The next step is for telecommunication engineers to outline a transmission and reception of the transmitted information. In designing the transmitters and receivers, the engineers have to factor in the power consumption especially of the transmitters since a weak signal will due to low or insufficient power will be susceptible to corruption by noise so that the sent information is received as jumbled or incoherent. Looked at simplistically, two telephone handsets connected together need a battery in between to provide the electrical signal to transmit voice signals as depicted below; d1 d2 Handset Battery Handset D Fig 1: Simple telecommunication connection In the above diagram signal will be transmitted a total distance D. d1 and d2 are the distances of each handset to the battery. Now D in practice can be a very long distance, for which certain factors determine this distance which are attenuation and IR drop that limits the voltage across the transmitter. The common 19 gauge wire has a 30 km limit which is also affected by the quality of the handsets. To increase the length of D, we can either increase the voltage of the power source (battery) or we can install amplifiers along D to solve the attenuation problem . The above diagram however is limited to just two people communicating; in real life hundreds or even thousands of people communicate in a telecommunication network not just two people. This makes signalling a more complex problem so that a telecommunication network type must be adopted. These can be a start topology, a mesh topology or many single start topologies connected together to form a network. Adding more users (subscribers) to a network over long distances will raise the cost of the network as many amplifiers and more power sources will be needed, a better solution is therefore needed. Only the most basic telecommunication systems require a power system on site. Telecommunication systems require a prime power source such as a mains electricity supply from a grid or a generator for sites in areas where there is no electric grid coverage and a standby power source should also be availed in case there are extended interruptions to the primary power source with a means to protect the equipment for instance against lightning or surges. Telecommunication systems utilize Direct Current (DC) power which can be low current power of 24 or 48 volts dc or complex systems used at exchanges. A telecommunications DC power system consists of a rectifier system, battery system, charge and discharge buses, primary and secondary distribution systems and a voltage conversions system which work together to power a telecommunications network whether the old telephone lines (twisted copper pair), fibre optic, voice over internet protocol or wireless (radio). Rectifiers convert Alternating Current (AC) to DC and are the major supply of power used for a telecommunication system. A rectifier also provides extra power to overcome the internal resistance of a battery before charging commences and it recharges the battery when AC power supply is restored after an interruption. The Battery stores charge to power components especially when there is no AC power and ensures there is constant power to the loads so break in communication occurs. It is constantly connected directly to the discharge bus so no interruption occurs
Electrical engineering in Telecommunications [Insert Name ]1 1[Insert department, University name] [Insert Address Including Country Name] 1[e-mail address contact] Telecommunications refers to the conveying of information across a given medium which can be a wire such as copper wire, coaxial cable, optical fibre or through space (radio) and rely on electricity to work…
Project Introduction : The original building of the Royal Lancaster Infirmary site was built in 1996. Since then there had been plans of further expansion of the hospital services at that location. The proposed expansion of the building did not account for the standby electrical layout.
It encompasses numerous jobs and subject disciplines. Some of the disciplines in the civil engineering field include: transportation, construction, geotechnical, water resources, environmental, and structural. Virtually every community, road, and bridge is maintained, designed, planned by the civil engineering professionals.
Conversely, fabrications sometimes tend to concentrate on the micro scale scheme amalgamation using various equipment like polymers, carbon nanotubes, quantum spots, and nanomembranes. The use of these scale system involves plastic electronics and optoelectronics and advancement of surgical equipment.
I wrecked a few electronic items in the house and got in trouble; however, as I grew older I was a regular hand around the house and I did most of the repairs on electronic stuff. In high school, I researched about engineering and one of my mentors and uncle who works as an electrical engineer encouraged me to major in the sciences.
The essay will focus on the Mazurczyk et al. article on “4 New Ways to Smuggle Messages across the Internet” retrieved from IEEE's Spectrum Magazine website. Therefore, in the essay I will summarize the technological issues addressed in Mazurczyk et al.
Until the invention of the silicon integrated circuit in 1958, however, semiconductor devices existed as discrete devices and circuits were not particularly low in power consumption compared to to-day's circuits, but much lower than vacuum tube circuits. Integrated circuits (ICs) reduced power consumption further, because numerous devices could be placed on one chip, alleviating the interconnect problem and reducing power consumption.
The changeover to the unity magnitude of 120-degree phase angle revolutionized the power generation to three phase connections. As this offered the symmetry in components, it offered the ability to calculate in an unbalanced three-phase power system. The
Plastic deformation is one of the most important techniques of manufacturing in case of metals (Boljanovic, 2004: 13). Metal is usually available in the forms ingots from the furnaces and it has to be converted into desired form or shape in a manufacturing
building extension is to be progressed beyond the feasibility stage, this project proposal has been requested by the Estates and Facilities Department within the Trust to examine the proposals for the upgrading of the existing standby electricity generation provision in order
Since then, numerous development in the field has been realized leading to the production of more sophisticated electrical devices. Until recently, the field has had limited number of subfields.
Currently, the field has received appreciation by various
1 pages (250 words)Essay
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