Abstract
Design and implementation of CMOS channel select filters for digital video broadcasting-handheld integrated direct-conversion receivers are presented. The filters are designed to fulfill selectivity requirements with optimized power consumption. The proposed filters are based on the current amplifier and the transresistance amplifier offering alternatives for current-mode and voltage-mode signal processing, respectively. Adopting one active element per biquad allows optimization of the power consumption, and hence, leads to significant improvement over the available solutions. The two filters were fabricated in a standard 0.18- ${ \mu }\text{m}$ CMOS technology and experimental results are provided.
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