UM-B-114
DA14531 Development Kit Pro Hardware User Manual
User Manual
Revision 1.4
23-Apr-2020
15 of 82
© 2021 Dialog Semiconductor
4.1.2
RF Section
A printed F-antenna (ANT1) is used as the radiating element for the DA14531 PRO-DB.
The DA14531 RFIO pin is connected to the printed antenna through a RF stripline and a matching
circuit.
To conduct RF measurements, please proceed with the following hardware modifications (
):
●
Remove Z9
●
Assemble Z7 = 10 pF
●
Assemble J3, SMA Female Socket 50
Ω Board Edge (
of Cinch Connectivity
Solutions Johnson)
Figure 8: RF Section of DA14531 PRO-DB
Figure 9: Modifications Required for Performing RF Measurements