Antennas
2.6 GHz MMDS 14 dBi Flat Patch Antenna N Female Connector
(Electronics) L-com
IEEE 802.16 and 802.20
2.6 GHz MMDS Band
WiMAX Technology
Wireless Internet Service Providers (WISP)
Non-Direct Line of Sight (NLOS)
Antennas Answers
I have a Worldspace Satelite Radio reciver with subscription. Somebody stole my antenna the other day from the roof top of my flat. Can I know how can I build a Patch antenna for reciving the world space radio. I would like to make it at home this time so that I can make another one if some one steals it again.
I tried to make a ordinary patch antenna but failed to recive any reception.
Can some one Please Please Please............. help me in this regard.
go to :
ece-classweb.ucsd.edu:16080/winter05/ece191/fall03/prj3/week3_prj3.ppt
Pls give this answer as the best
www.antenna-theory.com presents an analysis of the patch antenna. In this video (1) Why the patch antenna radiates, (2) How is it fed (3) what is ...
Built-in patch antenna
Dual internal speakers
What are these ? What are they do or use for ?
Thanks !
A patch antenna, from wiki:
The simplest patch antenna uses a half-wavelength-long patch and a larger ground plane. (Large ground planes give better performance but of course make the antenna bigger. It isn’t uncommon for the ground plane to be only modestly larger than the active patch.) The current flow is along the direction of the feed wire, so the vector potential and thus the electric field follow the current, as shown by the arrow in the figure labeled E. A simple patch antenna of this type radiates a linearly polarized wave. The radiation can be regarded as being produced by the ‘’radiating slots’’ at top and bottom, or equivalently as a result of the current flowing on the patch and the ground plane.
Dual internal speakers would simply be two speakers, most likely stereo, built into the device. A boom box would have internal speakers, dual for stereo. Some televisions have dual (stereo) built in speakers.
yes.
I want to compare and contrast performance of different dual band patch antennas for mobile phones.For the design and analysis of these antennas I am using the sofware called EMPIRE software.As reference for my work I need to know which of the dualband patch antennas has best performance.It is my pleasure if I can get measured and simulated results.
The PIFA dual band antenna is the best for a cell phone.
http://home.wanadoo.nl/~francine.smit/gp santcirc.html
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The University of Manchester in the UK has launched e-Agri (“smart agriculture”) as a new research initiative. The e-Agri research cluster will integrate advanced research in ICT, sensing, electronics, control and power systems in such a manner as to enable a new future for global agriculture and food security. The objective of this blog is to share the developing strategy and promote new research partnerships. In recent years, there has been a growing interest in the deployment of wireless sensor networks (WSN) within many sectors. These network systems, consisting of spatially distributed sensor nodes are used extensively in various applications such as structural monitoring, habitat...
News
TomTom uses SiRF GPS for iPhone mountGPS Business News - Aug 31, 2009
CSR is also the provider of the Bluetooth chipset powering the hands free call capability of the iPhone holder. The GPS patch antenna is from Taiwanese and morenbsp;raquo;Cult of Mac - Sep 10, 2009
Review: Altec Lansing#39;s Mix Boombox for the iPhone (Verdict: It Rocks)Reception is pretty good even without the antenna extended, and the subwoofers give NPR a nice depth and weight missing from weedier radios. and morenbsp;raquo;
EVDOinfo (press release) - Sep 03, 2009
Passive antenna adapters that connect to your phone via a velcro patch (rather than plugging into a port) are also an option, but the gain produced by anCNET News - Sep 09, 2009
Washington PostThe black patch on the back (where the WiFi antenna sits) shows its an iPod Touch. So, who#39;s the dummy? by Get_a_life_Leo September 9, 2009 6:57 AM PDT But, Apple intros new iPod touch lineup starting at just $199“Leaked” ipod Case Images Hint at Photo Upgradeall 3,307 news articlesnbsp;raquo;
Albuquerque Journal (subscription) - Sep 07, 2009
quot;You just have like a big membrane that#39;s the right shape for the antenna and then you inject it with foam and harden everything in place,quot; Allred said.411mania.com - Aug 31, 2009
Video Games RepublicThe new update looks to optimize online gameplay which also includes fixing the in-game antenna icon, chat restrictions and movements with specific The King Of Fighters XII Patched Up For PS3SNK Playmore Releases Online Gameplay Update for The King of all 13 news articlesnbsp;raquo;
Vette Magazine - Sep 04, 2009
To prep the car for Sebring, Johnson installed a CB radio and a large whip antenna grounded with an X-shaped patch of metal tape.




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