DocumentCode
2698369
Title
A 4th-order bandpass /spl Delta//spl Sigma/ modulator with reduced number of op amps
Author
Bang-Sup Song
Author_Institution
Illinois Univ., Urbana, IL, USA
fYear
1995
fDate
15-17 Feb. 1995
Firstpage
204
Lastpage
205
Abstract
In this work, a single-sideband modulation technique is applied to implement a 4th-order bandpass /spl Delta//spl Sigma/ modulator using two op amps instead of four. The modulator is in principle a 2-path system, but is designed to have path mismatch and offset effects canceled to a first order.
Keywords
operational amplifiers; sigma-delta modulation; fourth-order bandpass /spl Delta//spl Sigma/ modulator; offset; op amps; path mismatch; single-sideband modulation; Capacitors; Clocks; Delay; Delta modulation; Frequency; Output feedback; Sampling methods; Switches; Timing; Transfer functions;
fLanguage
English
Publisher
ieee
Conference_Titel
Solid-State Circuits Conference, 1995. Digest of Technical Papers. 41st ISSCC, 1995 IEEE International
Conference_Location
San Francisco, CA, USA
ISSN
0193-6530
Print_ISBN
0-7803-2495-1
Type
conf
DOI
10.1109/ISSCC.1995.535523
Filename
535523
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