$Integrated ramp, sweep fractional frequency synthesizer on an integrated circuit chip$

Integrated ramp, sweep fractional frequency synthesizer on an integrated circuit chip

An integrated ramp, sweep fractional frequency synthesizer system on an integrated circuit chip includes an integrated circuit chip having a fractional frequency synthesizer with a fractional divider responsive to a VCO and a DeltaSigma modulator for modifying the divisor of the fractional divider;...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	LIPAN TUDOR, CLOUTIER MARK M
Format:	Patent
Sprache:	eng
Schlagworte:	AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES BASIC ELECTRONIC CIRCUITRY ELECTRICITY
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Beschreibung
Zusammenfassung:	An integrated ramp, sweep fractional frequency synthesizer system on an integrated circuit chip includes an integrated circuit chip having a fractional frequency synthesizer with a fractional divider responsive to a VCO and a DeltaSigma modulator for modifying the divisor of the fractional divider; and a ramp generator on the same integrated circuit chip; the ramp generator being responsive to a trigger signal to generate a ramp for sweeping the frequency of said fractional frequency synthesizer.