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In what physical context do we multiply signals together instead of adding them?
by CGamesPlay 9y ago
In what physical context do we multiply signals together instead of adding them?
- lowleveldrone 9y agoIn a radio, this is done by a mixer circuit, for instance https://en.wikipedia.org/wiki/Gilbert_cell https://en.wikipedia.org/wiki/Gilbert_cell
- gugagore 9y agoYou know AM radio? That's Amplitude Modulation. Modulation here means "multiply your audio signal by a carrier signal".