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公开(公告)号：US11005485B2
公开(公告)日：2021-05-11
申请号：US16447599
申请日：2019-06-20
Applicant: Infineon Technologies AG
Inventor： Mateo Bassi , Fabio Padovan
Abstract: A frequency multiplier comprises a phase generator configured to receive an oscillation signal and to provide at phase generator outputs versions of the oscillation signal, which are phase-shifted with respect to each other. An injection-locked ring oscillator comprises a plurality of stages, wherein each of the phase generator outputs is coupled to a different stage of the plurality of stages for multi-point injection. A combiner combines output signals of the plurality of stages of the injection-locked ring oscillator into a signal having a frequency which is a multiple of a frequency of the oscillation signal.
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