SYSTEM AND METHOD FOR POWER SUPPLY RIPPLE COMPENSATION

A method for compensating for power supply ripple that is present in a supply voltage that is generated by a switched-mode power supply, the method including: calculating an estimated power supply ripple that is expected to be generated by the switched-mode power supply; generating a digital ripple...

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Bibliographische Detailangaben
Hauptverfasser:	LAX, Avi, BEN YISHAY, Neta
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	AMPLIFIERS APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS BASIC ELECTRONIC CIRCUITRY CONTROL OR REGULATION THEREOF CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY GENERATION TRANSMISSION
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Beschreibung
Zusammenfassung:	A method for compensating for power supply ripple that is present in a supply voltage that is generated by a switched-mode power supply, the method including: calculating an estimated power supply ripple that is expected to be generated by the switched-mode power supply; generating a digital ripple compensation signal, based on the estimated power supply ripple; combining a digital baseband (BB) signal and the digital ripple compensation signal to generate a digital modified BB signal; converting the digital modified BB signal to an analog radio frequency (RF) signal; and amplifying the analog RF signal, based on the supply voltage, to generate a RF transmission signal.