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June 11th 06, 10:16 PM
posted to rec.radio.cb
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DSB SC Mode
On a sunny day (11 Jun 2006 13:35:21 -0700) it happened "Telstar Electronics"
wrote in .com: Not sure what you're talking about. When I say DSB... I'm referring to what others call the AM mode. www.telstar-electronics.com DSB-SC (as you originally referred to) stands for: Double Sideband Suppressed Carrier. So, if the carrier is surpressed, then you have only 2 sidebands if a signal is present (single tone modulation), nothing if no modulation is present. http://www.ece.drexel.edu/courses/ECE-S306/lab3.pdf Look at figure 4, for a single tone modulating audio signal. You will notice it is quite different from AM! Normal AM is also DSB, but the carrier is not surpressed. Better to say AM if you mean AM, DSB is often used for DSB-SC. |
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