Patent ID: 9246454
Filing Date: 2016-01-26
CPC Classification: H03F

Claim Text:
1. A mobile communication device comprising: an adaptive power amplifier comprising: a RF output; a supply voltage input; a scalable amplifier stage operative to produce an RF output signal at the RF output and operative to adjust a number of amplifiers in the scalable amplifier stage in response to a configuration signal that is based on a supply voltage modulation type provided to the supply voltage input; a variable impedance operative to vary the line impedance of the adaptive power amplifier in response to the configuration signal that is based on the supply voltage modulation type provided to the supply voltage input; a bias adjustment operative to vary a bias of the amplifiers in the scalable amplifier stage in response to the configuration signal that is based on the supply voltage modulation type provided to the supply voltage input; a voltage supply capacitance adjustment circuit operative to adjust the input capacitance of the supply voltage input of the adaptive power amplifier in response to the configuration signal that is based on the supply voltage modulation type provided to the supply voltage input; and a controller operatively responsive to a control interface signal, the control interface signal providing an indication of the supply voltage modulation type being used to supply a supply voltage to the supply voltage input of the adaptive power amplifier, the controller configured to provide the configuration signal.