A sixth-order continuous-time quadrature bandpass sigma-delta modulator for UMTS low-IF receivers and a study of the inherent excess loop delay effect

2004 ◽  
Author(s):  
F. Henkel ◽  
U. Langmann
Keyword(s):  
Continuous Time ◽  
Sixth Order ◽  
Delay Effect ◽  
Sigma Delta Modulator ◽  
Sigma Delta ◽  
Loop Delay ◽  
Excess Loop Delay ◽  
Order Continuous

scholarly journals A sixth-order continuous-time bandpass sigma-delta modulator for digital radio IF

1999 ◽  
Vol 34 (12) ◽  
pp. 1753-1764 ◽  
Author(s):  
J.A.E.P. Van Engelen ◽  
R.J. Van De Plassche ◽  
E. Stikvoort ◽  
A.G. Venes
Keyword(s):  
Continuous Time ◽  
Sixth Order ◽  
Sigma Delta Modulator ◽  
Sigma Delta ◽  
Digital Radio ◽  
Order Continuous

A 25 MHz Bandwidth 5th-Order Continuous-Time Low-Pass Sigma-Delta Modulator With 67.7 dB SNDR Using Time-Domain Quantization and Feedback

2010 ◽  
Vol 45 (9) ◽  
pp. 1795-1808 ◽  
Author(s):  
Cho-Ying Lu ◽  
Marvin Onabajo ◽  
Venkata Gadde ◽  
Yung-Chung Lo ◽  
Hsien-Pu Chen ◽  
...  
Keyword(s):  
Time Domain ◽  
Continuous Time ◽  
Sigma Delta Modulator ◽  
Sigma Delta ◽  
Low Pass ◽  
Order Continuous

A comprehensive analysis of the effect of finite amplifier bandwidth and excess loop delay in continuous-time sigma–delta modulators

2009 ◽  
Vol 40 (12) ◽  
pp. 1736-1745 ◽  
Author(s):  
L. Quintanilla ◽  
J. Arias ◽  
J. Segundo ◽  
L. Enriquez ◽  
J.M. Hernandez-Mangas ◽  
...  
Keyword(s):  
Continuous Time ◽  
Comprehensive Analysis ◽  
Sigma Delta ◽  
Sigma Delta Modulators ◽  
Loop Delay ◽  
Excess Loop Delay
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