LISA-U series - System Integration Manual
UBX-13001118 - R17
Advance information
Appendix
Page 185 of 190
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 93 and Figure 94.
33
.2
m
m
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 93: Signals keep-out area on the top layer of the application board, below LISA-U1 series modules
33
.2
m
m
5.25 mm
22.4 mm
5.3 mm 5.25 mm
5.3 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 94: Signals keep-out areas on the top layer of the application board, below LISA-U2 series modules
