To the operational amplifiers circuits which works at deep negative feedback mode, we adopt ideal parameter deduced form ideal model instead of actual parameter usually.
对工作在深度负反馈状态的运算放大器电路，常采用虚短虚断技术得出的理想参数代替实际参数。
The analysis of ideal model indicates that 4 negative feedbacks of the negative feedback amplifiers have different effects on 4 gains of the amplifiers.
根据理想模型分析，表明负反馈放大器的4种负反馈对放大嚣的4种源增益的影响是不同的。
The negative feedback mechanism and the effect of information flow are added in the model.
在传染模型中加入了负反馈机制与信息流效应。
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