Advanced Electronics Universities Past Paper
Q1. (a) Explain Class A, B, & C amplifiers in detail.
(b) Explain Common-Collector amplifier.
Q2. (a) Derive a relation for a total gain of the 3-stage cascaded amplifier.
(b) Explain different coupling methods in amplifiers.
Q3. Explain switched capacitor DAC with the help of circuit diagram.
Q4. Briefly explain RC &LC filters with circuit diagrams used in amplifier circuits.
Q5. (a) Write a detail notes on Series and Shunt regulators.
(b) What is the difference between voltage regulators and voltage multipliers?
Q6. With the help of a diagram, explain Flash A/D converter in detail.
Q7. (a) Explain Push-Pull Amplifier in detail.
(b) Define Harmonic distortion and Feedback in amplifiers.
Q8. Write the short note on any two of the following
- ADC performance and Specification.
- R-2R Ladder DAC.
- Voltage variable capacitor.