Silicon Laboratories broadcast solutions are highly integrated, single-chip ICs for multi-band audio receivers, satellite set-top box and satellite radio applications. Leveraging a track record of innovation in RF technology, our broadcast products radically reduce board space while providing industry leading performance and feature sets.
Broadcast Audio Solutions
High-performance broadcast audio solutions
 Si470x FM radio receivers
Si471x FM radio transmitters
Si472x FM radio transceivers
Si473x Multi-band radio receivers (AM/FM, shortwave, longwave, weather band)
Si4707 Weather band radio receiver with SAME
Si4749/06 Enhanced RDS data receivers
Satellite Radio Tuners
Programmable satellite radio tuners
Si2213/14 Complete front-end for satellite radio receivers
| Satellite Set-Top Box Receivers
RF front-end for direct broadcast satellite (DBS)
Si2107 Satellite receiver for DVB-S/DSS
Si2108 With step-up dc-dc controller
Si2109 With on-chip blindscan accelerator
Si2110 With LNB step-up dc-dc controller and on-chip blindscan accelerator
Digital Video Demodulators
High performance digital video demodulators
Si2161 DVB-T demodulator
Si2165 Multi-standard DVB-T and DVB-C demodulator
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Featured Products:
Si4736/37/38/39 AM/FM/Weather Band Radio Receivers
The Si4736/37/38/39 are the industry's first fully integrated, 100% CMOS AM/FM/weather band radio receiver ICs. Offering unmatched integration and PCB space savings, the Si4736/37/38/39 requires only two external components and less than 15 mm2 of board area, excluding the antenna inputs. The Si4736/37/38/39 AM/FM/weather band radio provides the space savings and low power consumption necessary for portable devices while delivering the high performance and design simplicity desired for all AM/FM/weather band solutions. The Si4707 offers dedicated weather band audio plus Specific Area Message Encoding (SAME). The solution is layout compatible to the Si47xx family and requires only too external components.
Si473x Documentation:
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Si4734/35 AM/FM/SW/LW Radio Receivers
The Si4734/35 is the industry's first fully integrated, 100% CMOS AM/FM/SW/LW radio receiver IC. Offering unmatched integration and PCB space savings, the Si4734/35 requires minimal external components and less than 20 mm2 of board area, excluding the antenna inputs. The Si4734/35 radio provides the space savings and low power consumption necessary for portable devices while delivering the high performance and design simplicity desired for all AM/FM/SW/LW solutions.
Si473x Documentation:
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Si472x FM Radio Transceivers
The Si4720/21 is the first single-chip FM radio transceiver. The proven and patented digital architecture of the Si4720/21 combines the functionality of the Si470x FM radio receiver with the Si471x FM transmitter, offering full FM receive and transmit capabilities in a single, ultra-small 3x3 x 0.55 mm QFN package. The device leverages Silicon Labs' highly successful and proven FM technology, and offers unmatched integration and performance allowing FM receive and transmit to be added to any portable device by using a single chip. As with the Si470x and Si471x products, the Si4720/21 offers industry leading size, performance, low power consumption and ease of use.
Si472x Documentation:
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Si473x AM/FM Radio Receivers
The Si4730/31 is the industry's first fully integrated, 100% CMOS AM/FM radio receiver IC. Offering unmatched integration and PCB space savings, the Si4730/31 only requires two external components and less than 15 mm² of board area excluding the antenna inputs. The Si4730/31 AM/FM radio provides the space savings and low power consumption necessary for portable devices while delivering high performance and design simplicity desired for all AM/FM solutions.
Si473x Documentation:
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Si471x FM Radio Transmitters
The Si4710/11 is the industry's first 100% CMOS FM transmitter single-chip IC. The device leverages Silicon Labs’ highly successful and proven Si4700/01 FM receiver, and offers unmatched integration and performance allowing FM transmit to be added to any portable device by using a single chip. As with the Si4700/01, the Si4710/11 offers industry leading size, performance, low power consumption and ease of use.
Si471x Documentation:
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Si470x FM Radio Receivers
The Si470x FM radio tuner IC family is the industry's first to leverage digital integration and 100% CMOS process technology, resulting in a completely integrated solution that requires only one external supply bypass capacitor and less than 10 mm² of board space. Offering unmatched integration, the Si470x family allows FM radio reception to be added to a variety of portable devices where board space, performance, low power consumption and ease of use are essential.
Si470x Documentation:
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Satellite Set-Top Box Receivers
The product family is the industry’s first fully-integrated single-chip satellite RF front-end for direct broadcast satellite (DBS). Offering the highest performance, smallest size and easiest-to-use receiver solution for DBS, the Si21xx devices are ideal for all free-to-air (FTA) and pay-TV DBS equipment including satellite set-top boxes, PC cards for satellite TV, DBS receivers for automotive or avionic use, DVD recorders and digital TVs with integrated satellite receivers.
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