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

1. ADC performance and Specification.
2. R-2R Ladder DAC.
3. Voltage variable capacitor.