LOAD-ADAPTIVE POWER AMPLIFIER

Certain aspects of the present disclosure provide an amplification system. The amplification system generally includes: a first amplifier having an output coupled to an output of the amplification system; a second amplifier, inputs of the first amplifier and the second amplifier being coupled to an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: DUNWORTH, Jeremy Darren, NGAI, Wai Lim
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:Certain aspects of the present disclosure provide an amplification system. The amplification system generally includes: a first amplifier having an output coupled to an output of the amplification system; a second amplifier, inputs of the first amplifier and the second amplifier being coupled to an input of the amplification system; an impedance coupled to an output of the second amplifier; and a biasing circuit having a first voltage sense input coupled to the output of the first amplifier, a second voltage sense input coupled to the output of the second amplifier, and an output coupled to a bias input of the first amplifier.