Module-1
1.
2.
3.
4.
5.
6.
What is Microwave system?
What are Microwave Frequencies?
What is Smith Chart and Single Stub Matching?
Derive equation for Reflection Coefficient.
Derive Equation for Transmission Coefficient.
Define SWR and derive the same.
Module-2
7. What is S-parameter?
8. What is the need for S-parameter
9. Explain Magic-Tee
10. Explain Phase shifter
11. Explain Attenuators.
12. Explain Microwave Passive devices
Module 3
13.
With a neat sketch explain the different types of strip lines
14.
What are the different losses taking place in microstrip line
15. Obtain the Characteristic equation for a parallel stripline.
16. Derive the equation for Z0 of shielded stripline.
17. Derive the equation for Z0 of coplanar stripline.
18. With equations explain the different losses in striplines.
Module 4
19. State and prove power theorem and its application.
20. Derive an expression for the power radiated from an isotropic point source with sine
squared power pattern.
21. Eight point sources are spaced apart. They have a phase difference of π/3 between
adjacent elements. Obtain the field pattern. Also find BWFN and HPBW.
22. Derive the expression for total field in case of two isotropic point sources with the same
amplitude and equal phase. Plot the field pattern for two isotropic sources spaced apart.
23. Explain the principle of pattern multiplication.
24. Derive an expression and draw the field pattern for isotropic point sources of same
amplitude and opposite phase. Also determine its maxima, minima and HPBW.
25. 4 isotropic point sources are placed apart. The power applied is with equal amplitude
and a phase difference of π/3 between adjacent elements. Determine BWFN.
26. Derive the field equation for a linear array of n isotropic point sources of equal
amplitude and spacing. Explain its operation as (a) broadside array (b) end fire array.