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Gain/phase imbalance-minimization techniques for LINC transmitters
2001
IEEE transactions on microwave theory and techniques
Two simple calibration schemes for the correction of the path imbalance in a linear amplification with nonlinear components (LINC) transmitter have been demonstrated. In the foreground algorithm, a baseband digital signal processor (DSP) evaluates the gain and phase imbalance with a set of calibration signals, while in the background algorithm, the imbalance is characterized by exchanging the two LINC vector components. In both cases, the compensation of the path imbalance is accomplished
doi:10.1109/22.971643
fatcat:vlkyv23ctvcszfnhgp423sq7oa