Circuit and method to set delay between two periodic signals with unknown phase relationship

A circuit and method are provided for setting a phase relationship between a first signal and a second signal having a known frequency relationship to a master signal but having an unknown phase relationship to each other. One or more phase signals is generated based on the master signal, the phase...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Wang, Robert, Yaghini, Navid, Ting, Clifford, Li, Zhuobin, Yasotharan, Hemesh
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A circuit and method are provided for setting a phase relationship between a first signal and a second signal having a known frequency relationship to a master signal but having an unknown phase relationship to each other. One or more phase signals is generated based on the master signal, the phase signals having different phases from each other. One of these phase signals is selected based on the phase of the first signal and a target phase delay between the first signal and second signal. The second signal is generated based on the phase and frequency of the selected phase signal.