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In this paper, a low power, low flicker noise and high IIP3 I/Q mixer for 76–108MHz EURO/US/Korea/Japan FM radio receiver applications is presented. The proposed mixer includes a transconductance (Gm) stage, a current mode passive switching stage driven by a 25% duty cycle LO, a transimpedance amplifier (TIA), and a 25% duty cycle LO generator. Simulation results show a 9.2dB DSB noise figure at 50kHz,...
A systematic design guide for 3-stage CMOS operational amplifier (op amp) with nested Gm-C frequency compensation (NGCC) was proposed. With the given specification such as gain-bandwidth (GB), the ratio of high frequency pole to GB, phase margin, input common-mode range, and load capacitance, the guide generates the design parameters that minimize total area or current. The test chip designed by the...
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