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book Electronic Communication Systems 2nd Edition by Roy Blake cover

Electronic Communication Systems 2nd Edition by Roy Blake

Edition 2ISBN: 978-0766826847
book Electronic Communication Systems 2nd Edition by Roy Blake cover

Electronic Communication Systems 2nd Edition by Roy Blake

Edition 2ISBN: 978-0766826847
Exercise 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
Explanation
Verified
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(a)
When voice call is being made simult...

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Electronic Communication Systems 2nd Edition by Roy Blake
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