Layer 4 Between AC Capacitors and Baluns

UltraScale Architecture PCB Design User Guide (UG583)

Document ID
UG583
Release Date
2023-11-14
Revision
1.27 English
Figure 3-30:      Layer 4 Between AC Capacitors and Baluns

X-Ref Target - Figure 3-30

X22708-Layer_4_Between_AC_Caps_and_Baluns.jpg

A neck down trace of 52 mil length is required between the 0201 capacitors and Anaren 0404 balun when routing on layer 4. The neck down trace to the balun is the same for layer 2 and layer 4 so that the same size RF shield can be used.