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When amplifier works in follower mode and I don't send a AC signal to the input pin,I test a DC offset volt in the positive input pin.Why?

Question asked by gongli1991@sina.cn on Sep 27, 2016
Latest reply on Sep 28, 2016 by gongli1991@sina.cn

After I send a AC sine to the positive input pin, the DC offset adds to the AC sine. Then,the output of the amplifer is saturated,it is VCC  or   VEE

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