High-Performance Continuous-Time Filters with On-Chip Tuning
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abstract
High performance continuous time filters based on operational transconductance amplifiers (OTAs) are discussed. Several OTA linearization techniques are reviewed, and a design example is provided with measurement results. To address the problem of inaccuracies in continuous time filters, two direct tuning techniques are presented with applications to ultra-wideband (UWB) receivers and bandpass sigma-delta modulators. Springer Science+Business Media B.V. 2010.