Translation of "reference frequency source" in German
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Bezugsfrequenzquelle
Referenzfrequenzquelle
The receiver according to claim 7 or 8, characterized in that each of said receiver means further includes means (562,564, 561) for deriving a chip frequency of 1/Tc, a carrier frequency, and a data clock frequency from a single reference frequency source.
Empfänger nach Anspruch 7 oder 8, dadurch gekennzeichnet, daß jede der genannten Empfängereinrichtungen ferner eine Einrichtung (562,564, 561) zur Herleitung einer Chipfrequenz von 1/Tc, einer Trägerfrequenz und einer Datentaktfrequenz aus einer einzigen Bezugsfrequenzquelle umfaßt.
Device according to Claim 5, characterized in that for the system part, the clock signal oscillator (5) and the reference frequency source (2) have different frequencies.
Anordnung nach Anspruch 5, dadurch gekennzeichnet, dass bei dem Systemteil der Taktsignaloszillator (5) und die Bezugsfrequenzquelle (2) verschiedene Frequenzen aufweisen.
The multiple PLL oscillator according to claim 1, wherein at least one of said plurality of reference frequency sources and the locked reference frequency source is an oscillator having a PLL circuit.
Mehrfach-PLL-Oszillator nach Anspruch 1, bei dem zumindest eine der mehreren Referenzfrequenzquellen und der verriegelten Referenzfrequenzquelle ein Oszillator mit einer PLL-Schaltung ist.
A phase-locked loop according to claim 1, wherein a reference frequency divider circuit (80) is circuited between the reference frequency source (10) and the phase detector circuit (20).
The multiple PLL oscillator according to claim 1, wherein said switch selects outputs of said plurality of reference frequency sources at predetermined time intervals.
Mehrfach-PLL-Oszillator nach Anspruch 1, bei dem der Schalter die Ausgaben der mehreren Referenzfrequenzquellen in vorbestimmten Zeitintervallen auswählt.
The multiple PLL oscillator according to claim 1, wherein the frequency difference of said plurality of reference frequency sources is equal to a frequency obtained by dividing said step frequency by the dividing number of frequency of said frequency divider.
The method of claim 3 wherein the method further comprises the frequency detector (30) receiving the stable reference frequency from a source capable of providing a clean and stable reference signal.
Verfahren nach Anspruch 3, wobei das Verfahren weiterhin umfaßt, daß der Frequenzdetektor (30) die beständige Bezugsfrequenz aus einer Quelle empfängt, die ein sauberes und beständiges Bezugssignal bereitstellen kann.
A frequency synthesiser as claimed in claim 6 in which the third frequency reference source (31,34) has a reference frequency derived from the output of the second variable frequency oscillator (38, Figure 4).
A frequency synthesiser as claimed in claim 1 or 2 in which the second frequency reference source (37,38,39) comprises a second voltage controlled oscillator (38) that incorporates the second fractional N frequency synthesiser (39) in a phase locked loop.
Frequenzgenerator nach Anspruch 1 oder 2, bei dem die zweite Referenzfrequenzquelle (37, 38, 39) einen zweiten spannungsgesteuerten Oszillator (38) umfasst, der den zweiten Fraktional-N-Frequenzgenerator (39) in einem Phasenregelkreis enthält.
A system according to claims 2 and 6, characterised in that each reference frequency is derived from a common stable frequency source (110).
System nach Anspruch 2 und 6, dadurch gekennzeichnet, daß jede Referenzfrequenz von einer allgemein stabilen Frequenzquelle (110) abstammt.
Sensing system according to claim 2, characterized in that said reference frequency signal includes a frequency component that is representative of said dither component and a frequency component that is provided by a constant frequency source (62).
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