实验结果表明，数字功率放大器具有电流纹波小、稳定性能好和电流响应快等优点。
Experimental results show that this digital power amplifier has the characteristic of low current ripple, quick current response and high stability.
第二，推挽A级放大器输出阶段将拥有固有拒绝电源纹波和噪声。
Second, a push-pull class A amplifier output stage will have inherent rejection of power supply ripple and noise.
理论分析和试验表明，该功率放大器具有电流纹波小、电磁干扰小、效率高等优点。
Theory analysis and experiments prove that such tri-state power amplifier has a series of advantages such as: little current wave, slight electromagnetic interference, high efficiency and so on.
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