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A novel noninteracting Electronically Tunable Universal Filter

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3 Author(s)
W. Ngamkham ; Department of Telecommunication Engineering, Faculty of Engineering, King Mongkut's Institute of Technology Ladkrabang, THAILAND. Tel: (662) 9883655 Ext. 218 ; P. Pawarangkoon ; W. Kiranon

A noninteracting electronically tunable universal filter is proposed in this paper. The proposed circuit can simultaneously realize highpass, lowpass and bandpass transfer functions without changing the circuit topology. Also, the circuit is implemented by using four CCCIIs with controlled current gain and two grounded capacitors which is suitable for IC implementation. Moreover, the proposed circuit can be simply modified to achieve bandstop and all pass responses. The parameters omega, Q and H0 of the filter are independently tunable. The PSPICE simulation results show that the proposed filter performs its function property

Published in:

2006 International Symposium on Communications and Information Technologies

Date of Conference:

Oct. 18 2006-Sept. 20 2006