27 BUILT IN MICROWAVE

06.09.2011., utorak

MICROWAVE WIRELESS - MICROWAVE


Microwave Wireless - Panasonic Microwave Nn Sn667b - Under Cabinet Microwave Installation.



Microwave Wireless





microwave wireless






    microwave
  • kitchen appliance that cooks food by passing an electromagnetic wave through it; heat results from the absorption of energy by the water molecules in the food

  • An electromagnetic wave with a wavelength in the range 0.001–0.3 m, shorter than that of a normal radio wave but longer than those of infrared radiation. Microwaves are used in radar, in communications, and for heating in microwave ovens and in various industrial processes

  • a short electromagnetic wave (longer than infrared but shorter than radio waves); used for radar and microwave ovens and for transmitting telephone, facsimile, video and data

  • cook or heat in a microwave oven; "You can microwave the leftovers"





    wireless
  • Lacking or not requiring wires

  • transmission by radio waves

  • radio: medium for communication

  • having no wires; "a wireless security system"











microwave wireless - RF Microwave




RF Microwave Wireless Systems


RF Microwave Wireless Systems



A comprehensive introduction to the hardware, parameters, and architectures of RF/microwave wireless systems

As the basis for some of the hottest technologies of the new millennium, radio frequency (RF) and microwave wireless systems rapidly propel us toward a future in which the transmission of voice, video, and data communications will be possible anywhere in the world through the use of simple, handheld devices.

This book provides scientists and engineers with clear, thorough, up-to-date explanations of all aspects of RF and microwave wireless systems, including general hardware components, system parameters, and architectures. Renowned authority Kai Chang covers both communication and radar/sensor systems and extends the discussion to other intriguing topics, from global positioning systems (GPS) to smart highways and smart automobiles. With an emphasis on basic operating principles, Dr. Chang reviews waves and transmission lines, examines modulation and demodulation and multiple-access techniques, and helps bridge the gap between RF/microwave engineering and communication system design. Ample practical examples of components and system configurations and nearly 300 illustrations and photographs complete this timely and indispensable resource.
An Instructor's Manual presenting detailed solutions to all the problems in the book is available from the Wiley editorial department










77% (8)





tahir mohsan wireless microwave




tahir mohsan wireless microwave





Microwave links provide high speed, private, direct Ethernet links between two or more sites and thus provide high bandwidth at much lower costs than Leased Lines.

Use as a Leased Line Replacement
The most common business use of wireless microwave links, are to use as a replacement for a Leased Line or a 'point-to-point' link. Organisations with two or more sites need reliable, high-speed connections between their sites to enable them to share voice & data services between the sites. This is a Wide Area Network (WAN) requirement and Microwave links provide a cost effective WAN alternative solution to Leased Lines. The same set-up can also be used to link a business to a Supanet linked site to gain Dedicated Internet Access.

A Microwave link can connect two sites that are within range and have a line of sight. If the two locations are within several kilometres of each other and the path is not too obstructed with hills or tall trees, then a high performance microwave wireless link can usually be connected between them. Using suitable frequencies, it may be possible to link sites with no clear 'line of site' at lower bandwidths.

Microwave links are used by all types of users from small enterprises, colleges, health authorities, government and large private companies











Microwave backhaul




Microwave backhaul





I've used the word backhaul in these descriptions and I just remembered that's wireless jargon. Basically backhaul is how we "haul" your call or text message or data session from your wireless phone to its final destination. Specifically, it's how we connect that call or data with the rest of the nation's telecom network and deliver it to your final destination, whether that's someone you're calling, your texting or a Website you're surfing. (It's also how we connect people to your wireless phone.)









microwave wireless








microwave wireless




RF Power Amplifiers for Wireless Communications, Second Edition (Artech House Microwave Library)






Reviewing the previous edition, "IEEE Microwave Magazine" boasted, "anyone designing power amplifiers will find this book thought provoking and useful." Professionals in the field agreed as the book went on to be one of our top-selling RF design titles. This extensively revised edition of "RF Power Amplifiers for Wireless Communications" offers practitioners a comprehensive, practical, and up-to-date understanding of how to tackle a PA (power amplifier) design with confidence and quickly determine the cause of malfunctioning hardware. Among the numerous updates, the Second Edition includes five new chapters on some of today's most important topics, such as class AB PAs at GHz frequencies; switching PA modes at GHz frequencies; signals, modulation systems, and PA nonlinearities; power amplifier bias circuit design; and load-pull techniques. Supported with nearly 200 illustrations, the book contains the most complete survey of RF PA efficiency enhancement and linearization techniques in a single volume.










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