Installation Instructions

LISA-U2 series - System Integration Manual
UBX-13001118 - R19 Early Production Information Appendix
Page 170 of 175
A.3.3 Layout comparison LISA-U1 series vs. LISA-U2 series
Additional signals keep-out area must be implemented on the top layer of the application board, below LISA-U2
modules, due to GND opening on module bottom layer, as described in Figure 79 and Figure 80.
33.2 mm
11.85 mm
22.4 mm
5.3 mm 5.25 mm
1.4 mm
1.0 mm
PIN 1
LISA-U1 bottom side
(through module view)
Exposed GND on LISA-U1 module bottom layer
Signals keep-out area on application board
Figure 79: Signals keep-out area on the top layer of the application board, below LISA-U1 series modules
33.2 mm
5.25 mm
22.4 mm
5.3 mm 5.25 mm5.3 mm
1.3 mm
1.4 mm
1.0 mm
PIN 1
LISA-U2 bottom side
(through module view)
Exposed GND on LISA-U2 module bottom layer
Signals keep-out areas on application board
Figure 80: Signals keep-out areas on the top layer of the application board, below LISA-U2 series modules