Title :
Design considerations for band-pass sigma delta modulators
Author :
Singh, Pavan Kumar ; Maloberti, Franco
Author_Institution :
Dept. of Electr. Eng., Texas A&M Univ., College Station, TX, USA
Abstract :
The transition from the system level to the transistor level design of sigma delta modulator involves degradation in performance due to circuit imperfections, the extent of which depends on the architecture. A systematic understanding of the sensitivity is essential to accomplish a robust design. Smart behavioral modeling allows us to compare architectures and to derive minimum specifications for op-amp and system design
Keywords :
sigma-delta modulation; band-pass sigma-delta modulator; circuit architecture; opamp; sensitivity; smart behavioral model; system-level design; transistor-level design; Bandwidth; Circuits; Delta modulation; Delta-sigma modulation; Filtering theory; Frequency; Multi-stage noise shaping; Operational amplifiers; Poles and zeros; Transfer functions;
Conference_Titel :
Circuits and Systems, 2001. ISCAS 2001. The 2001 IEEE International Symposium on
Conference_Location :
Sydney, NSW
Print_ISBN :
0-7803-6685-9
DOI :
10.1109/ISCAS.2001.921861
