| 摘要 |
A phase locked loop includes a difference detector, a loop filter, a controlled oscillation module, and a frequency translation module. The difference detector is operably coupled to determine a difference signal based on phase and/or frequency differences between a feedback oscillation and a reference oscillation. The loop filter is operably coupled to generate a control signal from the difference signal. The controlled oscillation module is operably coupled to produce, in accordance with an adjustable operating parameter, an output oscillation based on the controlled signal. The adjustable operating parameter is set based on desired operating conditions of the phase locked loop such that false locking of the phase locked loop is substantially avoided. The frequency translation module is operably coupled to produce the feedback oscillation from the output oscillation based on a frequency translation rate.
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