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- W4327774598 abstract "Nowadays, mobile device technology has driven the need for more flexible charging using wireless technology. This technology is called wireless charging, a wireless technology used to transfer power to mobile devices. A wireless power transfer system consists of three parts: oscillator, power amplifier, and radiator. The oscillator is designed using a 74HC04 CMOS IC as the main part of the oscillator and a 13.56MHz crystal and is equipped with a common-collector amplifier using a Bipolar Junction Transistor (BJT) type BC547. This study discussed the optimization of the oscillator with the tuning method on the values of capacitors C1, C2, C3, and C4 and resistors R2, R3, and R4 to increase the signal output level. This research produces an output signal on the oscillator of -0.246dBm and a peak amplitude of 5.1V at a frequency of 13.573MHz. Compared to the previous study, the signal output has increased by 4.544 dBm, where the previous study produced a signal output of -4.79dBm with a peak amplitude of 0.95V at a frequency of 13.56MHz." @default.
- W4327774598 created "2023-03-19" @default.
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- W4327774598 date "2022-10-13" @default.
- W4327774598 modified "2023-09-23" @default.
- W4327774598 title "Performance Enhancement of 13.56MHz Crystal Oscillator with Component Optimization for Wireless Power Charging" @default.
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- W4327774598 doi "https://doi.org/10.1109/tssa56819.2022.10063867" @default.
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