1. SRI VENKATESWARA COLLEGE OF ENGINEERING AND
TECHNOLOGY
DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING
Unit Test – I
Sub Name: Antenna and Wave Propagation Year: III A & B
Sub Code: EC 2353 Semester: VI
Two Marks (2*5 = 10 Marks)
1. Define Antenna?
2. Write about radiation pattern and list the types of lobes present in it.
3. Define polarization and list the types of polarization.
4. Define Beam solid angle.
5. Define Bandwidth of an antenna.
Ten Marks (10*1= 10 Marks)
6. (i). Antenna temperature (6)
(ii). Define Gain and Directivity (4)
Fifteen Marks (15*2= 30 Marks)
7. Hertzian Dipole - Radiation from a current element (15)
8. a. (i). Retarded Vector Potential (8)
(ii). Effective Aperture (7)
Or
b. (i). Reciprocity Theorem (8)
(ii). Effective Length (7)