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This study presents a new realisation of voltage-mode shadow filters based on low-voltage low-power differential difference current conveyor (DDCC). Thanks to the attractive features of the DDCC, including its capability of performing arithmetic operations, the proposed filters offer the advantage of circuit simplicity, minimum number of active and passive elements, and no need for additional summing...
This contribution introduces behavioral model of multi-terminal active device providing electronically adjustable control of its parameters so-called Z-copy Voltage Controlled Current Follower Differential Input Transconductance Amplifier (ZC-VCCFDITA). Behavioral model is based on elements available in standard PSpice libraries in order to show that modeling of elements, blocks and sub-blocks representing...
This article presents a voltage-mode universal biquadratic filter (low-pass, high-pass, band-pass functions), based on current controlled current conveyor transconductance amplifiers (CCCCTAs). The features of the circuit are that: the quality factor and pole frequency can be tuned orthogonally via the input bias currents: the circuit description is very simple, consisting of merely 3 CCCCTAs and...
This article introduces a basic current-mode building block for analog signal processing, namely current controlled differencing voltage current conveyor (CCDVCC). Its parasitic resistance at input port can be controlled by input bias current. It is very suitable to use in analog signal processing circuits. The proposed element is realized in a CMOS technology and is examined the performances through...
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