Microwave and radar engg
Previous year question paper with solutions for Microwave and radar engg
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- Name different high frequency limitations of conventional tube.
- Write the full forms of IMPATT and TRAPATT diodes.
- Draw V-I characteristic of TUNNEL diode.
- Define frequency pushing and pulling in magnetron.
- What are mode oscillations in magnetron?
- What is VSWR?
- Explain Doppler Effect.
- Define Blind speed.
- What do you mean by staggered PRF?
- What are the limitations of CW radar?
- Name any two devices which make use of Faraday rotation.
- Draw the diagram of impedance measurement using slotted line.
- Give high frequency limitations of conventional tubes.
- Explain the application of Magic Tee as duplexer.
- What is back heating? How can it be avoided?
- A TRAPATT has the following specifications : Doping Concentration = 2.5*1016/cm3 Current density = 33Ka/cm3 Calculate Avalanche zone velocity
- Give the applications of Varactor Diode.
- Draw the VI characteristics of Tunnel Diode.
- Name any three techniques of Angle Tracking.
- Write brief notes on : a) Blind speed b) Monopulse Tracking
- What is BWO?
- Define Gunn Effect.
- What is tunnelling effecy?
- What is the need of comer and bends in microwave?
- Why is an isolator used in microwave bench?
- Define microwave band.
- What are the different properties of s-matrix?
- Define the term directivity and coupling factor in directional coupler.
- What is cavity resonator?
- What is pulse repetition frequency in radar?