Si4712-B30 - Silicon Laboratories

Si4712-B30 FM RADIO TRANSMITTER

The Si4712/13-B30 integrates the complete transmit functions for standards-compliant unlicensed FM broadcast stereo transmission. The chip also allows integrated receive power scanning to identify low signal power FM channels. Users must comply with local regulations on radio frequency (RF) transmission. Functional Block Diagram Si4712/13 Ordering Informa.

Features

 Integrated receive power measurement
 Worldwide FM band support (76
  –108 MHz)
 Requires only two external components
 Frequency synthesizer with integrated VCO
 Digital stereo modulator
 Programmable pre-emphasis
 Analog/digital audio interface
 Audio silence detector
 Programmable reference clock
 RDS/RBDS encoder (Si4713 only)
 PCB loop and stub antenna support with self-calibrated capacitor tuning
 Programmable transmit level
 Audio dynamic range control
 Advanced modulation control
 2.7 to 5.5 V supply voltage
 Integrated LDO regulator
 3 x 3 x 0.55 mm 20-pin QFN
Pb-fre.