Cascade amplification Successively using two or more amplification systems. Most radio and audio products have more than one stage of amplification.
级联放大逐次使用两个或多个放大系统。大多数无线电产品和音频产品使用两次以上放大。
Why audio buffer needs only one stage while video buffer needs two stages for amplification?
为何音频电路仅需要单级放大电路，而影像电路必须两级反向。
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