50.2.3 - Voltage Gain
Enroll to start learning
You’ve not yet enrolled in this course. Please enroll for free to listen to audio lessons, classroom podcasts and take practice test.
Practice Questions
Test your understanding with targeted questions
What is the general formula for voltage gain in an amplifier?
💡 Hint: Think about the relationship between input and output voltages.
What configuration connects the input to the emitter?
💡 Hint: Remember where the base is placed in the circuit.
4 more questions available
Interactive Quizzes
Quick quizzes to reinforce your learning
What is the primary purpose of an amplifier?
💡 Hint: Consider the function of amplifiers in audio and broadcasting.
True or False: The voltage gain for a common base amplifier includes a negative sign.
💡 Hint: Reflect on the phase relationship in amplifier configurations.
1 more question available
Challenge Problems
Push your limits with advanced challenges
Given a common base amplifier with an input impedance of 25 ohms and a source resistance of 50 ohms, calculate the effective input voltage at the emitter if the source voltage is 5V.
💡 Hint: Think about how resistances in series affect voltage.
If the transconductance g_m is 20 mA/V and the output load resistance is 500 ohms, what is the voltage gain?
💡 Hint: Multiply transconductance by load resistance.
Get performance evaluation
Reference links
Supplementary resources to enhance your learning experience.