DIVIDING A FREQUENCY BY 1.5 TO PRODUCE A QUADRATURE SIGNAL

An apparatus for dividing a frequency by 1.5 to produce a quadrature signal is disclosed. The apparatus includes a divider that receives a differential input signal with a first frequency and two phases and creates a six phase signal at a second frequency. The second frequency is the first frequency...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YANG ZIXIANG, LEUNG WINGCHING VINCENT
Format:	Patent
Sprache:	eng
Schlagworte:	AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES BASIC ELECTRONIC CIRCUITRY ELECTRICITY GENERATION OF NOISE BY SUCH CIRCUITS GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER
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Beschreibung
Zusammenfassung:	An apparatus for dividing a frequency by 1.5 to produce a quadrature signal is disclosed. The apparatus includes a divider that receives a differential input signal with a first frequency and two phases and creates a six phase signal at a second frequency. The second frequency is the first frequency divided by 3. The apparatus also includes precision phase rotation circuitry that receives the six phase signal and produces an eight phase signal. The apparatus also includes a doubler that receives the eight phase signal and produces a quadrature signal. The quadrature signal has a third frequency that is the first frequency divided by 1.5.