When multistage amplifier has double input double - output differential circuit, the two methods produce different calculating results.

多级放大器的放大倍数的计算有两种基本方法,但当多级放大器中含有双入双出型差动电路时.

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Finally, the center tapped inductors are designed for differential circuit with better symmetry property.

最后设计了应用于差动电路的中心外接之对称电感,以增加其的电路对称特性.

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