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其实是个交流同相放大电路, 从反馈回路就可以计算放大倍数了
嗯嗯,这个我知道好计算,我想知道,电压放大倍数,怎么将功率也放大了
在负载不变时,输出电压和输出功率呈平方关系,即电压放大一倍;功率输出达到4倍。因此;同样负载下,在放大器可承受范围之内,放大电压就是放大功率。