Data Sheets and Programming guides for Silicon Labs Si47xx and Si48xx Series FM Radio Receivers 
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If you intend to build a FM Radio with with Si4736, Si4835 or similar Receiver Chips (Si4732, Si4825, Si4703, Si4730, Si4744 etc) you will need the data sheets and programming guides
Here they are in one location
Si47xx Reference Documents
Si4732-A10 FM/AM/SW/LW/RBS Receiver Project  
Decoding Chip Suffix for Si47xx Broadcast Receivers  
AN332 – Si47XX PROGRAMMING GUIDES  
AN383 – Si47XX ANTENNA, SCHEMATIC, LAYOUT, AND DESIGN GUIDELINES  
Si4732-a10
Broadcast AM/fM/sW/lW/rDS Radio Receiver Data Sheet  
Si4840/44-a10
BROADCAST ANALOG TUNING DIGITAL DISPLAY AM/fM/sW
RADIO RECEIVER Data Sheet  
Si4730/31/34/35-d60
BROADCAST AM/fM/sW/lW RADIO RECEIVER Data Sheet  
Si4734/35
Broadcast AM/fM/sW/lW Radio Receiver Data Sheet  
Si4734/35-C40
BROADCAST AM/fM RADIO RECEIVER Data Sheet  
Using RDS/rBDS with the Si4701/03  
Si4700/01/02/03 Programming Guide  
Si48xx Reference Documents
AN738 – Si4825/36-a ANTENNA, SCHEMATIC, LAYOUT, AND
DESIGN GUIDELINES  
AN610 – Si48XX ATDD PROGRAMMING GUIDE  
AN400 – Si474X ANTENNA, SCHEMATIC, LAYOUT, AND DESIGN GUIDELINES  
Si4844-b20 BROADCAST ANALOG TUNING DIGITAL DISPLAY
AM/fM/sW RADIO RECEIVER  
AN555 – Si483X-b/si4820/24 ANTENNA, SCHEMATIC, LAYOUT,
AND DESIGN GUIDELINES  
AN602 – Si4822/26/27/40/44 ANTENNA, SCHEMATIC, LAYOUT,
AND DESIGN GUIDELINESS  
AN738 – Si4825/36-a ANTENNA, SCHEMATIC, LAYOUT, AND
DESIGN GUIDELINES  
Si4825-a10
BROADCAST MECHANICAL TUNING AM/fM/sW RADIO RECEIVER Datasheet  
Data Sheets and Programming guides for Silicon Labs Si47xx and Si48xx Series FM Radio Receivers 
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