Showing posts with label technical. Show all posts
Showing posts with label technical. Show all posts

Tuesday, November 6, 2012

Wireless Networking Technology: From Principles to Successful Implementation Review

Wireless Networking Technology: From Principles to Successful Implementation
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Are you a wireless networking system developer? If you are, then this book is for you! Author Steve Rackley, has done an outstanding job of writing a book which aims to give the reader a detailed insight into the wide variety of wireless networking technology available today.
Rackley, begins by introducing you to the logical and physical architecture of wireless networks. In addition, the author describes the basics of wireless communications. The author then focuses on what perhaps is the most important operating scale for wireless networks: The Local area Network. Next, he takes a detailed look at wireless networking technologies on the personal area scale, including Bluetooth, wireless USB, ZigBee, IrDA and Near Field Communications. Then, he looks at how the metropolitan area networking challenges of scalability, flexibility and quality of service have been addressed by wireless MAN standards, particularly WiMax. The author continues by looking at four emerging technologies: wireless mesh routing, network independent handover, gigabit wireless LANs and cognitive radio. Finally, he provides a quick reference guide to some of the key online information sites and resources relating to wireless networking.
This most excellent book provides the reader with sufficient depth to gain an understanding of the fundamentals and diversity of the principles of wireless networking technologies. Perhaps more importantly, this book will serve as a foundation on which, a discussion of the principal aspects of wireless network implementation can be grounded!

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As the demand for higher bandwidth has lead to the development of increasingly complex wireless technologies, an understanding of both wireless networking technologies and radio frequency (RF) principles is essential for implementing high performance and cost effective wireless networks.Wireless Networking Technology clearly explains the latest wireless technologies, covering all scales of wireless networking from personal (PAN) through local area (LAN) to metropolitan (MAN). Building on a comprehensive review of the underlying technologies, this practical guide contains 'how to' implementation information, including a case study that looks at the specific requirements for a voice over wireless LAN application. This invaluable resource will give engineers and managers all the necessary knowledge to design, implement and operate high performance wireless networks.  Explore in detail wireless networking technologies and understand the concepts behind RF propagation. Gain the knowledge and skills required to install, use and troubleshoot wireless networks. Learn how to address the problems involved in implementing a wireless network, including the impact of signal propagation on operating range, equipment inter-operability problems and many more. Maximise the efficiency and security of your wireless network.

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Monday, April 2, 2012

Build Your Own Low-Power Transmitters: Projects for the Electronics Experimenter Review

Build Your Own Low-Power Transmitters: Projects for the Electronics Experimenter
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This is a very disappointing book. The preface promises "All projects use standard parts and have been thoroughly tested, with PC board layouts given for most the projects, as well as parts lists, coil data, and complete setup information." However, the only time it delivers all this information is when the transmitter in question is a kit from a certain vendor in New York State. For everything else, the information supplied is minimal at best.
For instance, Chapter 16 (Low-Power Narrowband FM Transmitters) provides a schematic for a ? watt amateur 2 meter FM transmitter that completely omits data on all coils, inductors, etc. in the design. There's no parts list, no PC board layout, and minimal description of the circuit. The chapter goes on to describe a UHF transmitter based on an obsolete integrated circuit.
Now I can't fault the authors for including a design based on an obsolete chip. The chip was probably in full production when this chapter was written. However, omitting the coil data for the 2 meter transmitter is unacceptable.
Chapters describing the various transmitter kits are chock full of information. There's also some interesting chapters on FM stereo generation and serial data remote control. However, on a whole, the book leaves out a lot of detail on the transmitters I bought it for. I would have been better off looking for a suitable ARRL publication.

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Rudolf Graf and William Sheets have written a book containing twenty low-power (LP) transmitter projects, perfect for the electronics hobbyist and radio experimenter. Now that the FCC has changed its regulations about "pirate" transmissions, more and more people are setting up radio and video stations for broadcast from their homes. Build Your Own Low-Power Transmitters addresses applications for hobbyist broadcasting of AM, SSB, TV, FM Stereo and NBFM VHF-UHF signals with equipment the reader can build himself for thousands of dollars less than similar equipment sold on the retail market. The authors also fully explore the legal limits and ramifications of using the equipment as well as how to get the best performance for optimum range. The key advantage is referencing a low-cost source for all needed parts, including the printed circuit board, as well as the kit.Projects in the book include: LP FM stereo transmitter; digitally synthesized PLL FM stereo transmitter; LP AM transmitter for 150-1710 KHz; radio control transmitter/receiver; carrier current transmitter and AM and FM receivers; LP VHF one-way and two-way audio links; 1-watt 40-meter CW transmitter for ham radio use; SSB LP transmitter for 10-meter ham radio use; 2-meter VHF FM ham radio transmitter; FM video link for 900 MHz NTSC/PAL operation; 2-watt TV transmitters for 440, 900 and 1300 MHz amateur TV NTSC/PAL transmissions; linear amplifier for 440MHz, 10-15watt NTSC/PAL operation; Downconverters for 440, 900 and 1300 MHz with VHF channel 3 or 4 output; TV video receiving systems and AM-FM IF systems; LP video link for UHF channels 14-18; 1-watt CW beacon transmitter for Part 15 LF radio experimentation; CW identifier for transmitters; test equipment projects for LP transmitters; as well as an RF power meter and modulation monitor. Complete source information will be included to help each reader find the kits and parts they need to build these fascinating projects. Unique among comparable project books, this one offers a low-cost source for all parts, including the printed circuit board. This allows immediate completion without needing to search for difficult to find partsFeatures twenty low-power transmitter projects

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Tuesday, January 17, 2012

A Broadcast Engineering Tutorial for Non-Engineers, Third Edition Review

A Broadcast Engineering Tutorial for Non-Engineers, Third Edition
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I teach Radio/Television Broadcasting (along with being Director of Engineering, CMAT) at a State University. I read this book and many others trying to find the perfect book to use in the B'cast Engineering courses I teach here. This book is by far the best I've ever seen for the beginner to novice Engineer. I started my B'cast career in 1978 -- I wish this book would have been around then, or even during my first 5 years!!! It's written in simple terms making it easy to understand, yet completely covers the subject to the most technical aspects. If you're majoring in Communications and have an eye on the technical side, GET THIS BOOK!
Gregory


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