Product overview
Description
The TDA7479 recovers the additional inaudible RDS information which is transmitted by FM radio broadcasting stations and operates in accordance with the EBU (European Broadcasting Union) specifications.
The device is made up of two sections: a cascaded antialiasing + switched capacitors 8th bandpass filter for precise RDS band selection and a demodulating section that performs the extraction od RDS data stream (RDDA) and clock (RDCL), to be further processed by a suitable RDS decoder.
Outputs for RDS signal quality and ARI indication are also present.
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All features
- Low noise CMOS technology
- 4.332 MHz crystal oscillator (8.664 and 17.328 MHz optional)
- Very high RDS demodulation quality with improved digital signal processing
- FIlter adjustment free and without external components
- High performance, 57 kHz bandpass filter (8th order)
- ARI (SK indication) and RDS signal quality output
- Low radiation
- Purely digitaL RDS Demodulation without external components
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The STMicroelectronics team - TDA7479
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