Use of a single bit DAC in the modulator guarantees excellent linearity and dc accuracy.
在调制器中使用单比特dac可保证出色的线性度和直流精度。
It is also proposed in this paper that the digital PWM is a DAC in essence and its resolution selection rules should also follow that of DAC.
文中同时指出，数字式pwm的实质也是一种DAC，它的位数选择同样遵循DAC的选择原则。
Phung Dac Loc, general secretary of the Viet Nam InsuranceAssociation, said the local insurance market was attractive and stillunder-exploited, particularly in sectors such as agriculture andhousing.
越南保险协会秘书长PhungDacLoc称，本土的保险市场极具吸引力，尚有待开发，尤其是那些农业和住房相关的保险机构。
At the end, it ought to be transformed again in analog format with DAC to use it.
在为此目的，它应该是改变再次在模拟格式发援会使用它。
This paper presents a DAC dynamic test instrument which display DAC output waveform of any division open loop VHF number generator used in the broadband oscilloscope.
本文介绍了以开环数字高频振荡发生器将DAC输出阶梯波的任一部分，在宽带示波器上显示出来的动态测试设备。
When the open-loop gain of servo system is determined, the selection of DAC resolution and gear ratio is restricted each other and should be paid much attention in the design of servo system.
由于DAC和齿轮减速比都影响着伺服系统的开环增益，当系统开环增益一定时，DAC位数的实际作用和减速比的选择相互限制，在设计雷达伺服系统中需注意。
Presents a DAC dynamic test instrument that display DAC output waveform of any division open loop VHF number generator used in the broadband oscilloscope.
阐述了以开环数字高频振荡发生器将数模转换器输出阶梯波的任一部分，在宽带示波器上显示出来的动态测试设备。
The application of 12 serial DAC MAX538s in lithium battery measure; the interface circuit and its Clanguage program of serial DAC and 80C196CPU.
介绍12位串行DACMAX538在锂电池检测设备中的应用给出了串行DAC与80C196CPU的接口电路及其C语言实现。
It mainly introduces the application of DDS technology in the arbitrary wave generator's function circuit it proposes a method of high-rate accuracy programming control by way of DAC.
介绍了DDS技术在波形产生功能电路中的应用，推出了利用DAC实现高精度线性程控的一种方法。
An ADC designed in accordance with the techniques described herein utilizes a quantizer that has a lower resolution than a digital-to-analog converter (DAC) used for negative feedback.
根据在此所述的技术设计的ADC采用分辨率比用于负反馈的数模转换器(DAC)低的量化器。
DWA(Data Weighted Averaging) algorithm is employed in design of the multi-bit feedback DAC to average the mismatch error and reduce the harmonic distortion.
在多比特反馈DAC的设计中采用了数据轮转算法，使得其失配误差平均化，谐波能量降低。
Using a reformative redundant stage, gain errors are measured by PR (pseudo-random) signal being injected at sub-DAC output and compensated in background according to the estimated value.
该方法应用改进冗余位结构，通过在其子dac输出端引入伪随机信号测量级间增益，并利用此估计值在后台进行增益误差补偿。
The adsorption of urea nitrogen onto dialdehyde cellulose (DAC) under catalysis of immobilized urease in gelatin (IU) was studied in batch system.
研究了在固定化脲酶催化作用下双醛纤维素对尿素氮的吸附平衡和动力学。
A video interface design based on XCV300FPGA is introduced. The implementations of video-in decoder and memory DAC video-out are discussed in detail.
介绍了一种以xcv300 FPGA为核心的视频接口设计。同时按照视频输入、解码存储、DAC转换输出视频流的流动顺序，给出了实现方法。
In the circuit design, unit current source arrays and digital synchronizing cells are used to improve the matching and dynamic range of DAC.
电路设计中使用单位电流源阵列和数字同步控制单元来提高电流源的匹配性和动态范围；
In situ Raman spectra of cycloheptane have been characterized under high pressure generated by diamond anvil cell (DAC) at room temperature.
利用金刚石对顶砧(DAC)装置产生高压，在室温下对环庚烷进行了高压原位拉曼光谱研究。
The principle of the most significant bits digital decoder-13 bits DAC is described in detail, and the gain controlled amplifier is theoretically analysed.
详细叙述了高位数字译码器13位DAC的工作原理，并对可变增益放大器作了理论分析。
The invention discloses a high-speed DAC synchronization method and a device to solve the problem of desynchrony of output signals in the prior high-speed DAC technology.
一种高速DAC的同步方法及装置，以解决在现有的高速DAC技术中存在输出信号不同 步的问题。
Microphone jacks and built-in speakers are devices connected to an ADC and DAC, respectively for the input and output of audio.
话筒与内置扬声器分别是与adc和DAC相连的音频输入与输出设备。
In this paper, a testing standard for the static properties of ADC and DAC and its measuring technology are introduced.
本文介绍了我国adc、DAC静态特性国家测量标准装置和它的测量技术。
With corresponding models how the matching errors and output resistance of current source affect the NL, SNDR and SFDR of DAC is analyzed and simulated in detail.
利用相应的高层次模型，详细分析并仿真了电流源匹配误差和电流源输出阻抗对DAC的非线性误差nl、信号噪声失调比SNDR、无杂波动态范围SFDR的影响。
This paper describes the design and the test results of a 7-bit high-speed CMOS DAC, which is implemented using a segmented architecture with 5 MSBs in unary way and 2(LSBs) in binary way.
介绍了一种高速7位DAC的设计及芯片测试结果，该DAC选取高5位单位电流源，低2位二进制电流源的分段结构。
A novel microelectromechanical digital-to-analog converter(MEMDAC) analogous to electronic weighted-resistor DAC is proposed in this paper.
提出了一种新颖的基于权值的微机械数模转换器，它的原理与电路中的权电阻数模转换器类似。
A method to design the value of coupling capacitor in coupled high-resolution charge-scaling DAC is presented.
间耦合电容值的设计方法，讨论了寄生电容对DAC精确度的影响。
The operational mechanism of a 3-bit nonlinear digital-to-analog converter, the selection of resistance network for the DAC and its calculation are discussed in particular.
重点讨论了3位非线性DAC的原理、权电阻网络的选择和计算，并给出了实际电路。
The simulation result shows that the circuit not only has good temperature coefficient, but also high PSRR, which meet the requirements of the design of DAC mentioned in this paper.
仿真结果表明，该电路不仅具有良好的温度线性度，还具有高电源抑制比，满足本文DAC的设计要求。
A method to design the value of coupling capacitor in coupled high-resolution charge-scaling DAC is presented.
介绍了耦合结构高分辨电荷按比例缩放DAC级间耦合电容值的设计方法，讨论了寄生电容对DAC精确度的影响。
Such a configuration provides the benefits of higher resolution DAC feedback without having the use high oversampling ratios that result in high power consumption.
此配置提供了较高分辨率DAC反馈而不必使用导致高功耗的高过采样比的益处。
In the deadlock example shown before, the significant point is when the si task tries to lock the DAC. Before that succeeded and lead to cyclic deadlock.
在刚才展示的死锁的例子中，认证任务试图获取DAC是很重要的时间点，获取完以后，系统就走向了死锁。
The operating characteristics and pin function of DC-DC converter MAX686 with DAC control are introduced in this paper.
介绍一种具有数模转换功能的DC -DC转换器MAX686的性能特点，给出了数控电源典型应用电路的参数设计过程。
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