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opa2277

Other Parts Discussed in Thread: OPA2277, OP07, OPA227

新手一枚,侧导纳膜时,在使用电压跟随器(我使用的芯片是opa227)的情况下,在测容性阻抗时,会产生失真的波形,大致是接近于正弦波的三角波,而且频率远大于我给的1000hz,为何?iv变换我用的opa2277,换成op07就又可以了…求解!