| 摘要 |
PROBLEM TO BE SOLVED: To provide a digital amplifier module suitable for integration into combined AV equipment. SOLUTION: A pulse modulator 120 comprising a digital amplifier circuit, a class-D driver 130 that is driven by a PWM signal, a low-pass filter 140 for extracting an audio signal and a DC/DC converter 110 that supplies power to the class-D driver 130, are configured inside one module and a digital amplifier module 100 thus configured is disposed inside an audio component 500 together with an AM/FM radio receiving unit 510, a CD/DVD player 530 and the like. COPYRIGHT: (C)2006,JPO&NCIPI
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