Title :
Low Passive Component-Count Current Follower-Based Current-Mode Second-Order Notch Filter
Author :
Prasertsom, D. ; Pukkalanun, T. ; Tangsrirat, W. ; Surakampontom, W.
Abstract :
A realization of a current-mode second-order notch filter using current followers (CFs) and a minimum number of passive elements is proposed. The proposed filter has a high output impedance, consequently it can be cascaded without using additional buffers. The filter displays low incremental passive sensitivities. Moreover, if the passive element values are properly chosen, the circuit permits also the realization of allpass response. The SPICE simulation results are given to verify the theoretical predicted behaviors.
Keywords :
active filter; allpass filter; current follower; current-mode circuit; notch filter; Active filters; Band pass filters; Circuit simulation; Current mode circuits; Displays; Impedance; Passive filters; Predictive models; SPICE; Voltage; active filter; allpass filter; current follower; current-mode circuit; notch filter;
Conference_Titel :
Electron Devices and Solid-State Circuits, 2005 IEEE Conference on
Print_ISBN :
0-7803-9339-2
DOI :
10.1109/EDSSC.2005.1635325