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This article introduces a capacitance multiplier employing operational transconductance amplifiers (OTAs). The provided capacitor is a floating element synthesized from a grounded capacitor. Its outstanding feature is that the capacitive value can be widely adjusted by input bias currents of the OTAs and is temperature-insensitive. The circuit construction comprises only four OTAs, three of them are...
This paper reviews 2 circuits which are floating positive and negative inductance simulators using operational transconductance amplifiers (OTAs). The simulated inductance values can be controlled electronically by adjusting the bias current of the OTA. Each inductance simulator comprises only 2 OTAs and 1 grounded capacitor without any external resistor and component matching requirements. The circuit...
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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