Novel versatile insensitive universal current-mode biquad employing two second-generation current conveyors

A new universal current-mode biquad with two inputs and three outputs or three inputs and two outputs using only two second-generation current conveyors and four grounded/virtual-grounded passive elements is proposed. The proposed circuit has the following advantages: simultaneous realization of fiv...

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Bibliographic Details
Published in:International journal of electronics 2002-12, Vol.89 (12), p.897-903
Main Authors: TU, SHU-HUI, CHANG, CHUN-MING, LIAO, KUAO-PAO
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Design. Technologies. Operation analysis. Testing
Dielectric, amorphous and glass solid devices
Electric, optical and optoelectronic circuits
Electronic circuits
Electronic equipment and fabrication. Passive components, printed wiring boards, connectics
Electronics
Exact sciences and technology
Frequency filters
Integrated circuits
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
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Description
Summary:A new universal current-mode biquad with two inputs and three outputs or three inputs and two outputs using only two second-generation current conveyors and four grounded/virtual-grounded passive elements is proposed. The proposed circuit has the following advantages: simultaneous realization of five generic current-mode filter signals from the same configuration; no requirements of any cancellation constraints; employment of two grounded capacitors ideal for integrated circuit implementation; employment of two grounded/virtually grounded resistors suitable for voltage control; orthogonal adjustment of ω 0 /Q and ω 0 through two separate grounded/virtually-grounded resistors; high output impedance good for cascadability for the current-mode circuits; and low active and passive sensitivities.
ISSN:0020-7217
1362-3060
DOI:10.1080/0020721031000121262