Datv over optical link


An intoduction to this can be found here - this includes the first-off ideas and implimentation.

The down converter can be much simplified, whilst at the same time improving the ultimate MER to 30 dB by adopting a R-Pi 'ugly' mode output frequency of 2 MHz and SR of 250 khz, then down-converting to something lower:

simpler down-converter
 
down converter


 


 




***** ongoing *****