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High dynamic range, low power, tunable, active filter for RF and microwave wireless applications

High dynamic range, low power, tunable, active filter for RF and microwave wireless applications

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In this work, a novel solution for the design of active filters is presented. The proposed approach is based on the use of single-transistor active inductors in class-AB operation with minimum power consumption (2 mW) and good dynamic range (about 100 dB). This approach also allows potential implementation of monolithic technology. The proposed solution has been validated with a hybrid prototype, fabricated and tested in the authors’ labs. The measured performances demonstrate its feasibility for use in commercial applications.

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