EC2208 Electronics Circuit Lab-1 - Model Questions

Anna University

Electronic Circuits I Lab Model Questions

Department of Electronics and Communication Engineering

Third Semester

Model Questions provided by Sri Shakthi Institute of Engineering and Technology

1. Design and construct BJT common Emitter Amplifier using fixed bias .Determine the bias
resistance by locating the Q point at the center of load line.

2. Construct BJT common Emitter Amplifier using Voltage divider bias with by passed emitter resistor. Calculate the gain and plot the frequency response.

3. Construct BJT common Collector Amplifier using Voltage divider bias without by passed capacitor. Calculate the gain and plot the frequency response.

4. Design a Darlington Amplifier using BJT and measure its gain and input resistance

5. Design a common drain amplifier, to measure the gain , input resistance and output resistance with and without bootstrapping.

6. Construct a differential amplifier using common mode and differential mode .Calculate their corresponding gain.

7. Design a Class A power amplifier and calculate its efficiency .Prove the results theoretically.

8. Construct a class B (complementary Symmetry) power amplifier .Measure its output waveform with cross over distortion and modify the circuit in order to avoid cross over  distortion

9. Construct a power supply using half wave rectifier and draw it characteristics for load  regulation using zener diode.

10. Construct a power supply using full wave rectifier using capacitor filter. Measure its  D.C.Voltage and ripple factor.

11. Construct BJT common Emitter Amplifier using fixed bias and plot the frequency response to determine the gain bandwidth product

12. Construct BJT common Emitter Amplifier using Voltage divider bias without by passed emitter resistor. Calculate the gain and plot the frequency response and determine the gain bandwidth product.

13. Construct BJT common Emitter Amplifier using Voltage divider bias with by passed capacitor . Calculate the gain and plot the frequency response and determine the gain  bandwidth product.

14. Design a Darlington Amplifier using BJT and plot the frequency response and calculate the gain bandwidth product.

15. Design a source follower with bootstrapping Gate resistance and measure the gain, input resistance and output résistance. Compare the result with the calculated values

16. Construct a circuit to calculate CMRR using BJT which can be operated in two different modes

17. Construct a Class A power amplifier . its output waveform and maximum power output and determine its efficiency

18. Construct a class B (complementary Symmetry) power amplifier, from its output waveform measure the maximum power output and determine it efficiency

19. Construct a power supply using Half wave rectifier. Measure its D.C.Voltage and ripple factor

20. Construct a power supply using full wave rectifier using capacitor filter .Measure its load regulation