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Compact sub-hertz ota-c filter design with interface-trap charge pump
2003
IEEE Journal of Solid-State Circuits
Single-ended and differential operational transconductance amplifier (OTA) configurations are biased with MOSFET interface-trap charge-pumping (ITCP) current generators to achieve very low transconductances for tunable sub-hertz operational transconductance amplifier-capacitor (OTA-C) filter implementation. This paper reviews the basics of ITCP current generation and presents the transconductors and the OTA-C filter configurations based on these transconductors. One of the filters is a low-pass
doi:10.1109/jssc.2003.811981
fatcat:mtzfpuyrsrcmnkhzw6q4kjjoqe