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1)  Σ-△ADC application
Σ-△调制器应用
2)  Σ-△ modulator
Σ-△调制器
1.
Modeling and simulation of Σ-△ modulator using Verilog-AMS;
基于Verilog-AMS的Σ-△调制器的建模与仿真
3)  Σ△modulator
Σ△调制器
1.
35μmCMOS technology, the use of IC design and EDA simulation tool, designed a mainly used in electric energy measurement of 16Σ△modulator, the modulator using 5V single power supply, the sampling frequency of 900kHz, Sampling rate for the 256, the input signal bandwidth of 1.
35μmCMOS工艺,利用集成电路EDA设计及仿真工具,设计了一款主要应用于电能计量的16位Σ△调制器,该调制器采用5V单电源供电,采样频率为900kHz,采样率为256,输入信号带宽为1。
4)  Σ-Δ modulator
Σ-Δ调制器
1.
A Higher-Order Σ-Δ Modulator with Improved Integrator Structure;
一种具有改进积分器结构的高阶Σ-Δ调制器
2.
Sliding mode controller for CCM Buck converters based on Σ-Δ modulator
基于Σ-Δ调制器的CCM Buck变换器滑模控制
3.
A new voltage-to-frequency converter based on Σ-Δ modulator technology is designed to convert the analog voltage signal to the corresponding frequency output in micro-accelerometer interfaces.
设计了一种基于Σ-Δ调制器技术的新型电压-频率转换器,用于将微加速度计的模拟电压信号转换为相应的频率输出信号。
5)  sigma-delta modulator
Σ-Δ调制器
1.
The operation theory of fractional-N synthesizers based on Sigma-Delta modulator,and characters of a Sigma-Delta Fractional-N Synthesizer MAX2150 are introduced.
介绍了基于Σ-Δ调制器的小数分频(F-N)频率合成技术的基本原理及采用此技术的频率合成器MAX2150,给出了MAX2150在某微波测试仪表中的应用电路和注意事项。
2.
To improve the simulation accuracy of SIMULINK,a novel inclusive beha vior model of an integrator is proposed that introduces the effects of different circuit nonidealities of a switched-capacitor sigma-delta modulator into SIMULIK simulation.
为精确反映多种非理想因素对开关型Σ-Δ调制器的影响,提高其在SIMULINK仿真器下的仿真精度,针对SIMULINK的行为级建模提出一种新的积分器模型。
3.
Then the first-order and the higher order sigma-delta modulators are analyzed,and finally a method for the sigma-delta modulator based on FPGA is proposed.
本文首先介绍了Σ-Δ调制技术的基本原理,分析了一阶及高阶Σ-Δ调制器,最后结合一阶Σ-Δ调制器,给出了在FPGA器件上实现Σ-Δ调制器的设计。
6)  Δ-Σ modulator
Δ-Σ调制器
1.
A monolithic 16-bit Δ-Σ D/A converter was presented,which was comprised of an interpolator,a Δ-Σ modulator and a power-efficient switching(Class D amplifier) output stage.
芯片集成了内插滤波器、Δ-Σ调制器和D类功放,可以独立完成带宽为8 kHz的音频数字信号到模拟信号的转换。
2.
The Δ-Σ modulator employs a 5~(th)-order 1-bit quantization loop,and a 100 dB in-band SNR was achieved on FPGA platform.
Δ-Σ调制器采用5阶单环单比特量化结构,经FP-GA平台验证,可实现100 dB的带内信噪比。
3.
All analysis of quantization noise for single-loop Δ-Σ modulator for the fractional-N frequency synthesizer is based on linearization assumptions.
以往对小数分频频率合成器中的Δ-Σ调制器的量化噪声大都建立在线性分析的基础上,这样得出的量化噪声近似为高斯噪声。
补充资料:△4-1,2,3,6-四氢化酞酐、△4-四氢苯酐
分子式:
CAS号:

性质:又称△4-1,2,3,6-四氢化酞酐、△4-四氢苯酐。白色结晶性粉末。熔点103~104℃(顺式),闪点157℃,相对密度1.20。微溶于石油醚、乙醚,溶于乙醇、丙醇、氯仿和苯。遇水分解成酸。具腐蚀性。用熔融的顺丁烯二酸酐与丁二烯在苯存在下进行双烯加成反应制得。作为有机合成中间体,用于制取农药克菌丹、敌菌丹;也用作环氧树脂的固化剂、增塑剂及不饱和聚酯树脂、无溶剂漆的胶黏剂。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条