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US08509371B2 Continuous-rate clock recovery circuit 有权
连续速率时钟恢复电路

Continuous-rate clock recovery circuit
Abstract:
A continuous-rate clock and data recovery circuit includes a delay locked loop with a first integrator and a phase locked loop with a separate integrator. The delay locked loop and the phase locked loop are in a dual loop architecture. The first integrator is a digital accumulator that wraps upon exceeding a maximum or minimum value. The second integrator is a digital accumulator that saturates at its maximum or minimum value.
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