Abstract

This brief presents a new tunable impedance multiplier with high multiplication factor. The proposed design uses a single externally connected resistor and can be made free of passive elements. The proposed circuit can realize a positive or a negative impedance multiplier. The functionality of the proposed design is confirmed using PSPICE simulation and practical measurements. Applications of the design in filters are also presented. The simulation and experimental results show that the new design enjoys a multiplication factor above 400 and 2 Hz to 7 MHz.

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