Transadmittance Type Universal Current-Mode Biquad Filter Using VDTAs | Zendy

Dinesh Prasad | Zendy; Mayank Srivastava | Zendy; D. R. Bhaskar | Zendy

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Transadmittance Type Universal Current-Mode Biquad Filter Using VDTAs

Author(s) -

Dinesh Prasad,

Mayank Srivastava,

D. R. Bhaskar

Publication year - 2014

Publication title -

international scholarly research notices

Language(s) - English

Resource type - Journals

ISSN - 2356-7872

DOI - 10.1155/2014/762845

Subject(s) - digital biquad filter , computer science , band pass filter , filter (signal processing) , topology (electrical circuits) , capacitor , algorithm , bandwidth (computing) , low pass filter , voltage , physics , electrical engineering , telecommunications , computer vision , engineering , quantum mechanics , optics

A new resistorless single-input-multi-output (SIMO) universal transadmittance (TA) type filter employing two voltage differencing transconductance amplifiers (VDTA) and two grounded capacitors is proposed. The proposed topology realizes simultaneously low pass (LP), high pass (HP), and band pass (BP) filter functions. Band rejects (BR) and all pass (AP) filters are also realizable through appropriate connections of currents. The proposed configuration also offers independent control of natural angular frequency ( ω 0 ) and bandwidth (BW) and low active and passive sensitivities. The workability of proposed configuration has been demonstrated through PSPICE simulations with TSMC CMOS 0.18 μ m process parameters.

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