@article {IOPORT.50338969,
    author       = {Shin, Hyunchol and Kim, Youngcho},
    title        = {A CMOS active-{\it RC} low-pass filter with simultaneously tunable high- and low-cutoff frequencies for IEEE 802.22 applications},
    year         = {2010},
    journal      = {IEEE Trans. on Circuits and Systems},
    volume       = {57-II},
    number       = {2},
    pages        = {85-89},
    doi          = {10.1109/TCSII.2009.2037994},
    identifier   = {50338969},
}