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A charge pump with enhanced output voltage pumping gain and efficiency for low-voltage applications is proposed in this paper. Except for threshold voltage drop and body effect, another factor that limits voltage pumping efficiency is undesired charge transfer. The proposed charge pump circuit utilizes charge transfer switches to eliminate the effects of threshold voltage drop and body effect. Moreover,...
A technique to reduce power consumption of charge-pump-based antenna-switch drivers by recycling wasted charges in clock buffers of charge pumps is presented. The proposed shared-charge recycling technique allows discharging current of capacitors in the clock buffers to be shared and recycled to charge other capacitors. The clock buffers only need to charge the capacitors half way, and the current...
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