| 摘要 |
PURPOSE: A distortion compensation apparatus for suppressing the nonlinear distortion of transmission amplifier output by processing an input signal into a digital signal is provided to prevent a radiation power except band by generating a group of series operation coefficient cancelling the non-linear distortion of a power amplifier. CONSTITUTION: Binding information memory units(110, 111) memory a feedback signal and a distortion compensation signal. Binding information controllers(106, 112) read the binding information corresponding to the power offset from the binding information memory unit. When a coefficient updater(105) updates a class calculation coefficient group, the binding information controller controls the binding information.
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