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15:37
2014/06/03


Mirko

xxx

posts 1

Hi everyone

I've just a little doubt about input data stream for rds spy: is it possible to use input mode
Sound Card -> Data and Clock to input into rds spy an unmodulated bit stream of encoded rds groups via a SPI port? SPI has data lines and a clock line.
"Data and Clock" input mode requires anyway a modulated on 57kHz data stream or accept "pure digital" data?

Thanks in advice.

18:57
2014/06/03


admin

posts 72

SPI bus uses clock frequency of up to 10 MHz, too high for any sound card. The Data and Clock input mode accepts RDS signal in raw digital form, that means a continuous bitstream at the basic RDS data rate of 1187.5 bits per second.

08:09
2014/06/04


Mirko

Thank you admin.Smile

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RDS SPY via SPI port

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