KERALA UNIVERSITY Class 8 micorwave devices and circuits Question Paper 2013

Practice authentic previous year questions for better exam preparation.

Sample Questions

(b) Derive the expression to find line impedance of transmission line.
(a) What is directional coupler? Derive the S-matrix of two-hole directional coupler.
Why phase focusing effect is important in magnetron? ( $\mathbf{1 0} \boldsymbol{\times} \mathbf{2} \boldsymbol{=} \mathbf{2 0}$ Marks) P.T.O. Answer one full questions from each Module, 20 marks each.
(a) Compare micro-strip and strip line from the perspective of sensitivity to the dielectric coefficient.
(b) A lossless parallel strip line has a conducting strip width $w$. The substrate dielectric separating the two conducting strips has a elative dielectric constant of 6 and a thickness of 4 mm . Calculate the required width of the conducting strip i...