Industry News

INTEGRATED CIRCUITS

INTEGRATED CIRCUITS 2.4 - 2.5 GHz WLAN Chipset The Waverider 2 series wireless local area network (WLAN) chipset operates in the 2.4 to 2.5 GHz ISM band and consists of a wireless data controller (model WL102B), 2.4 to 2.5 GHz RF and IF circuit (model WL600C) and 2.5 GHz...
Read More

TEST EQUIPMENT

TEST EQUIPMENT Signal Analyzers The FSIQ series signal analyzers offer fully integrated spectrum, modulation and time analysis for wideband CDMA applications and wireless standards, including GSM, IS-136 and IS95-CDMA. Three models are available with different frequency bands, including the 20 Hz to 3.5 GHz model FSIQ3, 20 Hz to...
Read More

SUBSYSTEMS

SUBSYSTEMS Receive Switch Matrix The SWRxxx series receive switch matrix is designed for use in relay cell local multipoint distribution service wireless systems where two receivers are used. The unit provides monitoring of the receiver's critical operating parameters and provides microprocessor-controlled automatic switching to a hot-standby receive path. The...
Read More

SOFTWARE

SOFTWARE Filter Design Programs The PCFILT and S/FILSYN filter design programs have been upgraded to operate under the 32-bit Windows '95/'98/NT operating systems. PCFILT has been fully converted to a true Windows program, allowing it to take advantage of the features of these new operating systems. While still DOS...
Read More

News From Washington

News From Washington Iridium Network to Serve Defense Personnel The Defense Information Systems Agency (DISA) has installed a dedicated ground station at the Naval Computer and Telecommunications Area Master Station-Pacific, Honolulu, HI, to act as a terrestrial gateway for Department of Defense (DoD) users of the global Iridium cellular...
Read More

International Report

International Report Netherlands Moves Frigate Programme Forward With Radar Contract Following its selection of Racal's Sabre electronic support/countermeasures system (see page 45 in the January issue of Microwave Journal), the royal Netherlands navy's de Zeven Provincien class frigate programme has progressed further with the receipt of a new radar...
Read More

The Commercial Market

Commercial Market 1998 US Digital Handset Sales Surpass Analog According to a recent report released by Dataquest, a unit of GartnerGroup Inc., US digital handset sales reached 10.1 million units through the first three quarters of 1998 compared to the sale of 7.9 million analog handsets during the same...
Read More

The Book End

The Book End Digital Communications: Design for the Real World Andy Bateman Addison-Wesley Publishing Co. 221 pages plus CD ROM; $59.95, £24.95 Much of today's electronic communications utilizes some form of digital modulation. Communications equipment design engineers now must be thoroughly familiar with these techniques and their effects on...
Read More

Improved Composite Metal for High Performance Semiconductor Applications

An improved version of the popular copper tungsten composite with thermal and electrical properties approaching the product's theoretical maximum
Improved Composite Metal for High Performance Semiconductor Applications Polese Co. San Diego, CA As performance demands on silicon and GaAs devices continue to increase, so do thermal management concerns and the need for cost-effective packaging alternatives. In addition to heat dissipation, concerns such as material compatibility must be considered...
Read More

Chip Directional Couplers for Wireless Applications

Chip directional couplers in an ultra-compact package that utilize a proprietary ceramic multilayer material and process to ensure superior performance and reliability
Chip Directional Couplers for Wireless Applications Toko America Inc. Mt. Prospect, IL Numerous circuit locations exist in today's portable wireless telephones and equipment that require an RF sample voltage to be redirected to another part of the circuit. In the past, directional couplers were considered one of the more...
Read More