Four Input Single Output based third order universal filter using Four Terminal Floating Nullor |
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Authors: | Huirem Tarunkumar Ashish Ranjan Subrahmanyam Perumalla Nonglen Meitei Pheiroijam |
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Institution: | 1.Department of Electronics and Communication Engineering,National Institute of Technology Manipur,Imphal,India |
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Abstract: | This paper presents a Four Input Single Output based third order universal filter that offers all five sections of filter frequency responses with some passive components using active block named as Four Terminal Floating Nullor (FTFN). The design schematic uses two number of Four Terminal Floating Nullor (FTFN) with three numbers of resistors and capacitors each. The proposed universal filter is realised with CMOS implementation of FTFN as well as Current Feedback Operational Amplifier (CFOA) namely IC AD844 for FTFN realisation. The viability of the universal filter circuit is justified with PSPICE simulation that includes both CMOS and AD844 based realization of FTFN. Also theoretical verification is well performed for the sustainability of the proposed circuit along with experimental verification by using IC AD844. |
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