Si4840-DEMO Silicon Labs, Si4840-DEMO Datasheet - Page 4
Si4840-DEMO
Manufacturer Part Number
Si4840-DEMO
Description
RF Development Tools Si4840 Demo and Eval Board
Manufacturer
Silicon Labs
Datasheet
1.SI4840-DEMO.pdf
(22 pages)
Specifications of Si4840-DEMO
Rohs
yes
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Si4840/44-DEMO
S12: FM antenna selection
1-2 BNC (J1)
2-3 HP ANT (J5)
Radio Band selection:
The Demo board provides 2 methods to select 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:
2-3: Use slide switch to select band
1-2: Use push button to select band
Radio Band Property setting:
S13:
1-2: Use the keypad to set the band property via MCU
2-3: Use the tuner default band setting values
4
1
3
2
1
3
2
3
1
2
Rev 0.1
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