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In this paper, a low power integer-N cascaded Phase-locked loop (PLL) is proposed to provide the carrier signal and clock signals for a SOC with MedRadio-band transceiver, ADC, DSP, and 13.56-MHz wireless power supply. In the proposed cascaded PLL, the first PLL provides the sampling clocks while the second PLL provides the carrier clock. Furthermore, the 13.56-MHz signal from the receiving coil of...