SI47XX-EVB Datasheet, PDF (21/164 Pages) Silicon Laboratories – Thank you for purchasing the Silicon Laboratories

2.2.4. Si4749 Daughtercard
Si47xx-EVB
Figure 14. Si4749 Daughtercard Connectors and Devices
Daughtercard connectors and components:
J1 SMA connector for pass-thru FM connection
J2 SMA connector for FM antenna connection
C2 Vdd bypass capacitor
L1 FM matching component
U2 Si4749 RDS Receiver
The daughtercard implements the Si4749 RDS receive solution. The SMA connector, J2, allows the user to attach
a whip antenna for FM reception or a signal generator for FM test circuit. A pass-thru connection, J1, is also
present to provide the FM signal to other FM receivers if necessary.
Rev. 0.8
21