Tunable Voltage-Mode Multifunction Biquadratic Filter with Three Inputs Single Output Using Three Single-Ended OTAs and Two Capacitors

Autor:	Somyot Junnapiya, Montree Kumngern
Rok vydání:	2013
Předmět:	Voltage-controlled filter Control theory Computer science Low-pass filter Hardware_INTEGRATEDCIRCUITS Electronic engineering Butterworth filter High-pass filter Band-stop filter Active filter Electronic filter All-pass filter Computer Science::Other
Zdroj:	2013 4th International Conference on Intelligent Systems, Modelling and Simulation.
Popis:	This paper presents a electronically tunable voltage-mode universal biquadratic filter with three inputs and one output using three single-ended operational transconductance amplifiers and two capacitors. The proposed filter provides low-pass, band-pass, high-pass, band-stop and all-pass filters by appropriately connecting the input terminals. No component-matching condition is required for realizing these filtering functions. The use of minimum elements makes the filter possible for low power consumption applications. The natural frequency and the quality factor can be set orthogonally by adjusting the circuit components. Also the natural frequency can be electronically tuned via the bias currents of OTAs. The performances of the proposed circuit are simulated with PSPICE to confirm the presented theory.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::83accd39e11c5188285cbba14db58c27 https://doi.org/10.1109/isms.2013.136 Zobrazit plný text záznamu