source impedance

Cascode device exhibits a slight lower of f T, a less feedback, a largely greater of maximum available gain and a higher impedance compare to that of common source device.

与共源器件相比，共栅共源器件表现出稍低的fT、较低的反馈、显著增加的功率资用增益及较高的端口阻抗。

If the ac source is current, then break the low impedance node.

__如果交流电源电流, 然后打破低阻抗节点.

Enhancing the number-noise squeezing of output light of a LED driven by high-impedance constant-current source using negative feedback

负反馈提高高阻恒流源驱动的LED的输出光场噪声压缩量

Series termination is an impedance matching technology in the source end which allows the receiver to receive integral signal.

串行端接是一种在源端进行阻抗匹配的端接技术，使得接收器可以收到完整的信号电压。