![Why is DC component ignored and AC analysis is used when obtaining input output impedance of a BJT transistor amplifier? - Electrical Engineering Stack Exchange Why is DC component ignored and AC analysis is used when obtaining input output impedance of a BJT transistor amplifier? - Electrical Engineering Stack Exchange](https://i.stack.imgur.com/jNqFD.png)
Why is DC component ignored and AC analysis is used when obtaining input output impedance of a BJT transistor amplifier? - Electrical Engineering Stack Exchange
![AC equivalent circuit of the first stage of CE amplifier The current... | Download Scientific Diagram AC equivalent circuit of the first stage of CE amplifier The current... | Download Scientific Diagram](https://www.researchgate.net/publication/336834550/figure/fig3/AS:837298161717249@1576638846753/AC-equivalent-circuit-of-the-first-stage-of-CE-amplifier-The-current-gain-Ai-of-the-first.jpg)
AC equivalent circuit of the first stage of CE amplifier The current... | Download Scientific Diagram
![Part B-3 AMPLIFIERS: Small signal low frequency transistor amplifier circuits: h-parameter representation of a transistor, Analysis of single stage transistor. - ppt video online download Part B-3 AMPLIFIERS: Small signal low frequency transistor amplifier circuits: h-parameter representation of a transistor, Analysis of single stage transistor. - ppt video online download](https://slideplayer.com/slide/6285916/21/images/9/AC+Equivalent+for+the+BJT+Amplifier.jpg)