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Advances in Bluetooth Modules with LTCC and Multilayer Technologies

September 26, 2002 1:28 pm | Wireless Design & Development | Product Releases | Comments

Low Temperature Co-fired Ceramics offer quantum leap forward in Bluetooth device miniaturization. By Shoichi Sekiguchi, Taiyo Yuden Co., Ltd. and Hiro Kawada, TRDA Inc. Bluetooth-emerging wireless communication standard or technical oddity of questionable commercial viability? Perhaps the answer lies just around the next curve on the technology highway, in the form of Low-Temperature Co-fired Ceramics (LTCC) — an emerging technol...

Security in the Air

September 26, 2002 12:41 pm | Product Releases | Comments

by Dave Juitt, Chief Technology Officer, Bluesocket Inc. 802.1x and what it means for your wireless LAN When mobile worker think of wireless LANs (WLANs), words such as "untethered" and "simply connected" come to mind. Studies show that wireless workers are more productive, less pressured and save businesses money....

Downlink Channel Configuration for W-CDMA Bit Error Rate Testing

September 26, 2002 12:08 pm | Product Releases | Comments

by David J. Schwartz, Agilent Technologies, dave_schwartz The flexibility and complexity of the W-CDMA air interface present special challenges for the performance of Bit Error Rate (BER) testing. BER is the required method for determining the sensitivity of a W-CDMA receiver. The W-CDMA specifications provide a solution in the form of Reference Measurement Channels which, when combined with a properly configured test system...


Location Services in Wireless Communications Systems

September 26, 2002 11:33 am | Product Releases | Comments

A brief overview of location services used to meet FCC E911 requirements in mobile phone systems by Charles A. Murphy, Senior Staff Systems Engineer, Motorola — WBSG Systems and Architecture Group Introduction On June 12, 1996 the Federal Communications Commission (FCC) announced that it would impose regulations on the wireless mobile phone industry to ensure that all 911 calls be accompanied by an Automatic Location Identificati...

Fundamentals of Resettable Functionality in PPTC Devices

September 26, 2002 10:49 am | Product Releases | Comments

by Dan Chandler, Director of Business Development, Tyco Electronics Corporation, Power Components Division/Raychem Circuit Protection Product Line Protecting an electronic circuit from damage due to excessive current or heat is the primary function of many circuit protection technologies. In the past, this protection took the form of a fuse or fusible link, but in many of today's applications resettable devices such as polymeric positive ...


September 12, 2002 12:10 pm | Product Releases | Comments



If you build it, you have to test it...

September 12, 2002 10:41 am | Product Releases | Comments

Challenges and solutions in broadband communication systems test. Jack Anderson, Celerity Systems      Some say broadband is like the weather. Everyone talks about it, but no one can do anything about it. Not exactly true. A hot topic in many circles, broadband means different things to different people....

Extended Range Wireless Modules

September 11, 2002 11:44 am | Product Releases | Comments

     Smaller than a credit card, MaxStream's new 9XStream 1200 Baud Transceiver Module and 1200 Baud Transmit-Only Module allow OEMs to communicate up to 40 miles line-of-sight with high-gain antennas. The Transmit-Only Module drastically reduces the per-unit cost where transceivers are not necessary....

Dual Duplexer

September 11, 2002 11:44 am | Product Releases | Comments

     The WSDD-00009 is a dual duplexer designed to suppress interference used by close proximity commercial SMR mobile services. The WSDD-00009 requires no radio modification other than inserting the product into the antenna cable path from the radio to the antenna. The WSDD-00009 provides a transmit passband of 811....

Fixed Attenuators

September 11, 2002 11:44 am | Product Releases | Comments

     BroadWave Technologies introduces a series of high performance, low cost, 50 Ohm fixed attenuators for DC - 10 GHz applications. Model 315-032-XXX with SMA connectors and Model 352-035-XXX with type N connectors are offered in 1, 3, 6, 10, or 20 dB attenuation values with a VSWR of 1....

WCDMA: Aiding the Evolution to UMTS

September 11, 2002 8:56 am | Product Releases | Comments

A technical approach to the theoretical fundamentals and concepts Editor's Note: Due to the large amount of equations in this article, a PDF has been made available By Alejandro Cadenas, Motorola Espana      Code Division Multiple Access techniques are a form of the so-called spread spectrum....


September 11, 2002 5:44 am | Product Releases | Comments

RF Help Guides      AeroComm introduces four new RF help guides, "Wireless Myths." Aimed at those involved with the selection, purchase or design of wireless systems for OEM applications, the four free lit pieces will offer advice concerning equipment selection, standards, interoperability, approvals and more....

Hitachi Cable Manchester, Inc.

September 11, 2002 5:44 am | Product Releases | Comments

Cable Catalog      Hitachi's new Electronics Cable catalog is now available online and on CD-ROM. Both the 72-page print edition and the electronic versions of the catalog are comprehensive, highlighting HCM's line of electronic cable and wire products for industrial, medical and high technology applications....


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