User's Manual

Bluegiga Technologies Oy
Preliminary – information subject to change
Page 17 of 27
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Figure 13: Recommended layout for BLE112-A
4.4 BLE112-N Layout Guide
Use 50 ohm transmission line to trace the signal from RF pin to an external RF connector. Figure 14 shows a
layout example for BLE112-N with an external SMA connector.
Boardedge
SMAconnector
50ohmtrace
GNDcontactforthe
RFtrace
GNDstitchingvias
separatedbymax3mm
Figure 14: Example layout for BLE112-N