Arent Fox LLP
Variance correction method, PLL circuit and semiconductor integrated circuit
A variance correction method includes generating a reference current depending on a resistance within a lowpass filter and outputting the reference current to a voltage controlled oscillator, and correcting characteristics of the lowpass filter and a gain of the voltage controlled oscillator based on an output clock of the voltage controlled oscillator.
Fujitsu Limited
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Toshihiko Masafumi
Mori Kondo