| 摘要 |
A delay looked loop (DLL) having a charge pump gain independent of the operating frequency of the DLL. A method for providing a constant gain for a charge pump component of a delay locked loop (DLL) is disclosed, and includes: providing a switched capacitor stage responsive to a charge phase for charging a capacitor and a dump phase for dumping the capacitor; and aligning the charge phase and the dump phase such that a control voltage provided by the charge pump is independent of a frequency of a DLL charge and discharge phase.
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