Kamath, D V (2020) Compensation of Gm-C lossless integrator for finite output resistance. Endocrinology. ISSN 0013-5194

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Abstract

Since the last few decades, several new circuit designs for the implementation of fully integrated continuous-time filters [1, 2] have been reported. The integrator is the main building block of these filters and the performance of integrator is of very much importance in the evaluation of overall filter performance. The Gm-blocks provide superior high-frequency performance as compared with an op-amp and better linearity as compared to the operational transconductance amplifier (OTA). Hence, the Gm-C integrator is the most popularly used integrator topology. The passive compensation [1–3] and active compensation methods [1, 2, 4] to address the effects of frequency-dependent transconductance in the Gm-C integrator are discussed.

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