Patent ID: 8605814

Claim:
A distortion-compensated radio-frequency (RF) transmitter comprising: an RF amplifier that generates an amplified RF signal which includes a spurious baseband signal, said amplified RF signal being generated in response to an RF communication signal supplied to an input of said RF amplifier; an input bias feed network coupled to said input of said RF amplifier so as to exhibit an impedance; and a baseband signal processor having an output coupled to said input bias feed network, said baseband signal processor being configured to digitally generate a baseband compensation signal corresponding to said RF communication signal, to filter said baseband compensation signal through a filter configured to mimic said impedance of said input bias feed network, to produce an equalized baseband compensation signal, and to convert said equalized baseband compensation signal into an analog equalized baseband compensation signal which is applied at baseband to said input of said RF amplifier.