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Old October 19th 08, 09:58 PM posted to rec.radio.shortwave
Frank Dresser Frank Dresser is offline
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First recorded activity by RadioBanter: Jul 2006
Posts: 156
Default ibiquity AM hybrid digital radio provides little consumer benefits


"Telamon" wrote in message
...

I haven't kept up with developments. How is this blending accomplished?
Maybe you could point me toward someone's FM demodulator chip.


I believe the troublesome L-R signal is AGC controlled. Strong signal
reception gets full L-R which gets reduced with decreasing signal strength,
while the L+R signal remains at full strength with all signal levels.

Anyway, here's one chip:

http://eshop.engineering.uiowa.edu/N...9/DS007973.pdf


Frank Dresser