W2302EP Datasheet, PDF (24/26 Pages) Keysight Technologies – Quick Start for Signal Integrity

Add a Feed Forward Equalizer (FFE)
For the Feed Forward Equalizer, we define the nth
received sample as r(n), and the Nth tap coefficient as
t(N), then the nth output sample e(n) is:
Delay
Delay
...
x
x
x
x
+
–– Save
the 8 Gbps version of the schematic.
–– From the Simulation-ChanSim palette, select and place
an Rx_Diff component.
–– Add a single-ended eye probe like so:
––
––
–– Edit Rx_Diff1 and Enable the FFE with Initial tap calcula-
tions as Optimized, number of Pre-cursor taps as 1 and
Post cursor taps as 2.
–– File > Save Design As… and enter pcie_ffe.
–– Simulate
24