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This paper proposes a high step-up, transformerless, dc/dc converter suitable for applications where high efficiency at low power throughput is required. The proposed converter achieves high step-up dc/dc conversion through a resonant LC tank and realizes high-efficiency operation via the softswitching enabled by this resonant network. Flat efficiency is obtained via discontinuous conduction mode...
A high output power and high efficiency power amplifier (PA) is designed for 60 GHz wireless point-to-point communication using IBM 90 nm CMOS process. A high efficiency is achieved through the utilization of cascode structure with floating n-well and differential inductor to resonate out the parasitic capacitances. To further boost the output power, four PA units are combined together through power...
This brief discusses how each of multiple charge pump circuits in LSIs is designed in case where the power and ground line resistance is not negligible. A behavior model for a charge pump, including the local power and ground voltages as input parameters, is proposed and a systematic design methodology is then presented. A system designer can use the behavior model to determine the specifications...
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