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Author Topic: Transmitting FM by using a SSB transmitter ?!?!  (Read 10291 times)
WA2ISE
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Posts: 1290




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« Reply #15 on: January 26, 2016, 06:53:05 AM »

As I mentioned in my previous post, I don't think you'd have enough bandwidth to transmit an FM signal that would carry your voice in an intelligible manner.  You'd be too muffled. 
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G3RZP
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« Reply #16 on: January 26, 2016, 03:29:27 PM »

I suspect that with a complicated enough set of Gilbert transforms, it might be possible. Way back in 1963 or so, there was a very mathematical paper published in Russian on SSB-FM, where the sidebands were FM but only on one side of the carrier.  It wasn't practical then with analogue technology, but I suspect with modern DSP techniques, it could be: the question is whether the math allows a constant envelope signal, and I can't remember if it did.
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