Bandpass ΔΣ Modulators with FIR Feedback

被引：0
|
作者：
Gorji, Javad [1 ]
Pavan, Shanthi [2 ]
de la Rosa, Jose M. [1 ]
机构：
[1] Univ Seville, IMSE CNM, Inst Microelect Sevilla, CSIC, Seville, Spain
[2] Indian Inst Technol Madras, Dept Elect Engn, Chennai, Tamil Nadu, India
来源：
2023 IEEE INTERNATIONAL SYMPOSIUM ON CIRCUITS AND SYSTEMS, ISCAS | 2023年
关键词：
ADC;
D O I：
10.1109/ISCAS46773.2023.10181916
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
This paper investigates finite impulse response (FIR) feedback in bandpass delta-sigma modulators (BP-Delta Sigma Ms). FIR feedback in lowpass delta-sigma modulators (LP-Delta Sigma Ms) improves loop filter linearity and reduces the sensitivity of the modulator to clock jitter. We show that similar benefits can be obtained in a BP-Delta Sigma M if the FIR filter in the feedback path is made a bandpass one(1).
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页数：5
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