engineering recuitment GATE ECE 2023-24 Test Series Analog Electronics Bipolar Junction Transistors BJT As a Amplifier
For the given circuit shown below what would be the current gain (i0/isig)(assume Va = \infty )
1
Ai = i0/isig= α /(1 + Rsig/re)
2
Ai = i0/isig= α /(1 + re/Rsig)
3
Ai = i0/isig= α /(1 + re/Rsig)(1 + RC/RL)
4
Ai = i0/isig= α /(1 + re/Rsig)(1 + RL/RC)