METHODS AND DEVICES FOR MITIGATING PULLING IN A FRACTIONAL LOCAL OSCILLATOR SIGNAL GENERATION SCHEME

A radio-frequency integrated circuit (RFIC) configured to generate a synthesized clock includes a phase locked loop (PLL) configured to divide down a clock to a non-harmonic frequency; a plurality of multi-phase injection locked clock multipliers (ILCM) directly connected to a plurality of transceiv...

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Bibliographische Detailangaben
Hauptverfasser: RAVI, Ashoke, DEGANI, Ofir, KRONFELD, Ronen
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:A radio-frequency integrated circuit (RFIC) configured to generate a synthesized clock includes a phase locked loop (PLL) configured to divide down a clock to a non-harmonic frequency; a plurality of multi-phase injection locked clock multipliers (ILCM) directly connected to a plurality of transceiver chains; wherein the PLL is further configured to distribute a divided down clock to at least one of the plurality of multi-phase ILCMs; wherein the plurality of multiphase ILCMs are configured to select a phase of and multiply the divided down clock to synthesize a desired harmonic frequency of the clock and suppress an undesired harmonic frequency of the clock.