Phase-lock loop circuit with fuzzy control

A phase-lock loop circuit (1) with fuzzy control, which comprises a phase comparator (2) whose output is connected to a low-pass filter (3) that is suitable to drive a voltage-controlled oscillator (4); the phase comparator (2) is suitable to generate a signal (z) that represents the phase differenc...

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Bibliographische Detailangaben
Hauptverfasser:	LA ROSA, MARIA GRAZIA, TRAVAGLIA, FREDERICO, GIARRIZZO, GUIDO
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AUTOMATIC CONTROL, STARTING, SYNCHRONISATION, OR STABILISATIONOF GENERATORS OF ELECTRONIC OSCILLATIONS OR PULSES BASIC ELECTRONIC CIRCUITRY CALCULATING COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING ELECTRICITY PHYSICS
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Beschreibung
Zusammenfassung:	A phase-lock loop circuit (1) with fuzzy control, which comprises a phase comparator (2) whose output is connected to a low-pass filter (3) that is suitable to drive a voltage-controlled oscillator (4); the phase comparator (2) is suitable to generate a signal (z) that represents the phase difference between an input signal (x) and a signal (y) generated by the oscillator. The particularity of the invention resides in the fact that the oscillator (4) is furthermore driven by a control signal (Vinj) generated by fuzzy control means (5) the input whereof is the signal (z) representing the phase difference.