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Lesson 21: Digital Modulation

Lesson 23: Digital Modulation Objectives: (a) Quantitatively describe the relationship between a bit and a symbol, and the bit rate and the symbol rate (baud). (b) Describe how Digital information is conveyed using various Digital Modulation techniques (ASK or OOK, FSK, PSK and QAM) and recognize their waveforms, and constellations. (c) Calculate the bandwidth of an ASK, OOK, FSK, PSK, or QAM signal. (d) Using a constellation diagram analyze an M-ary PSK or QAM signal to determine its symbols and bits per symbols. (e) Discuss the effect of noise on M-ary PSK and how Quadrature Amplitude Modulation (QAM) helps overcome these detrimental effects.

Lesson 21: Digital Modulation Objectives: (a) Quantitatively describe the relationship between a bit and a symbol, and the bit rate and the symbol rate (baud). (b) Describe how digital information is conveyed using various digital modulation techniques (ASK or OOK, FSK, PSK and QAM) and recognize their waveforms, and constellations.

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