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Yayın Metamutator applications: a quadrature MOS only oscillator and transconductance/transimpedance amplifiers(Springer New York LLC, 2016-06-18) Göknar, İzzet Cem; Yıldız, Merih; Minaei, ShahramNMOS based circuit realizations of a sinusoidal quadrature oscillator, a transconductance, a transimpedance amplifier are presented. All the circuits are constructed with a voltage-mode “Metamutator” consisting of an analog adder and a subtractor which is one of its possible realizations. The most important feature of the proposed circuits is their extremely simple structures containing only twelve NMOS transistors (six for adder, six for subtractor). Another significant advantage of the proposed circuits is that no external passive element is needed for the oscillator and only one resistor is used for each amplifier circuit; a variable resistor can provide gain adjustability. The post-layout simulations of all the proposed circuits have been executed using TSMC 0.25 µm process parameters with ±1.25 V power supply voltage.Yayın A rectifier circuit using add-differentiate IC with a minimal number of CMOS transistors(IEEE, 2018) Göknar, İzzet Cem; Minayi, ElhamUsing the recently developed Add-Differentiate 5-terminal Integrated Circuit, AD-IC (which possess 12 CMOS transistors only), augmented with two diodes, a new rectifier configuration is presented. Transistor level circuit and its layout are provided and the rectifier is simulated with parameters extracted from the layout showing very good conformity with desired rectifier behavior. Finally, a table of comparison of the proposed rectifier with fourteen others, existing in the literature, is included to conclude the paper.
