RG接100欧不是放大1000倍吗?怎么输出才2倍左右?请问要放大1000倍如何接才正确?
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您好,单电源也能放大1000倍的,只不过要提供合适的共模电压,最好是VCC的一般,这样仪表放大器内部放大器拥有最好的工作点,在高增益的条件下也不会产生饱和。