Patent ID: 6148220
Filing Date: 2000-11-14
Classification: H03F,H03G

Abstract:
A mobile wireless device comprising:an amplifier connected to receive an input signal to be transmitted, said amplifier having a power supply input terminal and an amplfier output terminal;a controllable voltage regulator having a battery input terminal and a voltage control terminal, said regulator having an output voltage terminal connected to said power supply input terminal of said amplifier;a receive portion that receives a signal from another transmitting device and generates a signal strength indication signal indicative of the strength of said signal received from said another transmitting device; anda controller having an output connected to said control terminal of said regulator and a controller input terminal connected to receive a signal related to said signal strength indication signal to cause an average power output of said amplifier to be related to said signal strength indication signal, said controller also controlling a bias level of one or more components in said amplifier based on said strength of said signal from said another transmitting device.