SI4844-B-DEMO Datasheet, PDF (4/18 Pages) Silicon Laboratories – Si4844-B DEMO BOARD USERS GUIDE

Si4844-B-DEMO
Power:
BAT1: 2 cells AAA battery holder
Audio Connectors:
J5: Stereo audio headphone output
Antenna Selections:
AM antenna: Ferrite stick antenna for AM
J6: SMA connector for AM conductive test
S11: AM antenna selector
1-2: SMA for AM Conductive Test (J6)
2-3: AM Ferrite Antenna
123
J1: BNC connector for FM/ SW conductive test or FM whip antenna
S12: FM antenna selector
1
1-2: FM HP ANT (J5)
2
2-3: FM BNC (J1)
3
Radio Band Selection:
The demo board provides two methods for selecting the radio band: one is to use the slide switch, S2; the other is
to use the POWER/BAND push button. S14 determines which method is in use.
S14:
3
2-3: Use slide switch to select band
2
1-2: Use push button to select band
1
4
Rev. 0.1