Zhou Zhujin

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Based on SMIC 0.35mum process, a fourth-order active-opamp RC lowpass filter used in GSM/WCDMA communication system is presented. The filter meets the bandwidth specifications of the PDC and WCDMA standards especially the high IIP3, and shares the maximum number of components between the two modes. The total area is 1578mum*515mum. The operational(More)
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