| 摘要 |
PROBLEM TO BE SOLVED: To provide a power amplifier capable of enhancing the utilizing efficiency and the stability of its circuit together with an operating efficiency of an amplifier element. SOLUTION: The power amplifier capable of carrying out bipolar operations for generating a prescribed output voltage to a load 5 through operations of power semiconductors 2, 3 sets a power supply voltage applied from a power supply 4 to the power semiconductors 2, 3 on the basis of a range of the output voltage applied to the load 5 by the power semiconductors 2, 3. COPYRIGHT: (C)2006,JPO&NCIPI
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