Amplitude Modulation
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Top Comments
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Thank you for your video. Now I see difference between AM and FM
3 years ago 3
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simple and quick for essential info :) thnx
All Comments (23)
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What happens when you distort it ?!
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I Like!! Very helpful for understanding frequencies etc.
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cool. thanks.
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Thank you from Egypt
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At 0:43 it's wrong to say that "the wave is being added and subtracted by the 1Hz signal".
Actually, the 1Hz signal is added to the AMPLITUDE of the wave, and not to the wave itself.
It's a big difference: in the AM the two waves share a multiplication relationship rather than an additive one.
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Sadly I do radio for a living, good to see a demonstration like this that will help people to understand. I still look after a quasi-synchronous, multiple site AM radio system.
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thanks~
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man, you are brilliant.....thanks
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Excellent video. I completely understand AM and FM now. Thanks so much
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great stuff man!!!
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Also, you should lock the focus of your camera. I love this kind of elmering. We need more. I want to see some QRP kit demonstration builds. Basic RF electronics, too.
kc7fys 5 years ago
These Videos were posted as a proof of concept for distance learning. Better quality videos are in the works. Better equipment for taking the video and software for editing video is needed. Adding the audio during the editing process would be better then live. These videos were created on a Kodak 4 MP still camera in video mode.
N5IUT
radioteacher 5 years ago
How about showing what SSB looks like?
Maybe tacking on a demonstration of human speech for each of the modulation types?
grendelt 5 years ago
I will be making more videos soon. Some videos using a computer and a waterfall display are planed. I will try to capture many different modes on video. Modes like PSK31, MFSK16, RTTY, CW, HF and VHF Packet, MT63 would make great subjects. Here is a web site that shows pictures of the modes above. You can also visit my teaching site by searching for Radio Teacher Project.
73 N5IUT
radioteacher 5 years ago