Question
A transistor with $\beta=50$ is placed in a common base amplifier circuit with $I_E=1 \mathrm{~mA}$ and $R_{\text {Leq }}=5 \mathrm{k} \Omega$. (a) What is the small-signal voltage gain? (b) Does this circuit invert the signal?
Step 1
We have: - Current gain, \(\beta = 50\) - Emitter current, \(I_E = 1 \, \text{mA} = 0.001 \, \text{A}\) - Equivalent load resistance, \(R_{\text{Leq}} = 5 \, \text{k}\Omega = 5000 \, \Omega\) Show more…
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