A folded-cascode OTA based on complementary differential-pairs for HF applications
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1999 IEEE. In this paper, several previously reported folded-cascode Operational Transconductance Amplifiers (OTAs) and a proposed structure based on complementary differential pairs are compared. For the same power consumption and similar transistor dimensions the proposed OTA presents both higher bandwidth and faster response. It is shown that for a typical switched-capacitor integrator, using 0.5 pF capacitors, 1% settling times below to 3 ns can be achieved.
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Proceedings of the Third International Workshop on Design of Mixed-Mode Integrated Circuits and Applications (Cat. No.99EX303)