Another approach to my troubles with AM demodulation of I/Q signals:
A)
QSD -> I/Q -> Polyphasefilter (Allpassfilter) -> --???--> AM
|
-----------------------------------> --???--> AM
or
B)
QSD -> I/Q -> Polyphasefilter (Allpassfilter) ->
-> sum (adding) -> USB
| independently -> ISB --???--> AM
-> dif (subtract) -> LSB
--???--> is the symbol of analog hardware (not DSP or software)!
73
Chris
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