Abstract
A low-voltage operational transconductance amplifier(OTA) and a bandpass Gm-C filter built with the OTA are described in this paper. The OTA has effectively only two MOS transistors in saturation region between V DD and GND — suitable for low voltage operation, and there are no internal nodes in the OTA — suitable for high frequency operation. With this OTA, a prototype bandpass Gm-C filter was implemented in 0.8μm CMOS process. The center frequency can be controlled from 15.0MHz to 33.0MHz. The filter consumes only 0.43mW per pole when the center frequency is 15.0MHz.
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© 1997 Springer Science+Business Media Dordrecht
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Yoo, C., Kim, W. (1997). A Low-Voltage Operational Transconductance Amplifier and Its Application to a Bandpass Gm-C Filter. In: Reis, R., Claesen, L. (eds) VLSI: Integrated Systems on Silicon. IFIP — The International Federation for Information Processing. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35311-1_10
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DOI: https://doi.org/10.1007/978-0-387-35311-1_10
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