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008			121095s1993 th uu m rtt 00| a1eng d
035			_a.b10406670
099			_aAIT RSPR no. TC-93-09
100	1		_aWaraich, Muhammad Saleem Zahid
245	1	0	_aLocal-loop attenuation compensation by automatic adjustment at the telephone set
260			_aBangkok : _bAsian Institute of Technology, _c1993
300			_a79 leaves + _e1 online resource
490	1		_aResearch studies project report ; _vno. TC-93-09
500			_aA research submitted in partial fulfillment of the requirement for the degree of Master of Engineering, School of Engineering and Technology
502			_aResearch Studies Project Report (M.Eng.) - Asian Institute of Technology, 1993
520			_aAn essential purpose of a telephone connection is to provide a transmission path for between a talker's mouth and the ear of a listener. The effectiveness of speech communication over telephone connection and customer satisfaction is a subjective matter and depends on the loudness loss which is provided. As the total resistance of the local loop varies with subscriber loop length, the loop current and speech signal level (loudness loss) also varies. For case and uniformity of telephone use, it is desirable that speech on all calls arrive at the telephone, about the same volume, regardless of loop length. To achieve this, automatic line compensation circuits arc employed in the telephone set. The primc factor which effects the performance of the telephone set is the balancing network. With the new developments it is possible to implement the adaptive balancing network in the telephone. Therefore the new compensated telephone sets can be used for longer subscriber loop, with better performance.
650		0	_aTelephone _xEquipment and supplies
700	1		_aErke, Tapio J., _eChairperson
700	1		_aKolkki, Raimo, _eExamination committee
700	1		_aTakahashi, Kenzo, _eExamination committee
710	2		_aAsian Development Bank, Japan, _eScholarship donor
810	2		_aAsian Institute of Technology. _tResearch studies project report ; _vno. TC-93-09
856			_3Full-Text _uhttp://203.159.5.9/ait-thesis/detail.php?q=B16092
907			_a.b10406670 _bmnait _cy
902			_a240430
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