Liquid Instruments Application Engineers, Paul Cracknell and Max Fengyuan Deng, produced this educational video on demodulation of a high frequency carrier wave and the relevant signal. It includes experimental setup and a brief discussion of the math involved.
By using Lock-in Amplifier, Arbitrary Waveform Generator, Oscilloscope, and filter bundle, all available in Moku:Lab, Max and Paul provide a solid understanding of this fundamental and important topic.
Moku:Lab Lock-In Amplifier explained; part 1
Part two will be coming soon. You’ll find it here and on YouTube: Moku:Lab channel.
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