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A full range current sensor based on self-bias structure for buck regulator is presented in this paper. The proposed full range current sensor can sense current from both the high side and low side switches of the power regulator within the same switching cycle with input current varying from 50 mA to 500 mA. It has higher than 95% sensing accuracy while consuming less than 1% of the total input power...
A switch-based ASK modulator implemented by 0.13 MOSFET for 135 GHz wireless communication with 10 Gbps data rate is presented. With the MOSFETs working in on/off-states, the proposed modulator can be respectively viewed as a signal-stop/signal-pass circuit at the operation frequency. Thus, the circuit can ensure constant input return-losses which minimize its input impedance variation...
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