Antenna and Wave Propagation

 

This lab deals with  the comprehensive study and  experiments on Antenna Wave Propagation. AWP lab is equipped with the Antenna Trainer Kits comprising with Trans/receive unit and inbuilt power meter, antenna mounts, stepper motor to rotate the the position of receiving antenna, Directional couplers, interconnecting cables, different type of connectors/adapters and various types of antennas such as, Omni-directional, Dipole, Folded-dipole, Crossed-dipole, Square-loop, VEE, Helical, Biconical, End-slot, Log-periodic, Yagi-Uda antenna etc. The lab also have some very frequently used instruments/equipments such as   Soldering set, Power supplies Multimeter, Function Generator, Oscilloscope, Spectrum Analyzer etc.

In this lab the students are able to perform the experiments prescribed by The NorthCap University as well as some Value-added experiments.The students can perform 15 experiments comprising of  hardware based, software based and Virtual-lab based. The lab is fully equipped to study the variation of field strength of radiation , to plot the radiation pattern, to study the phemenon of polarization of vertical, horizontal and circularly polarized antennas, to studyof resonant and Non-resonant antennas with resonant frequency and VSWR,To study the current distribution along the element of antenna,To demonstrate the reciprocity of transmitting and receiving antennas and study of  various types of antennas mentioned above.

 

 

LIST OF EXPERIMENTS

 

1. To Study the variation of field strength of radiated wave, with distance from transmitting antenna.

2. To plot the radiation pattern of an Omni-directional antenna. 

3. To plot the radiation pattern of a directional antenna.

4. To Study the phenomenon of linear and circular polarization of antennas.

5. To study the difference between resonant and non-resonant antennas ,calculate the resonant frequency and estimate the VSWR of a resonant antenna.

6. To demonstrate that the transmitting and receiving radiation patterns of an antenna are equal and hence confirm the reciprocity of antennas

7. To plot the radiation pattern of dipole antenna in Azimuth & Elevation planes, to measure the beam width (-3dB),side lobe level and its angular position, plane of polarization and directivity and gain of the dipole antenna

8. To study antenna resonance and measure VSWR, impedance & bandwidth,to measure the gain bandwidth of the dipole using log-periodic antenna. Study the difference between Folded dipole and dipole antennas.

9. To plot the radiation pattern of yagi antenna in Azimuth & Elevation planes, to measure the beam width (-3dB), front to back ratio, side lobe level and its angular position, plane of polarization, directivity & gain of the yagi antenna

10. To study antenna resonance and measure VSWR, to study the difference between a 3el & 4el yagi. To find the gain bandwidth of yagi antenna using a log-periodic antenna.

11. To plot the radiation pattern of Monopole antenna in Azimuth & Elevation planes, To measure the beam width (-3dB), front to back ratio, side lobe level and its angular position, plane of polarization, directivity & gain of the Monopole antenna

12. To plot the radiation pattern of Crossed dipole in Azimuth & Elevation plane, To measure the beam width (-3dB), front to back ratio, side lobe level and its angular position, plane of polarization, directivity & gain of the Crossed dipole antenna.

13. To plot the radiation pattern of Vee in Azimuth & Elevation planes, To measure the beam width (-3dB), front to back ratio, side lobe level and its angular position, plane of polarization, directivity & gain of the Vee antenna

14. To plot the radiation pattern of monofiliar axial mode helix antenna in Azimuth & Elevation planes, To measure the beam width (-3dB), front to back ratio, side lobe level and its angular position, plane of polarization and directive gain of the helix antenna

15. To plot the radiation pattern of Patch in Azimuth & Elevation planes, to measure the beam width (-3dB), front to back ratio, side lobe level and its angular position, plane of polarization, directivity & gain of the Patch antenna to study antenna resonance and measure VSWR,.