Telecommunication Journal, 35. sējums,289-692. lapaInternational Telecommunication Union., 1968 |
No grāmatas satura
1.–3. rezultāts no 78.
367. lappuse
... carrier . This sub - carrier is in turn amplitude- modulated with sidebands of 1600 Hz above and below the sub - carrier by the video information . The receiving equipment consists basically of the following : Antenna At Toronto , use ...
... carrier . This sub - carrier is in turn amplitude- modulated with sidebands of 1600 Hz above and below the sub - carrier by the video information . The receiving equipment consists basically of the following : Antenna At Toronto , use ...
465. lappuse
... carrier systems has led to considerable improvement in the telephone service . Nevertheless , line characteristics do not always allow for the general use of 12 - channel carriers and the Administration has therefore concentrated on ...
... carrier systems has led to considerable improvement in the telephone service . Nevertheless , line characteristics do not always allow for the general use of 12 - channel carriers and the Administration has therefore concentrated on ...
8. lappuse
... carrier systems to two - wire Carrier equipment for open - wire circuits 7TR 001 Carrier equipment for up to 10 stackable channels 7TR 003 1+ 3 - channel system 7TR 012 12 - channel system 7TR 011 12 - channel repeater 12 ... 160 kHz 4 ...
... carrier systems to two - wire Carrier equipment for open - wire circuits 7TR 001 Carrier equipment for up to 10 stackable channels 7TR 003 1+ 3 - channel system 7TR 012 12 - channel system 7TR 011 12 - channel repeater 12 ... 160 kHz 4 ...
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