| 摘要 |
A low noise divider module includes a divider chain and a retiming module. The divider chain includes a plurality of cascaded dividers and a plurality of load logic gates. The plurality of cascaded dividers are operably coupled to divide an input oscillation by a divider value, which is programmable, to produce a divided output oscillation based on the load signals provided by the logic gates. The retiming module includes a duty cycle module and a jitter reduction module. The duty cycle module is coupled to produce a duty cycle controlled output oscillation based on a representation of the divided output oscillation produced by the divider chain in accordance with a duty cycle setting signal. The jitter reduction module is operably coupled to produce a low jitter output oscillation from the duty cycle controlled output oscillation based on the input oscillation and the duty cycle setting signal.
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