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Design f current-mode Gm-C filters from the transformation of Opamp-RC filters
ESTEBAN TLELO CUAUTLE
Acceso Abierto
Atribución-NoComercial-SinDerivadas
Analog signal processing
Active filters
Opamp
OTA
Current conveyor
Current-mode
CMOS integrated circuits
It is presented a method to design Current-Mode (CM) filters from the transformation of the well-known Voltage-Mode (VM) opamp-RC filters. First, it is shown the simulation of a low-frequency opamp-RC filter with stable high Q, by applying the Y-Δ transformation. Second, it is described the transformation of the VM opamp-RC filter to a VM Gm-C filter and the symbolic transfer functions of the VM Gm-C filter are derived. Third, it is shown the transformation of the VM Gm-C filter to a CM Gm-C filter and the symbolic transfer functions of the CM filter are derived to show that both, the VM and the CM Gm-C filters perform the same behavior. Finally, some guidelines are introduced to design CM filters with CMOS OTAs and current conveyors.
Asian Network for Scientific Information
Journal of Applied Sciences
2007
Artículo
Inglés
Estudiantes
Investigadores
Público en general
Garcia-Ortega, Johana-M., et al., (2007). Design of Current-Mode Gm-C Filters from the Transformation of Opamp-RC Filters, Journal of Applied Sciences, 7(9): 1321-1326
ELECTRÓNICA
Versión aceptada
acceptedVersion - Versión aceptada
Aparece en las colecciones: Artículos de Electrónica

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