KERALA UNIVERSITY Class 7 microwave engineering Question Paper 2019

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Sample Questions

Explain velocity modulation in klystron.
703 : MICROWAVE ENGINEERING (T) (2008 Scheme) Time : 3 Hours Max. Marks 100 Answer all questions. Each question carries 4 marks.
Derive the equation for convention current in Helix TWT.
Reflex klystron operates under the following condition: $\mathrm{V}_{0}=600 \mathrm{~V} \mathrm{R}_{\mathrm{sh}}=15 \mathrm{k} \Omega$, $\mathrm{e} / \mathrm{m}=1.759 \times 10^{11} \cdot \mathrm{fr}=9 \mathrm{GHz}$. The tube is oscillating at fr at ...
Briefly explain the physical structure and power frequency limitations of microwave bipolar transistors.