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Electronic Communication Systems 2nd Edition by Roy Blake
النسخة 2الرقم المعياري الدولي: 978-0766826847Electronic Communication Systems 2nd Edition by Roy Blake
النسخة 2الرقم المعياري الدولي: 978-0766826847 تمرين 56
Compare the data rate available with basic-rate ISDN and that available with the ADSL system described in the previous problem. By what factor does ADSL exceed basic-rate ISDN in each direction:
(a) if a voice call is being made simultaneously with data
(b) if no voice call is being made so that the whole available ISDN rate can be used for data
(a) if a voice call is being made simultaneously with data
(b) if no voice call is being made so that the whole available ISDN rate can be used for data
التوضيح
موثّق
موثّق
(a)
When voice call is being made simult...
Electronic Communication Systems 2nd Edition by Roy Blake
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