PTU B.Tech ECE 6th & 7th Sem Paper 2012 Microwave & Radar Engineering

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PTU B.Tech ECE 6th & 7th Semester Paper 2012 Microwave & Radar Engineering Punjab Technical University Exam 2012 6th & 7th Sem Microwave & Radar Engineering Test September and March Question Paper Free Download Punjab Technical University Microwave & Radar Engineering Question Papers 2012 PTU B.Tech ECE 6th & 7th Semester Question Paper 2012 for all students Previous Year old Past Papers of PTU B.Tech ECE 6th & 7th Sem Paper 2012 Microwave & Radar Engineering Punjab Technical University September 2012 and March 2012 Exam B.Tech ECE 6th & 7th Semester Sample Model Question Papers Free Download PDF

 Microwave & Radar Engineering

 a) List the limitations of vacuum tubes.
b) What is Gyrator?
c) What is the need of slow wave structure in T.,WT?
d) What is matched termination?
e) What are the applications of BWO?
f) An IMPATT diode has a pulsed.operating voltage of 1 OOV and a pulsed operating current of 0.9A. The efficiency is about 10%. Calculate (i) the output power and (ii) duty cycle, if the pulse width is 0.01 ns and the frequency is 16GHz.
g) What is multiple—time—around echoes.
h) What is Ra.1omes?
I) How One can distinguish a stationary targets and a moving targets?
j) Mention advantages & disadvantages of phased array radar?

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