Patent Document ID: 20050227642
Application ID: 10821057
Patent Status: 0

Claim One:
1. A radio transmitter within a radio transceiver, comprising: a digital modulator that receives outgoing digital data, that digitally modulates the outgoing digital data to produce a digital information signal, and that compensates the digital information signal to produce a pre-compensated digital information signal that is pre-compensated for phase and magnitude imbalance of at least one analog downstream radio transceiver circuit component, the digital modulator further including an adder to sum in-phase signal component and quadrature phase signal component of the pre-compensated digital information signal to produce an outgoing signal for transmission; a digital-to-analog converter (DAC) that receives the pre-compensated digital information signal and that converts the pre-compensated digital information signal to produce a continuous waveform analog signal; a downstream filter that filters the continuous waveform analog signal to produce a filtered continuous waveform analog signal; and phase locked loop circuitry (PLL) that receives the filtered continuous waveform analog signal to produce an output information signal in a selected frequency band.