FM Si471x Transmitters Overview

Transcription

1 FM Si471x Transmitters Overview

2 Silicon Labs Broadcast Audio Products Highly successful product family Highest integration, smallest footprint Broad portfolio of granted and pending domestic and international patents International presence and world-class local technical support in all major markets Rapidly expanding portfolio of audio solutions 2

3 Silicon Labs Offers Best Performance Most adjustable parameters Fine-tuned FM TX output power Audio compression, limiter, RPS Superior audio features Short embedded antenna for TX/RX High performance seek, adjustable blend Market leader in RDS Advanced on-chip processing increases range and accuracy of received RDS data First to market with RDS TX Best receiver interference performance Best selectivity and sensitivity in the presence of adjacent, alternate and multiple interferers 3

4 Si4710/11 FM Radio Transmitter FM stereo transmitter Low-cost wireless link for portable audio devices Supports worldwide FM band 76 to 108 MHz Si4711 supports RDS/RBDS Can send artist name and song titles to any RDS/RBDS radio Digital architecture for superior sound CMOS technology enables feature rich solution 3x3x0.55 mm 20 pin QFN package Layout compatible with 3x3 family 4

5 Si4710/11 Digital Architecture Digital algorithms and dynamic range compression improve sound quality Only two external components and board area of 15 mm2 Antenna auto-calibration enables embedded antennas, flat output power across the FM band 5

6 Programmable Output Voltage Maximizes transmit voltage to regulations Precise output voltage control Supports almost any integrated antenna PCB trace antennas Wire antennas Loop antennas Headphone antennas Charger cable antennas PCB trace antenna 6

7 RDS Advertising Your Company Brand RDS worldwide adoption increasing FM with RDS MP3 experience Standard in car radios RDS transmitter allows any textbased data to be displayed on target FM RDS receiver RDS receiver enables potential revenue after point of sale for service providers and MP3 providers FM Modulated Signal w/ RDS Deviation (khz) L+R Stereo Pilot L-R L-R Frequency (khz) RDS/ RBDS 7 Si4721 transceiver offers both FM RDS receive and transmit features

8 Si4712/13 FM Radio Transmitter w/ RPS First FM stereo transmitter with receive power scan (RPS) All the FM TX features of the Si4710/11 + RPS Integrated receiver to identify open channels RDS/RBDS encoder (Si4713) Digital architecture for superior sound CMOS technology enables feature rich solution 3x3x0.55 mm 20-pin QFN package Layout compatible with Si47XX 3x3 family 8

9 Si4712/13 Digital Architecture Same superior features and performance as Si4710/11 Integrated receive power scan (RPS) Same antenna used for transmit and RPS 9

10 Improved User Experience with RPS RPS automatically finds best channel to transmit on Removes need for tune and listen exercise 10

11 FM Transceiver w/ RDS (Si4720/21) World s first and smallest portable FM transceiver Builds on patent family with unique architecture, implementations and applications Support for embedded antenna, I2S digital audio First to support full portable RDS transmit and receive 11

12 Si4720/21 FM Radio Transceiver FM stereo radio receiver + transmitter (76 to 108 MHz) Complete FM receiver + FM transmitter Fully integrated RDS decoder (Rx) + encoder (Tx) Proven, digital low-if architecture Market-leading Rx performance and adjustability Unmatched Tx performance and adjustability Optimized for use with standalone Bluetooth IC s Ultra-small, 3x3x0.55 mm 20pin QFN 15 mm 2 board area requirement Layout compatible with SiLabs AM/FM, FM-only, Tx-only, Tx w/ RPS 12

13 Product Selector Guide Part RDS RPS FM TX AM SW WB SAME PCM Si4702 Si4703 Si4704 Si4705 Si Si4707 Si4710 Si4711 Si4712 Si4713 Si4720 Si4721 Si4730 Si4731 Si4734 Si4735 Si4736 Si4737 Si4738 Si

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