... positive feedback 正反馈 positive feedback amplifier 正反馈放大器 positive feeder 正极馈电线; 正馈线 ...
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In audio, a very low frequency oscillation often resulting from a positive feedback path in an amplifier system.
在音响设备中出现的振荡频率极低的低频振荡，常因放大系统的正反馈回路引起。
The article analyzes the frequency characteristics of RC series parallel circuits and the symmetrical circuits, through studying the effectiveness of the positive-negative feedback to the amplifier.
从正、负反馈对放大器性能影响出发，分析RC串、并联电路及其对偶电路的频率特性。
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