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Journal ArticleDOI
01 Dec 2000
11 Citations
Comparison with other recent designs shows that the proposed amplifier has the lowest P/sub d/ and the best noise performance.
Proceedings ArticleDOI
Zheren Lai, Keyue Smedley 
18 Jun 1995
25 Citations
It is suitable for high efficiency and high fidelity audio power amplification applications.<<ETX>>
A comparison of the performance of this audio amplifier with that of some commercial class-D audio amplifiers, reveals that our design can seriously compete with some of the ICs leading the market at a lower cost.
Therefore final output power, power gain, and efficiency performances of the proposed balanced amplifier are highly improved compared to the conventional balanced amplifier.
The amplifier has improved efficiency compared to the conventional distributed amplifier and has improved input and output match compared to the dual-fed distributed amplifier.
The new amplifier shows sufficient favorable characteristics.
Thus, the efficiency and power density of the proposed audio amplifier system can be improved.
The proposed amplifier benefits from an optimum compensation through time-domain optimization which permits achieving high energy efficiency.
In simulation, the proposed audio amplifier shows improved power efficiencies and good output linearities with THD less than 0.1% under different input signals.
The proposed amplifier has the benefit of delivering the same performance while consuming a fraction of the power compared to the conventional rail-to-rail amplifier.

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