8/20/2019 Analógico a Digital

1/27

Figure 5-15

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

Analog to Digital Encoding

[Foro02]: B. A. Forouzan, “Transmisión de Datos y Redes de Comunicaciones”, McGrawHill, 2002. (Capítulo 5).

8/20/2019 Analógico a Digital

2/27

Figure 5-16

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

PAM

8/20/2019 Analógico a Digital

3/27

Figure 5-17

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

Quantized PAM Signal

8/20/2019 Analógico a Digital

4/27

Figure 5-18

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

Quantizing UsingSign and Magnitude

8/20/2019 Analógico a Digital

5/27

Figure 5-19

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

PCM

8/20/2019 Analógico a Digital

6/27

Figure 5-20

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

From Analog to PCM

8/20/2019 Analógico a Digital

7/27

Figure 5-20-continued

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

From Analog to PCM

8/20/2019 Analógico a Digital

8/27

Figure 5-20-continued

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

From Analog to PCM

8/20/2019 Analógico a Digital

9/27

Figure 5-20-continued

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

From Analog to PCM

8/20/2019 Analógico a Digital

10/27

Figure 5-21

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

Nyquist Theorem

8/20/2019 Analógico a Digital

11/27

Figure 5-22

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

Digital to Analog Encoding

8/20/2019 Analógico a Digital

12/27

Figure 5-23

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

8/20/2019 Analógico a Digital

13/27

Figure 5-24

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

ASK

8/20/2019 Analógico a Digital

14/27

Figure 5-25

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

Bandwidth for ASK

8/20/2019 Analógico a Digital

15/27

FSKFigure 5-27

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

8/20/2019 Analógico a Digital

16/27

Bandwidth for FSKFigure 5-28

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

8/20/2019 Analógico a Digital

17/27

PSKFigure 5-29

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

8/20/2019 Analógico a Digital

18/27

PSKConstellation

Figure 5-30

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

8/20/2019 Analógico a Digital

19/27

4-PSKFigure 5-31

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

8/20/2019 Analógico a Digital

20/27

4-PSKCharacteristics

Figure 5-32

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

8/20/2019 Analógico a Digital

21/27

8-PSK

Characteristics

Figure 5-33

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

8/20/2019 Analógico a Digital

22/27

PSK

Bandwidth

Figure 5-34

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

8/20/2019 Analógico a Digital

23/27

4-QAM and 8-QAM

Constellations

Figure 5-35

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

8/20/2019 Analógico a Digital

24/27

8-QAM SignalFigure 5-36

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

8/20/2019 Analógico a Digital

25/27

16-QAMConstellation

Figure 5-37

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

8/20/2019 Analógico a Digital

26/27

Bit Rate and Baud Rate

Figure 5-38

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

8/20/2019 Analógico a Digital

27/27

Figure 5-38-continued

WCB/McGraw-Hill © The McGraw-Hill Companies, Inc., 1998

Bit Rate and Baud Rate