IT 327 - Schweber Chap 7 1
Thought of the Day
Getting our hearts right is much more important than getting the answers right.
- Alan L. WilkinsAcademic V.P., BYU
Dec 5, 1995 Devotional
IT 327 - Schweber Chap 7 2
Schweber, Chap 7:Wire and Cable Media
IT 327 - Schweber Chap 7 3
Wire and Cable Model Parameters
IT 327 - Schweber Chap 7 4
Single-Ended or Unbalanced Lines
IT 327 - Schweber Chap 7 5
Line Drivers
IT 327 - Schweber Chap 7 6
Line Drivers
IT 327 - Schweber Chap 7 7
Differential or Balanced Lines
IT 327 - Schweber Chap 7 8
Differential or Balanced Lines & CMRR
CMRR = Common Mode Rejection RatioTypically 60 β 120 dB (voltage)
IT 327 - Schweber Chap 7 9
Regenerating Receivers
IT 327 - Schweber Chap 7 10
Regenerating Receivers
IT 327 - Schweber Chap 7 11
Coaxial Cable & Velocity of Propagation
Characteristic
IT 327 - Schweber Chap 7 12
Characteristic Z (Zo)
π π=β π + π2 Ο π LπΊ+ π2 Ο π C
π πβ β πΏπΆAssume: R << XL, and G << XC:
π πβ β π 2Ο π Lπ2Ο π C
IT 327 - Schweber Chap 7 13
Reflections on Reflections