器在其中扮演着重要角色。

Low power, low cost and noise free is a hot research on the field of analog-to-digital converter.

如何使模数转换器既拥有较强的抗干扰能力，同时达到低功耗的要求，越来越成为模拟集成电路研究的热点和难点。

Simultaneously, the system also has with the computer asynchronous serial communication interface based on the programmable logic device CPLD.

系统包括模拟开关、测量放大器、AD转换器、CPLD中心逻辑控制器、掉电数据保存单元，系统实现了通过CPLD编程完成与计算机串口间异步串行通信功能。

Company products include: analog switches, power management, charge management, video applications, interfaces, security, clock, AD / DA converters, etc., used in digital products (MP3, MP4, PMP, digital photo frames, cameras), communications (GSM, CDMA mobile phone, Bluetooth, network), medical equipment, security, automotive electronics and other fields, but also can provide resistance-capacitance diode and audion IC package surrounding the program.

公司代理的产品包括：模拟开关、电源管理、充电管理、视频应用、接口、安防、时钟、AD/DA转换器等，产品应用于数码（MP3、MP4、PMP、数码相框、相机）、通讯（GSM、CDMA手机、蓝牙、网络）、医疗器械、安防、汽车电子等领域，同时还可以提供阻容、二三极管IC周边方案配套。

A set of small static electric dehydrator with a computer is established. The current of the dehydrator is monitored in real time through an A/D card installed in computer.

本文在室内建立了一套小型静态模拟电脱水器试验装置，并且通过在计算机上安装A/D转换卡，从而实现了对电脱水器脱水电流的实时监测。

The dynamiccomparators which are lack of kickback noise keep the a...

回踢噪声很小的动态比较器的应用使模数转换器在高速采样时钟下能保持各级输出的模拟信号的稳定。

Thereinto, the analog receiver, the main body of the UATS preprocessor, conditions the output signals of the receiving transducer, which are amplified and filtered.And the driving circuit implements the low-pass filtering of the D/A converters output signals and offers the result to the power amplifier circuit as its input.In addition, the fathoming circuit acquires the depth information of the underwater electronic equipment cabin to ensure a relatively convenient way to adjust and recover the underwater parts of the system.

其中，模拟接收机完成对接收换能器输出信号的放大、滤波等调理工作，是水声靶标系统预处理机的主体部分；驱动电路实现对D/A转换器输出信号的低通滤波，用以产生功率放大电路的输入信号；测深电路用来获取水下电子舱的深度信息，便于系统水下部分的调整和回收。

Keyboard function set through waveform type,frequency,amplitude,duty cycle,and other parameters of a signal to the microprocessor 89C51 control,MAX038 generated by the various signals,In this process,four-channel signal through D/A converters have simulated voltage and current,It transported up through the analog signal amplification,it enters the frequency MAX038 coarse-IIN,fine-tuning FADJ end,the duty cycle control-DADJ. In its COSC port received a three relays and oscillation frequency capacitance as a choice.

通过键盘设定函数波形种类、频率、幅度、占空比等参数的一个信号进入单片机89C51控制，由MAX038产生各种波形信号，在此过程中信号通过四通道D/A转换器产生模拟电压和电流，它再通过运放将模拟的信号放大，它进入MAX038的频率粗调端IIN、微调端FADJ、占空比控制端DADJ、在它的COSC端口接一个继电器和三个振荡电容作为频率选择。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了