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In this paper, the performance of package-level wireless power transfer (WPT) is compared and with respect to Z21 and voltage transfer ratio (VTR). The Z21 (transfer impedance) of three different types of inductors is analyzed and the transferred voltage is measured by applying a signal corresponding to a parallel-resonant frequency. The size of these inductors is implemented within 8 mm × 8 mm in...
In modern digital systems, the most amount of radiation from the system is caused by the high-speed digital clock signal. As a method to reduce the electromagnetic radiation from the system clock, a spread spectrum clock technique that modulates the system clock frequency had been introduced. The conventional spread spectrum clock is realized by controlling the period or the frequency using a phase...
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