| 摘要 |
PROBLEM TO BE SOLVED: To provide a signal line formation improvement method capable of more effectively improving a line formation without omitting information held by an inputted signal and an outputted signal in a power amplifier circuit, a light emission element driving circuit, etc. SOLUTION: In the signal line formation improvement method, the inputted signal is branched into a first path 201 and a second path 202, the signal branched into the first path is composited with another signal to generate a signal similar to the signal branched to the second path, a signal obtained by compositing the signal branched to the first path with the other signal is processed to branche it into a third path 203 and a fourth path 204, the signal branched to the third path is outputted to the outside, and a signal similar to the signal branched into the fourth path is generated, thereafter a signal with the same signal amplitude and reverse phase relation to the signal branched into the second path by adjusting a phase of the similar signal is generated, and the signal generated by compositing the signal branched into the second path with the signal with reverse phase is defined as the other signal. COPYRIGHT: (C)2004,JPO&NCIPI
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