Phasensynchronisierungseinrichtung und Vorrichtung zum Erzeugen von in Quadraturphasenbeziehung stehenden Signalen

Apparatus for producing an oscillating signal in a predetermined phase relationship with an input signal which generates its output signal by mixing in variable proportions two or more reference oscillating signals. Preferably the reference signals should be in quadrature relationship and have appro...

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Bibliographische Detailangaben
Hauptverfasser:	JOY, ANDREW KEITH, SIMPSON, SUSAN MARY, PICKERING, ANDREW JAMES
Format:	Patent
Sprache:	ger
Schlagworte:	AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES BASIC ELECTRONIC CIRCUITRY ELECTRIC COMMUNICATION TECHNIQUE 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 IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS RESONATORS TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Beschreibung
Zusammenfassung:	Apparatus for producing an oscillating signal in a predetermined phase relationship with an input signal which generates its output signal by mixing in variable proportions two or more reference oscillating signals. Preferably the reference signals should be in quadrature relationship and have approximately the same frequency as the desired output, but this is not essential. The output signal may be desired to be in phase with the input signal or to have a predetermined phase offset. In a further aspect, apparatus is described which generates quadrature related clock signals, which may be used as the reference signals in the phase-lock arrangement.