Linearized power amplifier

A linearized power amplifier circuit comprising:

• a non-linear radio frequency (RF) power amplifier for amplifying an input signal and producing an output signal corresponding thereto, said input signal having envelope properties, said non-linear amplifier exhibiting non-linear amplitude and phase characteristics and having at least one operating point input;
• dynamic bias modulation means for dynamically modulating the operation of said non-linear amplifier for efficient operation of said non-linear amplifier, said dynamic bias modulation means comprising, an input signal envelope determining means for obtaining an envelope signal from said input signal, mapping means for converting said envelope signal to at least one optimum operating voltage for said non-linear amplifier, and power driver means for applying said at least one operating voltage to said operating point input of said non-linear amplifier;
• and
• linearization means which is separate and distinct from said dynamic bias modulation means, said linearization means utilizing a signal representation in said circuit that does not result in bandwidth expansion for linearizing and correcting for the non-linear amplitude and phase characteristics of said non-linear amplifier and further for correcting for additional distortion and errors introduced by said dynamic bias modulation means.