A METHOD AND A DEVICE FOR ADJUSTING POWER AMPLIFIER PROPERTIES

A method and a device for tuning power amplifier (PA, 203) properties such as back-off. A peak-to-average value (PAR) of the amplifier input signal is first obtained by the control means (206) and then used for adjusting the power amplifier (203) with the tuning means (204, 208, 210) functionally co...

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Bibliographische Detailangaben
Hauptverfasser:	HAMALAINEN MIIKKA, JARVINEN ESKO
Format:	Patent
Sprache:	eng
Schlagworte:	AMPLIFIERS BASIC ELECTRONIC CIRCUITRY CONTROL OF AMPLIFICATION ELECTRICITY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A method and a device for tuning power amplifier (PA, 203) properties such as back-off. A peak-to-average value (PAR) of the amplifier input signal is first obtained by the control means (206) and then used for adjusting the power amplifier (203) with the tuning means (204, 208, 210) functionally connected to the amplifier (203). The suggested solution is advantageously exploited in a wireless communications device like a mobile terminal to optimise the performance thereof by, for example, reducing the power dissipation in the transmitter.