
4–56
Altera Corporation
Stratix GX Device Handbook, Volume 3
February 2005
Transmission Lines
Figure 4–57. Fly-By Termination Resistor Placement Technique
The simulation setup for fly-by termination is shown in
Figure 4–58. The
upper circuit in this diagram is for fly-by termination resistor placement,
and the lower is for normal placement.
Figure 4–59 shows some
simulation results that show how the fly-by termination technique helps
improve signal integrity.
Figure 4–58. ADS Simulation Setup for Normal Versus Fly-By Termination
Zo
Stratix GX
Fly-by
Termination
Transmission
Line
Zs
Source
Rt
X