| 摘要 |
A communication device includes: a first oscillator to generate a local signal based on a control signal for regulating at least one of phase oise and jitter in the local signal; a frequency converter to convert a first signal having first frequency to a second signal having second frequency by using the local signal; a filter to remove undesired signal component from the second signal and output a third signal; and a controller to generate the control signal based on the second signal and the third signal.
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