Analog/Digital ΣΔ converter

机译：模拟/数字ΣΔ转换器

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In this article, we show the circuit of an analog/digital converter (ADC) of the sigma delta type (ΣΔ), developed and manufactured in the technology of 0.6 μm and 5 Volts of Xfab (xc06). The sigma delta modulator is first order using the continuous time technique, where the resistors are the traditional polysilicon or diffusion ones, differently, from the discrete-time technique, where the resistances are obtained with the switched capacitor technique. The digital filter is of type sinc3/decimator, synthesized from a code in verilog with the help of RTL Compiler tool from Cadence. All schematics, simulations and layouts were done with Cadence Virtuoso tool.

机译：在本文中，我们展示了采用0.6μm和5伏Xfab（xc06）技术开发和制造的sigma delta型（ΣΔ）的模数转换器（ADC）的电路。 sigma delta调制器是使用连续时间技术的一阶，其中电阻是传统的多晶硅或扩散电阻，与离散时间技术不同，在离散时间技术中，电阻是通过开关电容器技术获得的。数字滤波器是sinc3 /抽取器类型，它是在Cadence的RTL编译器工具的帮助下从Verilog中的代码合成的。所有原理图，仿真和布局均使用Cadence Virtuoso工具完成。

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来源
《2017 32nd Symposium on Microelectronics Technology and Devices》|2017年|1-4|共4页
会议地点 Fortaleza(BR)
作者
Jair Lins de Emeri; Saulo Finco; Wilmar Bueno de Moraes;
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作者单位

Hardware Systems Design Research Group, Center for Information Tecnology, Renato Archer - CTI, Campinas (SP) Brazil;

Hardware Systems Design Research Group, Center for Information Tecnology, Renato Archer - CTI, Campinas (SP) Brazil;

Hardware Systems Design Research Group, Center for Information Tecnology, Renato Archer - CTI, Campinas (SP) Brazil;

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原文格式 PDF
正文语种 eng
中图分类
关键词
continuous time filters; digital filters; discrete time filters; resistors; sigma-delta modulation; switched capacitor networks;

机译：连续时间滤波器;数字滤波器;离散时间滤波器;电阻器;Σ-Δ调制;开关电容器网络;;

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Analog/Digital ΣΔ converter

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