engleski

Electronically Controlled Power-Law Filters Realizations

A generalized structure that is capable of implementing power-law filters derived from 1st and 2nd-order mother filter functions is presented in this work. This is achieved thanks to the employment of Operational Transconductance Amplifiers (OTAs) as active elements, because of the electronic tuning capability of their transconductance parameter. Appropriate design examples are provided and the performance of the introduced structure is evaluated through simulation results using the Cadence Integrated Circuits (IC) design suite and Metal Oxide Semiconductor (MOS) transistors models available from the Austria Mikro Systeme (AMS) 0.35 um Complementary Metal Oxide Semiconductor (CMOS) process.

non-integer order filters ; power-law filters ; curve-fitting approximation technique ; operational transconductance amplifiers ; tunable filters ; CMOS analog integrated circuits

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