Demodulation apparatus for digital audio amplifier
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United States of America Patent
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Mar 15, 2005
Grant Date -
Apr 22, 2004
app pub date -
May 7, 2003
filing date -
May 8, 2002
priority date (Note) -
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Abstract
Disclosed is a demodulation apparatus for a digital audio amplifier capable of solving a space, cost and heat generation of the digital audio amplifier. The demodulation apparatus includes a first inductor connected between a positive digital audio signal output terminal and one end of a load, a second inductor connected between a negative digital audio signal output terminal and the other end of the load, and magnetically coupled to the first inductor, a first capacitor connected between the one end of the load and ground and coupled to the first inductor for serving as a low-pass filter, and a second capacitor connected between the other end of the load and ground and connected to the second inductor for serving as a low-pass filter.
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