Mumbai University Previous year question papers
VI Sem Electronics Examination Dec 2006
Antena and Wave Propogation
N.B. [I] Question No.1 is’compulsorY
Answerany four out of remaining six questions
 Assumptionsmade should be clearly stated
 Assumeany suitable data wherever requires!butjustify the sa~
 I:iguresto the right indicate marks
 Illustrateanswer with sketches wherever re~jrcd
 Answerto questions should be grouped and written together
Usea blue/blackink pen to writeanswers.Useofpen!jJ shouldbe doneonlyto draw sketchesand graph
I. Explain the following:-
(a) FRlIS transmission equation.
(b) Maxwell’s equations.
(c) Groundeffects and their applications,
(d) Planar array and their applications,
(e) Loop antennas.
2. (a) Explainthe basic antenna parameters.
(b) Retarded potentials and their importance-
3. (a) Wire antennas and their specific applications,
(b)-End fire vs Broadside arrays.
4. (a) Travellingwave antennas and their applications,
(b) Log periodic antennas vs Aperture antennas.
5. Various reflector antennas and their applications.
6.Types of micros trip antennas and their characteristics.
7 Explain diff~rent microwave propagation methods and their effects.