Altera Stratix IV GX Manual page 20

1–16
Z Plot
EFF
The effective impedance that the Stratix IV GX device encounters is shown in
(Figure
plot, along with the impedance profile of components such as capacitors, VRM, and
BGA via, within the PDN system. The plot is updated automatically when related
parameters are changed.
Figure 1–12. Zeff Plot
As provided in other tabs, you can save and restore the final capacitor count and other
settings for a specific set of assumptions. There is also flexibility to revert back to
default settings.
Power Delivery Network (PDN) Tool for Stratix IV Devices User Guide
Chapter 1: Power Delivery Network (PDN) Tool User Guide for Stratix IV Devices
1–12). Other information, such as Z
Major Tabs of the PDN Tool
and F are also shown in the
TARGET EFFECTIVE
© March 2009 Altera Corporation