270 likes | 443 Views
2000 Bijan Mobasseri. 2. Background. For the longest time it was taught that analog phone lines are bandlimited to 4 KHzNyquist's first criterion then states that maximum theoretical data rate on such lines is 8000 pulses/sec.So what happened?. 2000 Bijan Mobasseri. 3. Historical trends. Modems st
E N D