DocumentCode
2248875
Title
Single Amplifier Sigma Delta Modulator With Input Feedforward
Author
Yuan, Xiaolong ; Signell, Svante ; Wu, Xiaobo
Author_Institution
Coll. of Electr. Eng., Zhejiang Univ., Hangzhou
fYear
2006
fDate
4-7 Dec. 2006
Firstpage
1691
Lastpage
1694
Abstract
It has recently become very popular to feedforward the input signal in wideband delta-sigma modulators, so that the integrators only process quantization errors. The advantage is that the actual signal is not distorted by op-amp and integrator nonlinearities. The paper applies this technique to single amplifier based sigma delta modulator in both analog and digital way. Their characteristic has been analyzed and simulation results are given which show the improved performance
Keywords
modulators; operational amplifiers; quantisation (signal); sigma-delta modulation; input feedforward; integrator nonlinearities; op-amp; quantization errors; sigma delta modulator; single amplifier; wideband delta-sigma modulators; Broadband amplifiers; Delta modulation; Delta-sigma modulation; Digital modulation; Distortion; Operational amplifiers; Performance analysis; Quantization; Signal processing; Wideband;
fLanguage
English
Publisher
ieee
Conference_Titel
Circuits and Systems, 2006. APCCAS 2006. IEEE Asia Pacific Conference on
Conference_Location
Singapore
Print_ISBN
1-4244-0387-1
Type
conf
DOI
10.1109/APCCAS.2006.342122
Filename
4145736
Link To Document