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Digital to analogue conversion

Digital to analogue conversion. 1 DIGITAL-TO-ANALOG CONVERSION. Digital-to-analog conversion is the process of changing one of the characteristics (A, f and ? ) of an analog signal based on the information in digital data. . Figure Types of digital-to-analog conversion.

748 views • 38 slides

William Stallings Data and Computer Communications

William Stallings Data and Computer Communications. Chapter 8 Multiplexing. Multiplexing. Frequency Division Multiplexing. FDM Useful bandwidth of medium exceeds required bandwidth of channel Each signal is modulated to a different carrier frequency

464 views • 38 slides

William Stallings Data and Computer Communications

William Stallings Data and Computer Communications. Chapter 8 Multiplexing. Multiplexing. Frequency Division Multiplexing. FDM Useful bandwidth of medium exceeds required bandwidth of channel Each signal is modulated to a different carrier frequency

498 views • 38 slides

Networking Protocols and the OSI Model

Networking Protocols and the OSI Model. OSI Model Overview. The Open Systems Interconnection (OSI) reference model is an industry standard framework that is used to divide the functions of networking into seven distinct layers.

335 views • 31 slides

Data and Computer Communications

357 views • 28 slides

MAN/WAN Technologies

MAN/WAN Technologies. MAN/WAN TECHNOLOGIES. MAN/WAN Technologies. Technology Options. Dial-up Leased Line ISDN X.25 Frame Relay ATM DSL Cable Modem Microwave Point-to-Point Link VSAT GPoN Metro Ethernet. MAN/WAN Technologies. Dial-up. Uses POTS (Plain Old Telephone System)

438 views • 21 slides

X.25

WAN Technologies. X.25. Packet switched Network consisting of X.25 switches. X.25 is a connection oriented protocol (Virtual Circuits). End nodes are identified by an X .25 address. Typical bandwidth offered is 2.4/9.6 kbps. IP networks interface with X .25 through IP- X.25 routers.

533 views • 12 slides