@article{paperid:1012760,
author = {Sadoghi Yazdi, Hadi and Rezaei, Masoud},
title = {The Wheatstone bridge-based analog adaptive filter with application in echo cancellation},
journal = {Analog Integrated Circuits And Signal Processing},
year = {2009},
volume = {64},
number = {2},
month = {December},
issn = {0925-1030},
pages = {191--198},
			numpages = {7},
keywords = {Wheatstone bridge  Analog-LMS algorithm 
Analog-IIR filter Hybrid echo cancellation},
}