| 摘要 |
PROBLEM TO BE SOLVED: To ensure the stability of power supply output even when a load fluctuates. SOLUTION: A power supply device supplies power to an amplifier. It includes: a regulator for stabilizing the voltage of power supplied to the amplifier; and a stability control unit that acquires an amplitude level of an input signal input to the amplifier and controls the stability of voltage, stabilized by the regulator, based on the amplitude level. COPYRIGHT: (C)2008,JPO&INPIT
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