Project Wireless - February 2009 - (Page 13) Feature PrOjeCT By Keng Chen and Kimmo Koskiniemi | Pulse Antenna Division | San Diego, CA | http://www.pulseeng.com T | vOLuMe 1 | nuMber 1 antennaS for hanDhelD DevIceS Selecting the best part for today’s portables depends on its electrical and mechanical properties he antenna plays a major role in the reliability and performance of any wireless communication system. selecting the antenna that best meets the system’s criteria is critical. however, today’s small handheld devices also challenge antenna designers with demands for ultrathin, compact sizes and high-performance that has the ability to meet multiple standards. time to market and cost are two other important criteria for device manufacturers to consider. two major criteria in selecting the best antenna for your system are the electrical and mechanical properties of the antenna. some of these are constrained by the design and mechanics of the device. Contents viewpoint Smart integration design Signal Paths in 3G and Feature / Smart Phone Apps Antennas for Handheld devices Home Page Product Training Module Online Ordering Suppliers baSIc elecTrIcal properTIeS the basic electrical properties that should be considered are operating frequency, bandwidth, maximum gain, average gain, efficiency, return loss or voltage standing wave ratio Catalog 13 http://www.pulseeng.com http://ad.doubleclick.net/clk;211088645;32661511;z?http://www.digikey.com http://ad.doubleclick.net/clk;211088645;32661511;z?http://www.digikey.com http://ad.doubleclick.net/clk;211088750;32661511;w?http://digikey.com/PTM/PTMMaster.page?site=us&lang=en http://ad.doubleclick.net/clk;211088807;32661511;z?http://ordering.digikey.com/ordering/addpart.aspx?site=US&source=search http://ad.doubleclick.net/clk;211088983;32661511;e?http://digikey.com/Suppliers/SupplierIndex.page?site=us&lang=en http://ad.doubleclick.net/clk;211091911;32661511;p?http://dkc1.digikey.com/us/en/pdf/Current.html
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