Design and Simulation of a High-Order Sigma-Delta Continuous-Time Modulator

被引：0

作者：

Iuzzolino, Ricardo ^{[1
]}

Bierzychudek, Marcos E. ^{[1
]}

Belcher, Allan ^{[2
]}

Dekker, Ronald ^{[3
]}

Herick, Jonas ^{[4
]}

Williams, Jonathan ^{[5
]}

Ireland, Jane ^{[5
]}

Schaapman, Kars ^{[3
]}

机构：

[1] Inst Nacl Tecnol Ind, Buenos Aires, DF, Argentina

[2] Signal Convers Ltd, Swansea, W Glam, Wales

[3] Applicos BV, Zwolle, Netherlands

[4] Phys Tech Bundesanstalt, Braunschweig, Germany

[5] Natl Phys Lab, Teddington, Middx, England

来源：

2018 CONFERENCE ON PRECISION ELECTROMAGNETIC MEASUREMENTS (CPEM 2018) | 2018年

基金：

欧盟地平线“2020”;

关键词：

Voltage; Sampling; Sigma-Delta ADC; Filtering; quantum sampling;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper describes the design and simulation of a high order sigma-delta loop filter to use in a feedback loop for the QuADC project. The project target specifications required the selection of a fourth order feedback loop to achieve them. The design includes two loop rates (100 MHz and 20 MHz), and the selected loop was a cascade of integrators with feedforward topology. The simulation results show that the target specification can be achieved by configuring the oversampling ratio and the digital filter according to the measurement bandwidth.

引用

页数：2

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