| 摘要 |
PROBLEM TO BE SOLVED: To provide a digital amplifier module suited to a complex AV system. SOLUTION: The digital amplifier module comprises therein a pulse modulator 120 constituting a digital amplifier circuit, a D class driver 130 driven by a PWM signal, a low pass filter 140 for extracting a voice signal, and a DC/DC converter 110 for supplying power to the D class driver 130. The digital amplifier module 100 is disposed in an audio component 500 together with an AM/FM radio receiver part 510 and a CD/DVD player 530. COPYRIGHT: (C)2006,JPO&NCIPI
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