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FOUR QUADRANT ANALOG MULTIPLIER USING DUAL-CURRENT-CONTROLLED CURRENT DIFFERENCING BUFFERED AMPLIFIER

Division of Electronics and Communication Engineering, Netaji Subhas Institute of Technology, University of Delhi, Dwarka, Sector-3, New Delhi 110075, India

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and

ANKUSH CHOWDHURY

Division of Electronics and Communication Engineering, Netaji Subhas Institute of Technology, University of Delhi, Dwarka, Sector-3, New Delhi 110075, India

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https://doi.org/10.1142/S0218126611007219Cited by:4 (Source: Crossref)

Abstract

A novel four quadrant analog multiplier (FQAM) is presented using the recently proposed active building block (ABB), namely the dual-current-controlled current differencing buffered amplifier (DCC-CDBA). The inputs to the circuit are two bipolar current signals and current and voltage outputs are available as multiplication of the input signals. The use of DCC-CDBA in four quadrant multiplier design is attractive, since the circuit structure is very simple and uses reduced number of components, viz. only one DCC-CDBA, which is constructed using two second-generation current controlled conveyors (CCCIIs). The circuit operation is current-tunable and ideally temperature insensitive. The workability of the circuit is verified using PSPICE simulations.

This paper was recommended by Regional Editor Krishna Shenai.

Keywords:

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