B.TECH - Semester 3 electronic circuits Question Paper 2019 (mar)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- Why is the operating point selected at the centre of the active region?
- How are amplifiers classified according to the transistor configuration?
- Give the relationship between rise time and bandwidth.
- Define CMRR.
- Write the Barkhausen Criteria for Oscillation.
- Define Transconductance.
- What is meant by stagger tuning ?
- What is expression for frequency of oscillation for RC Phase Shift oscillator ?
- What is Regulator and what are the types of Regulator ?
- What is meant by Bootstrap circuit ? P.T.O. Answer any one full question from each Module. Each full question carries 20 marks. ( $\mathbf{4} \boldsymbol{\times} \mathbf{2 0} \boldsymbol{=} \mathbf{8 0}$ Marks)
- Draw the circuit of a Wein bridge oscillator and explain its working. Derive the expression for frequency of oscillation and condition for oscillation.