DocumentCode
1383932
Title
A Method for Noise Reduction in Active-
Circuits
Author
Gharibdoust, Kiarash ; Bakhtiar, Mehrdad Sharif
Author_Institution
Sharif Univ. of Technol., Tehran, Iran
Volume
58
Issue
12
fYear
2011
Firstpage
906
Lastpage
910
Abstract
A method for noise reduction in active-RC circuits is introduced. It is shown that the output noise in an active-RC circuit can be considerably reduced, without disturbing the circuit transfer function by inserting appropriate passive or active components in the circuit. The inserted components introduce new signal paths in the circuit for noise reduction while the original circuit transfer function is kept unchanged. The procedure to define the proper paths in the circuit and their transfer functions is given. The effectiveness of the presented method is demonstrated using a second-order active-RC filter fabricated in a 0.18-μm CMOS technology.
Keywords
CMOS integrated circuits; active filters; integrated circuit noise; transfer functions; CMOS technology; active-RC circuits; circuit transfer function; noise reduction; second-order active-AC filter; size 0.18 mum; CMOS integrated circuits; Integrated circuit modeling; Noise measurement; Noise reduction; Optimization; Transfer functions; Active-$RC$ filter; CMOS technology; feedforward path; filter noise; noise reduction;
fLanguage
English
Journal_Title
Circuits and Systems II: Express Briefs, IEEE Transactions on
Publisher
ieee
ISSN
1549-7747
Type
jour
DOI
10.1109/TCSII.2011.2172521
Filename
6088002
Link To Document