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LVDS Enables High-Speed Signal Distribution in 3G Basestations

July 2, 2001 5:42 am | Product Releases | Comments

By Surawat Promyotin, Maxim Integrated Products 3G mobile communications — such as W-CDMA, EDGE, and CDMA2000 — promise the magic of media-rich, high-speed Internet access at your cell phone. To service this bandwidth, the cellular basestations (which interface wireless handsets to the wireline networks) will process and distribute exponentially greater amounts of digital data....

Paving the Way for Software Definable Radios

June 29, 2001 7:39 am | Product Releases | Comments

Handsets that support multi-operational modes and frequency bands will rely on "breakthrough technology" to achieve advanced functionality. By David McCartney, e-tenna Corporation In order to realize a handset that supports three, four or more operational modes and frequency bands, the wireless design industry will rely on true "breakthrough technology" to achieve this advanced level of functionality in a lightweight and low-c...

Antenna Considerations in the Deployment of Wireless Broadband Networks

June 29, 2001 7:39 am | Product Releases | Comments

Antenna selection for wireless broadband networks is critical, due to the technology's inherent LOS limitations. By Ana Bakas, MAXRAD, Inc. In 1985 and in 1997, the Federal Communications Commission (FCC) allocated three Industrial, Scientific and Medical (ISM) bands for unlicensed commercial use....

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Automated Instrumentation Solution

June 29, 2001 4:56 am | Product Releases | Comments

Tektronix, Inc. announced an automated instrumentation solution that seamlessly combines many of the company's proven logic analyzer and oscilloscope models, creating an integrated tool set for digital development and troubleshooting. Obtaining a clear signal is a significant challenge for electronic designers working on digital systems because the complexity of these designs can degrade signal quality....

Variable Gain Amplifier

June 29, 2001 4:56 am | Product Releases | Comments

M/A-COM introduces a new voltage variable gain amplifier to complement their existing gain block amplifier family (AM55-0029, AM55-0024 and AM55-0023). The AM55-0027 integrates a digitally controlled attenuator with 3 stages of amplification. This amplifier has 0.25 dB attenuation steps over a range of 10 dB....

Software Speeds the Design of Wireless, Broadband, and Optical Products

June 28, 2001 8:23 am | Product Releases | Comments

Ansoft announced the release of Ensemble (Version 8.0) with functionality targeting the needs of RFIC, MMIC, PCB, and planar antenna designers. This version expands the speed and accuracy for characterizing all planar structures found in wireless, broadband, and optical components. Ensemble 8....

Simulation Software Provides Insight to Health Safety Issues

June 28, 2001 8:23 am | Product Releases | Comments

With the proliferation of mobile phone users, health safety issues have been hitting the headlines with increasing regularity. Many designers are turning to cutting edge simulation software such as CST MICROWAVE STUDIO™ to provide better insight into the risks and effects. It is now possible to carry out SAR calculations using CST MICROWAVE STUDIO's time domain solver, having imported SAR standard models (FCC / Cenelec / IEEE) with CS...

New range of GHz Trimmer Capacitors

June 28, 2001 8:08 am | Product Releases | Comments

Temex Components, announces the availability of a new range of GigaHertz trimmer capacitors that are reduced in size, while improving their performances in terms of ESR and self-resonant frequency. This new range incorporates the famous self-locking constant torque drive mechanism, and offer many advantages as for example, small size, light weight, fixed length, high Q, and zero tuning noise....

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Antennas Designed to Meet Broadband Market Needs

June 28, 2001 7:33 am | Product Releases | Comments

Decibel Products' new Datenna family of antennas recently expanded with the release of three new antennas, the DB973HG12ERR, the DB948G85E-DR, and the DB973G90-SR. These new products are designed for broadband wireless data and voice applications and created to address two separate needs within the new frequency bands — uninterrupted transmission and high volume data transmission....

Wireless Broadband Antennas

June 28, 2001 7:33 am | Product Releases | Comments

Decibel Products, and Allen Telecom Company, has developed and produced a new family of base station antennas featuring the latest antenna design technology. The 980HF115T2EW and the 980HF65T2EW are horizontally polarized, with azimuth beam widths of 115° and 65° respectively. Both antennas are characterized by Decibel's MaxFill pattern shaping capability with upper side lobe suppression and null fill....

Digital Downconverter

June 28, 2001 7:33 am | Product Releases | Comments

Graychip has announced the availability of its 100 MHz GC4016, an enhanced performance four channel multi-standard digital receiver chip. The GC4016 is an ideal building block for implementing multi-standard wideband software radios for cellular base stations as well as WLL systems. Air interface standards supported include GSM, IS-136, CDMA, EDGE, and 3rd generation UMTS/CDMA2000-3x....

RF SiGe Front End Integrated Circuit

June 28, 2001 7:33 am | Product Releases | Comments

Atmel® announced the availability of its well-known highly integrated RF Silicon-Germanium (SiGe) front end IC (including a low-noise amplifier and a power amplifier) for the radio part of long range, 100 meter, Bluetooth™ systems in Flipchip technology. Due to Flipchip technology, the T7024 is much smaller and more cost-effective than conventionally-packaged Gallium-Arsenide (GaAs) solutions....

CDMA RF Synthesizer

June 28, 2001 7:33 am | Product Releases | Comments

Silicon Laboratories announced the Si4135 CDMA RF synthesizer, the newest member of the company's Criterium™ RF synthesizer family. The single-chip Si4135 is based on Silicon Labs' CMOS RF architecture and meets the phase noise performance requirements of the IS-95 and Advanced Mobile Phone Service (AMPS) cellular standards....

WCDMA Power Amp Supply

June 28, 2001 7:33 am | Product Releases | Comments

Maxim Integrated Products introduces the MAX1820, which is the first step-down DC-DC converter designed specifically for the fixed-gain linear power amplifiers (PAs) used in 2.5G and 3G WCDMA cellular phones. The high-speed MAX1820 can vary its output voltage from 0.4 V to 3.4 V in less than 30 μs, adjusting the power applied to the PA so that it tracks the power being transmitted by the PA....

Static Prescaler

June 28, 2001 7:33 am | Product Releases | Comments

Hittite Microwave introduces a low noise, Divide-by-4 Static Prescaler with InGaP GaAs HBT technology that operates to 12 GHz. The HMC362 features a wide operating input window, a selectable output power bias option, and a low additive SSB phase noise of -149 dBc/Hz at 100 kHz offset. This device operates from DC (with a square wave input) to 12....

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