engineering recuitment GATE ECE 2023-24 Test Series Analog Electronics Bipolar Junction Transistors BJT As a Amplifier
A BJT amplifier has shown in the figure (β= 50). Under DC conditions I = 1mA at room temperature. Choose the correct options from below for mid-frequency analysis. (It can be assumed that at mid-frequency the capacitors can be considered to be short-circuited and at room temperature assume thermal voltage to be 25mV).
1
Voltage gain: AV = -392 V/V
2
Input impedance: Rin = 25 Ω
3
Output impedance: R0 = 40k
4
Output impedance: R0 = 50k