| 摘要 |
A circuit according to one embodiment of the present invention includes a first frequency to voltage converter for storing a reference voltage based on a frequency of an incoming signal, and a second frequency to voltage converter for storing a second voltage based on the frequency of the incoming signal, the second voltage being a fraction of the reference voltage. A voltage to frequency converter creates a voltage on a node, the voltage repeatedly varying between about the reference voltage and about the second voltage. From this varying signal, a clock signal can be derived.
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