VORAUFGEZEICHNETE SIGMA-DELTA WERTE ZUR STEUERUNG EINES LEISTUNGSVERSTÄRKERS

In order to increase the resolution of signals input to a power amplifier, this system includes a power control circuit which utilizes sigma delta modulated values which are stored in a memory device. These values, after retrieval from an addressable memory, are supplied only to a low pass filter be...

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Bibliographische Detailangaben
Hauptverfasser:	SEDVALLSON, SEBASTIAN, GRAHM, TORBJOERN, GAERDENFORS, TORBJOERN, KHULLAR, ANDERS
Format:	Patent
Sprache:	ger
Schlagworte:	BASIC ELECTRONIC CIRCUITRY CODE CONVERSION IN GENERAL CODING CONTROL OF AMPLIFICATION DECODING ELECTRICITY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	In order to increase the resolution of signals input to a power amplifier, this system includes a power control circuit which utilizes sigma delta modulated values which are stored in a memory device. These values, after retrieval from an addressable memory, are supplied only to a low pass filter before being sent to the control input of the power amplifier. The use of sigma delta modulated values can result in a reduction of hardware within the power control circuit of communication devices and increase the signal resolution by moving noise elements from the signal.