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Exponential CW Modulation

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Presentation on theme: "Exponential CW Modulation"— Presentation transcript:

1 Exponential CW Modulation
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter Five Exponential CW Modulation

2 Rotating phasor representation of exponential modulation
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Rotating phasor representation of exponential modulation Figure 5.1-1

3 Illustrative AM, FM, and PM waveforms
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Illustrative AM, FM, and PM waveforms Figure 5.1-2

4 NBFM with tone modulation (a) Line spectrum; (b) Phasor diagram
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. NBFM with tone modulation (a) Line spectrum; (b) Phasor diagram Figure 5.1-4

5 Copyright © The McGraw-Hill Companies, Inc
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Tone-modulated line spectra (a) FM or PM with ƒm fixed; (b) FM with Amƒ fixed Figure 5.1-7

6 FM phasor diagram for arbitrary 
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. FM phasor diagram for arbitrary  Figure 5.1-8

7 Copyright © The McGraw-Hill Companies, Inc
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Nonlinear processing circuits (a) Amplitude limiter; (b) frequency multiplier Figure 5.2-6

8 Indirect FM transmitter
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Indirect FM transmitter Figure 5.3-5

9 Phasor diagram of interfering carriers
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Phasor diagram of interfering carriers Figure 5.4-1

10 FM Capture Effect Figure 5.4-6
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. FM Capture Effect Figure 5.4-6


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