The second is that the voltage gain is increased to the extent of maximum value in theory.

将电压增益提高到了理论上的最大值。

One thing I should mention is that the voltage gain and output buffers for all of the equipment is modular and can be replaced.

值得一提的是，它的放大级输出级采用模块化设计。

Using the concept of virtual short circuit and virtual open circuit, the voltage gain of depth negative feedback circuit can be estimated.

利用“虚短”和“虚断”的概念来估算深度负反馈电路的电压增益。