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在電子電路中,用于信號(hào)前后級(jí)輸入輸出阻抗匹配的放大器,就是緩沖器。緩沖放大器通常是1:1的放大器,它沒有放大信號(hào),而是起到阻抗匹配的作用,減小信號(hào)失真、抗干擾。
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