A highly integrated low-power analog filter in 0.13,mu m CMOS able to be reconfigured in order to be used in UMTS and WLAN applications is reported. The 4th order low-pass continuous-time filter is. embedded in the receiver path. The filter is made up by the cascade of 2 Active G(m)-RC low-pass biquadratic cells. The use of Active G(m)-RC cells guarantees low power performance since they use low f(u) opamps. Thus, it presents low cost and low power characteristics. In fact, a little area overhead is required since the filter can share capacitors as well as opamps in both operations modes
D'Amico, S., Giannini, V., Baschirotto, A. (2004). A low-power reconfigurable analog filter for UMTS/WLAN receivers. In Norchip Conference, 2004. Proceedings (pp.179-182) [10.1109/NORCHP.2004.1423852].
A low-power reconfigurable analog filter for UMTS/WLAN receivers
BASCHIROTTO, ANDREA
2004
Abstract
A highly integrated low-power analog filter in 0.13,mu m CMOS able to be reconfigured in order to be used in UMTS and WLAN applications is reported. The 4th order low-pass continuous-time filter is. embedded in the receiver path. The filter is made up by the cascade of 2 Active G(m)-RC low-pass biquadratic cells. The use of Active G(m)-RC cells guarantees low power performance since they use low f(u) opamps. Thus, it presents low cost and low power characteristics. In fact, a little area overhead is required since the filter can share capacitors as well as opamps in both operations modes
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