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Being 'Grounded' Is a Good Thing

February 27, 2002 9:37 am | Comments

By Kim Stokes, Editor-in -Chief, kstokes@cahners.com Security is a primary concern in our society. Everyone worries about national security, security of personal property, and financial security. But unless you are the head of a corporation, how many of us really worry about wireless network security? As wireless networking becomes stronger in the wireless industry and infiltrates our personal lives, we need to be prepared for the ...

Stretching the Limit of Embedded Antenna Design

February 27, 2002 9:37 am | Comments

New design techniques allow engineers to stretch the limit of embedded antenna design. By Kerry Greer, SkyCross, Inc. As the wireless industry starts to mature, the successful introduction of new products has been linked to the capability to build smaller devices that perform more tasks. Today, cell phones fit within the palm of your hand and can send text messages and browse the Internet....

Effects of High Peak-to-Average Ratio on Power Amplifiers

February 27, 2002 9:36 am | Comments

PA evaluation is essential for efficient design of systems that must be compliant with the WLAN standard. By Afshin Amini, Agilent EEsof EDA Wireless Local Area Network (WLAN) systems are rapidly growing in popularity as users around the world look for the convenience of wireless connectivity in a computing environment....

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Re-Design of RF Connector System Delivers Cost-Efficiency

February 27, 2002 9:36 am | Comments

By Christopher Ashworth, Winchester Electronics Electronics manufacturers are always looking for new ways to reduce costs in existing manufacturing processes to keep product pricing lower in the face of fierce competition. Today's environment has intensified the need to create innovative, economical system design improvements....

Pluggable Power Supplies

February 27, 2002 9:34 am | Comments

Tracewell Power, Inc. introduced the TPS600 Power Supplies, a series of compact, rugged, conservatively-rated supplies for applications where reliable, uninterrupted operation is critical. The TPS600 Series offers robust, high-density power solutions for computer, data storage, and telecom/data com....

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RF Module for GSM Wireless Handsets

February 27, 2002 9:34 am | Comments

ANADIGICS, Inc. introduced the AWT6200 PowerPlexer™, the first in a new family of integrated RF modules for GSM/GPRS wireless handsets. The AWT6200 PowerPlexer integrates ANADIGICS' InGaP HBT power amplifiers, GaAs pHEMT multi-throw RF antenna switch as well as passive filters, integrated passives and analog control integrated circuits in a small module package....

Transceiver for GSM/GPRS/EDGE

February 27, 2002 9:34 am | Comments

RF Micro Devices, Inc. announced the availability of the POLARIS™ TOTAL RADIO™ transceiver, a highly integrated, triple-band radio for GSM and GPRS applications with EDGE receive capabilities. The POLARIS transceiver performs all major functions of the RF section, including both transmit and receive, and provides handset manufacturers the benefits of reduced component count, flexible baseband interfaces and lower cost implementation...

MMIC Mixer Line Expanded

February 27, 2002 9:34 am | Comments

WJ Communications announced the expansion of its MMIC mixer line with two low-cost high linearity models. These passive gallium arsenide (GaAs) IC mixers are ideally suited for 3G UMTS wireless infrastructure equipment. The MH101 and MH102 mixers offer high dynamic range with Input IP3 greater than 30 dBm and Input P1 dB of 16 dBm across the entire UMTS frequency range of 1....

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DCS Receive Band Pass Filter

February 27, 2002 9:34 am | Comments

K & L Microwave model WSF-00177 is a DCS Receive Bandpass Filter offering low insertion loss and selectivity in a small size. The unit's applications include filtering for pico, micro and macrocell base station installations, as well as general purpose handset or equipment test systems. The WSF-00177 offers 1....

Ceramic Diplexer Filter

February 27, 2002 9:34 am | Comments

TRAK Microwave, a TRAK Communications company, introduces new ceramic bandpass filters for wireless cable television head-end applications. The model 301-00021 center frequency is 2200 MHz and model 301-00022 center frequency is 2650 MHz. Both models have 6 poles, 12 MHz bandwidth at 3 dB, and return loss of 9....

High Q Bandpass Filter

February 27, 2002 9:34 am | Comments

Integrated Microwave introduces a low cost, very high Q bandpass filter (Part No. 928103). The unit offers good performance in the 850 - 1000 MHz band. The filter's 12 mm resonators and integral notches challenge high-cost cavity filters with outstanding skirt selectivity, and very reduced size and weight....

12-Bit MSPS Analog to Digital Converter

February 27, 2002 9:34 am | Comments

Maxwell Technologies introduces the 9042 12-Bit monolithic analog-to-digital converter microcircuit, featuring a greater than 100 krad (Si) total dose tolerance. Using Maxwell's radiation-hardened RAD-PAK packaging technology, the 9042 realizes a higher performance, and low power consumption. All necessary functions including track-and-hold (T/H) and reference are included on chip to provide a complete conversion solution....

Step Down DC-DC Converters

February 27, 2002 9:34 am | Comments

Maxim Integrated Products introduces the MAX1920/MAX1921 step-down DC-DC converters, which provide more than 400 mA at outputs down to 1.25 V and fit in 6-pin SOT23 packages. They switch at up to 1.2 MHz to reduce external component size. They use a proprietary current-limited control scheme that operates at up to a 100% duty cycle to ensure lowest possible dropout while maintaining a low 50 microamps quiescent supply current....

4-Pin Connector

February 27, 2002 9:34 am | Comments

The new 4pin IEEE 1394 connector from Kycon can save PCB space up to 40% compared to the standard 6pin IEEE 1394 connector. It is available as through-hole and SMT and operates at speeds up to 400 Mbps. The new and smaller IEEE 1394 connector from Kycon is an ideal solution as high-speed interface between computers, notebooks and consumer electronics such as digital cameras, digital video recorders and PDA's....

Standard Package for Low and Mid Density Serial EEPROMs

February 27, 2002 9:34 am | Comments

Microchip Technology announced its new generation of I 2 C™ serial EEPROMs in a tiny, 5-lead package. Designed in Microchip's advanced PMOS Electrically Erasable Cell (PEEC) process technology, these miniaturized versions of Microchip's 24LCXXB and 24AAXX series extend the company's 5-lead SOT-23 package offering with a wider range of densities from 128 bits through 16 kbits....

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