DISTORTION CORRECTION DEVICE, DISTORTION CORRECTION METHOD, AND AMPLIFICATION DEVICE
PROBLEM TO BE SOLVED: To provide a distortion correction device, a distortion correction method, and an amplification device, for improving distortion correction performance without requiring enormous labor and time for adjustment.SOLUTION: A distortion correction device 1 includes: an output IQ sep...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a distortion correction device, a distortion correction method, and an amplification device, for improving distortion correction performance without requiring enormous labor and time for adjustment.SOLUTION: A distortion correction device 1 includes: an output IQ separation part 22 for performing IQ separation of an output signal of an amplifier 10; an input IQ separation part 21 for performing IQ separation of an input signal to the amplifier 10; and correction part 23 for correcting a phase and an amplitude of the input signal on the basis of an IQ-separated signal output from the input IQ separation part 21 and the output IQ separation part 22.
【課題】調整に多大な労力と時間を要することなく、歪補正性能を向上する歪補正装置、歪補正方法、及び増幅装置を提供することを目的とする。【解決手段】歪補正装置１は、増幅器１０の出力信号をＩＱ分離する出力ＩＱ分離部２２と、増幅器１０への入力信号をＩＱ分離する入力ＩＱ分離部２１と、入力ＩＱ分離部２１及び出力ＩＱ分離部２２から出力されるＩＱ分離された信号に基づいて入力信号の位相及び振幅を補正する補正部２３とを備えている。【選択図】 図１ |
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