DOUBLE-LOOP SIGMA-DELTA-MODULATION WITH DC INPUT

被引：37
作者：
HE, N
KUHLMANN, F
BUZO, A
机构：
[1] Graduate School of Engineering, National University of Mexico, 04510 D.F.
来源：
IEEE TRANSACTIONS ON COMMUNICATIONS | 1990年 / 38卷 / 04期
关键词：
D O I：
10.1109/26.52660
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：
Through an exact analysis of a discrete-time model having a two-bit (2-b) quantizer, we provide rigorous answers to two fundamental questions for a double-loop sigma-delta modulation system with dc input. 1) What is the long-term statistical behavior of the internal quantizer noise? 2) How does the asymptotic mean-squared sigma-delta quantization error vary as a function of the oversampling ratio?. © 1990 IEEE
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页码：487 / 495
页数：9
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