The field effect transistor (FET) works in the saturation region and can be used as an amplifier. The AC amplification performance is independent of the DC operating point.A:正确 B:错误答案: 错误分析：The ac parameters gm and ro are determine by DC point.

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The field effect transistor (FET) works in the saturation region and can be used as an amplifier. The AC amplification performance is independent of the DC operating point.A:正确 B:错误 答案: 错误 分析：The ac parameters gm and ro are determine by DC point.