1results about How to "Stable static operating point" patented technology

The utility model provides a kind of adaptive linearization bias circuit, radio frequency module, chip and electronic equipment.The adaptive linearization bias circuit includes biasing subcircuit and rectifier subcircuit;The output end of biasing subcircuit, the control end of rectifier subcircuit and the radio frequency input end of power amplifier are coupled first node, the output end of rectifier subcircuit is coupled the voltage division node of biasing subcircuit, rectifier subcircuit, it is configured to generate feedback signal according to the compensation current of biasing subcircuit to the power amplifier, so that biasing subcircuit reduces compensation current while not affecting linearity compensation function.The utility model can reduce the current of power amplifier while not deteriorating AM-AM distortion, so as to realize optimizing efficiency while not affecting linearity compensation function.