Abstract
A new 5th order video band elliptic filter topology is presented. In video applications high order elliptic filters were used. The proposed 5th-order lowpass filter was simulated with PSPICE simulation program. The elliptic filter configuration consists of two cascade connected lowpass notch filters and a lowpass filter which is obtained using OTRA based Fleischer Tow biquad. After designing the 5th order video band elliptic filter topology, the MOS-C realization is obtained and used in PSPICE simulation.
Highlights
Active filters employing single active element are especially useful for applications where the power consumption is an important design constraint
The Operational Transresistance Amplifier (OTRA), which is known as current differencing amplifier or Norton amplifier, is an important active element in analog ICs and systems. Both input and output terminals of OTRA are characterized by low impedance, thereby eliminating response limitations incurred by capacitive time constants
Since its output terminal is characterized as low impedance, OTRA is suitable for voltage mode operations keeping the compatibility with existing signal processing circuits (Salama and Soliman, 1999)
Summary
A 5th order video band elliptic filter topology using OTRA based Fleischer Tow Biquad with MOS-C Realization Ahmet Gökçen1*, Uğur Çam2 1Faculty of Electrical and Electronics, Department of Electrical and Electronics Engineering, University of Iskenderun Technical, 31220 Iskenderun, Hatay, Turkey 2Department of Electrical and Electronics Engineering, Faculty of Engineering, Dokuz Eylül University, İzmir, Turkey
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