1. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter Six Sampling and Pulse Modulation

2. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Switching sampler (a) functional (b) waveforms (c) circuit Figure 6.1-1

3. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Spectra for switching sampling (a) message (b) sampled message (c) sampled message Figure 6.1-3

4. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Practical reconstruction filter Figure 6.1-7

5. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Signal reconstruction from sample (a) ZOH (b) FOH Figure 6.1-8

6. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Message spectrum (a) output of RC filter, (b) after sampling Figure 6.1-9

7. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Analog signal and corresponding PAM signal Figure 6.2-1

8. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Flat-top sampling (a) sample & hold circuit (b) waveforms Figure 6.2-2

9. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Types of pulse-time modulation Figure 6.3-1

10. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Conversion of PDM or PPM into PAM Figure 6.3-3