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Give an example for each type of these telecomunication systems ? Simplex, Half Duplex, Full Duplex.

There are three types of telecomunications system based on the way of connection: Simplex, Half Duplex, Full Duplex.

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تم إضافة السؤال من قبل هاشم المشارقة , Key Account Manager , Advanced United Systems Ltd. ( A member of Taj Holding Group)
تاريخ النشر: 2014/08/18
Muhammad Mustafa
من قبل Muhammad Mustafa , CEO , ASPECT

Simplex :- TV, Radio, Basement door openers, Wireless Microphone. Half Duplex :- The Walkie Talkie (Push to Talk Feature) where communication is in transmission and reception however not Simultaneously. Full Duplex :- Mobile/Telephone(PSTN) where Communication is simultaneous in both transmission and reception

Hamdi Jafar
من قبل Hamdi Jafar , HSE Manager / Trainer , Luminus Technical Univesity College

Hi all,

All the Simplex, Half duplex are correct but,

Kindly note that Cell phone is not full duplex as the cell phone is either in transmission or receiving mode at any given time and the sound you hear in the load speaker  when you take is just a feed back noise from your own environment to give you the feeling that the line is still open but actually it is not receiving anything while transmitting.

 

A good example for Full duplex is old land line telephone as it sends and receives at the same time due to unbalances transformer that converts4 line required (2 for transmission,2 for receiving )  into2 lines that is the connection to the public exchange.

 

To use full duplex in telecommunication and due to interference usually you need a dedicated line, or channel, or frequency  for each direction to be separate each direction and source.

 

Best Regards

Eng. Hamdi Jafar 

SUMITH V S
من قبل SUMITH V S , Operations Coordinator , Christian Dior Couture Middle East FZE

simplex: TV broadcast Half duplex: CB Radio Full duplex: Telephone conversation

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