Telecommunication Journal, 49. sējums,383-852. lapaInternational Telecommunication Union., 1982 |
No grāmatas satura
1.–3. rezultāts no 82.
617. lappuse
... channel if required owing to common- channel interference or other interference on the previous channel . At the same time , this means that all the connections will be passed on without interruption when subscribers change from one ...
... channel if required owing to common- channel interference or other interference on the previous channel . At the same time , this means that all the connections will be passed on without interruption when subscribers change from one ...
621. lappuse
... channel . Just as in an analog tele- phone network an analog base channel in the 300-3400 Hz band forms the basis for all analog transmission and switching systems and is fundamental to other telecommunication ser- vices , there is a ...
... channel . Just as in an analog tele- phone network an analog base channel in the 300-3400 Hz band forms the basis for all analog transmission and switching systems and is fundamental to other telecommunication ser- vices , there is a ...
682. lappuse
... channel FDM systems are 8 km and for 30 - channel PCM systems , 2-3 km Typical costs for FDM systems are 1500 dollars per channel installed and 1000 per repeater . As for PCMs , they are 750 dollars per channel installed and 300 per ...
... channel FDM systems are 8 km and for 30 - channel PCM systems , 2-3 km Typical costs for FDM systems are 1500 dollars per channel installed and 1000 per repeater . As for PCMs , they are 750 dollars per channel installed and 300 per ...
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THE COMPLETE HANDBOOK | 442 |
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