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RDS

Christoph TackChristoph Tack wrote 10/06/2019 at 07:48 • 2 min read • Like

After evaluating the RDA5807M and the SI4703, I found out that it's hard to get good quality RDS-reception.  I only tested on a breadboard.  The air wire connections aren't helping to get good reception quality.

The used development platform has an influence as well.  The ProTrinket 3V, powered by the FTDI has a average 5dB better RSSI than the Nucleo STM32F103.  On the Nucleo, it wasn't possible to receive four consecutive blocks without error.  The SI4703 had to be set to RDS-debug mode to get at least some RDS-info.

RDA5807M

Si4703

Si4749

Si4731-D60

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