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An online steady-state load identification method is proposed to solve the problems related to frequency drift, system robustness deterioration, difficulties in controller design due to the uncertainties in load and mutual inductance variations of an inductive power transfer (IPT) system. Take a Series-Series-type IPT system as an example, an additional capacitor is added into the system to make the...
A novel digital calibration technique is proposed to calibrate the capacitor mismatch in SAR ADCs. The capacitor mismatches are extracted based on the comparator metastability and intrinsic noise. The proposed technique does not require additional external control sequences or any modification of the main DAC. The simulation results of a 12-bit SAR ADC with 10% capacitor mismatch show that the SNDR...
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