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This paper presents low power circuit design for voltage regulator and resistor to digital converter that are used in a RFID-like sensing circuit for measuring the resistance of a sol-gel sensor. The regulator circuit has simple circuit structure and consumes zero DC current (except the current drained by its load). The resistor to digital converter consists of a cascoded current mirror, a reference...
This paper presents a novel design of low power charge redistribution successive approximation analog to digital converter (CR-SAR ADC). During its conversion, the voltage swing of the capacitor array is reduced to half of the voltage reference without decreasing the ADC dynamic range. The reduced voltage swing results in a significant reduction of ADC power consumption. Also, the proposed design...
Aiming at the cyclostationary property of most communication signals, two cyclostationary algorithms are analyzed in detail, which are obtained by using the Lagrange multiplier method based on different combinations of optimization objectives and constraints, and a novel adaptive implementation method called forgetting factor method is proposed to improve the anti-jamming capability in weak signal...
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