McGraw-Hill©The McGraw-Hill Companies, Inc., 2003 Chapter 3 Data Transmission.

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Chapter 3

Data Transmission

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-1

A Digital Signal

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Bit Rate and Bit Interval

Figure 3-2

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-3

An Analog Signal

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-4

A Sine Wave

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-5

Amplitude

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-6

Period and Frequency

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-7

Relationship between Different Phases

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-8

Time and Frequency Domains

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-9

A Signal with a DC Component

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-10

Bandwidth

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-11

Line Coding

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-12

Signal Levels versus Data Levels

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-13DC Components

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-14

Lack of Synchronization

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-15

Line Coding Schemes

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-16

Unipolar Encoding

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-17

Types of Polar Encoding

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-18

NRZ Coding

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure3-19

RZ Coding

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-20Manchester and Diff. Manchester Encoding

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-21

Block Coding

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-22

Substitution in Block Coding

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-23Sampling

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-24

Quantizing

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure3.25

Converting to Binary Numbers

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-26

Nyquist Theorem

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-27

Categories of Modulation by a Digital Signal

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-28

ASK

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-29

FSK

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-30

PSK

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-31

Time Domain for 8-QAM Signal

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-32

Multiplexing versus No Multiplexing

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-33

Categories of Multiplexing

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-34

FDM

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-35

FDM Multiplexing Process, Time Domain

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-36

TDM

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-37

Synchronous TDM

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-38

Framing Bits

McGraw-Hill ©The McGraw-Hill Companies, Inc., 2003

Figure 3-39

Asynchronous TDM