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Types of Antenna:

 

 

Dipole Antenna:

 

Dipole Antenna
Shoot at: RGMTTC, ChennaiDipole Antenna Shoot at: RGMTTC, Chennai

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Dipole Antenna
Shoot at: RGMTTC, ChennaiDipole Antenna Shoot at: RGMTTC, Chennai

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yagi Uda Antenna:

 

Characteristics of Yagi Antenna

Shoot at: RGMTTC, ChennaiCharacteristics of Yagi Antenna Shoot at: RGMTTC, Chennai

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Yagi Antenna.Yagi Antenna.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Wondering why size of dipole decreases? discuss with friends and refer book....

 

Hint: Back portion acts as reflector.

Parabolic Antenna:

 

Parabolic antenna

Shoot at: RGMTTC, ChennaiParabolic antenna Shoot at: RGMTTC, Chennai

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Parabolic antenna used for communication. It uses Line of Sight. ie, both antennas must face each other for communicating

Shoot at: RGMTTC, ChennaiParabolic antenna used for communication. It uses Line of Sight. ie, both antennas must face each other for communicating Shoot at: RGMTTC, Chennai

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Satellite transmitters and receivers

Shoot at: Doordarshan Kendra, ChennaiSatellite transmitters and receivers Shoot at: Doordarshan Kendra, Chennai

 

 

 

 

 

 

 

It is used for transmitting to/receiving signal from satellite.

 

This satellite antenna works on Narrow band frequencies. Hence it has large dish sizeThis satellite antenna works on Narrow band frequencies. Hence it has large dish size

 

 

 

 

 

 

 

 

 

 

 

 

Wide band dish used for normal house hold. Wide band has low dish sizeWide band dish used for normal house hold. Wide band has low dish size

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Parabolic antenna reflection principle

Ref: phantompilots.comParabolic antenna reflection principle Ref: phantompilots.com

 

Loop Antenna:

      It is used in finding direction of incoming signal.

Loop antennaLoop antenna

 

 

 

 

 

 

 

 

 

 

Microstrip Patch Antenna:

     It is used in modern mobile phones due to low size.

     It is used for GPS and mobile signal transceiver.

Patch antennaPatch antenna

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Helical Antenna:

   It produces circular polarized wave.

   It is used in olden days for Cellular and satellite communication.

 

Mobile antenna in olden days(Monopole)Mobile antenna in olden days(Monopole)

Helical antenna for satellite communicationHelical antenna for satellite communication