Single CDTA-Based Current Mode All-Pass Filter and Its Applications | Zendy

Neeta Pandey | Zendy; Sajal K. Paul | Zendy

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Single CDTA-Based Current Mode All-Pass Filter and Its Applications

Author(s) -

Neeta Pandey,

Sajal K. Paul

Publication year - 2011

Publication title -

journal of electrical and computer engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.318

H-Index - 25

eISSN - 2090-0155

pISSN - 2090-0147

DOI - 10.1155/2011/897631

Subject(s) - spice , filter (signal processing) , electrical impedance , electronic engineering , operational transconductance amplifier , transconductance , capacitor , cmos , computer science , amplifier , output impedance , band pass filter , electrical engineering , engineering , operational amplifier , voltage , transistor

This paper presents a single current difference transconductance amplifier (CDTA) based all-pass current mode filter. The proposed configuration makes use of a grounded capacitor which makes it suitable for IC implementation. Its input impedance is low and output impedance is high, hence suitable for cascading. The circuit does not use any matching constraint. The nonideality analysis of the circuit is also given. Two applications, namely, a quadrature oscillator and a high Q band pass filter are developed with the proposed circuit. The functionality of the circuit is verified with SPICE simulation using 0.35 µm TSMC CMOS technology parameters.

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