Wireless Design & Development articles from February 2002

Wireless Design & Development archives from February 2002

Do you know your alphabet? (Up Front).
February 1, 2002... I thought I knew my alphabet, especially being from the Sesame Street Generation. But since the IEEE announcement of another 802.11 tentative standard for Wireless Local Area Networks (WLANs) -- 802.11 g -- I'm not so sure. As an editor, I...

Transceiver for low power radio. (Full Spectrum).(Product Announcement)
February 1, 2002... 1] Transceiver for Low Power Radio RF Monolithics introduces the TR1100, a 1 Mbps version of their second-generation ASH transceiver. The TR1100 operates at 916.5 MHz and is intended for use in North America under FCC 15.249 or Canadian...

Single-chip transceiver. (Full Spectrum).(Brief Article)(Product Announcement)
February 1, 2002... 2] Single-chip Transceiver Chipcon's CC1000, a very low power CMOS RF transceiver is qualified for data rates up to 76.8 kbit/s. The extended data rate with a maximum of 76.8 kbit/s makes the CC1000 ideal for numerous applications...

Ultra miniature TCXO. (Full Spectrum).(Brief Article)
February 1, 2002... 3] Ultra Miniature TCXO Rakon Limited has developed a 5 x 3 mm crystal oscillator package suited to space contraints of wireless devices. This tiny SMD oscillator has an extended temperature range of -40 to 85 [degrees] C and accepts...

Processors for handheld devices. (Full Spectrum).(Product Announcement)
February 1, 2002... 4] Processors for Handheld Devices Intel introduces two processors based on Intel [R] XScale [TM] microarchitecture for handhelds and data-enabled cell phone and wireless devices. The PXA250 for advanced PDAs features the high...

Low jitter frequency translator Vectron International.(Brief Article)(Product Announcement)
February 1, 2002... Vectron International has introduced a new low jitter frequency translator designed to simplify a wide variety of frequency translation and clock smoothing applications. The FX-500 is a complete crystal-based frequency translator, providing...

Surface Mount Toroidal Inductor Standex Electronics, Inc.(Brief Article)(Product Announcement)
February 1, 2002... The ST series surface mount inductor is as low as 1.2 mm in height. The catalog ST2006 series is 1.5 mm maximum height. The small size, low DC resistance and high efficiency makes the ST series ideal for DC - DC converter applications in...

W-CDMA product line expanded Fujitsu Compound Semiconductor, Inc.(Brief Article)(Product Announcement)
February 1, 2002... Fujitsu Compound Semiconductor expanded its W-CDMA product offering with the introduction of its new FMM5049VT. Featuring very high linear gain (33.0 dB) and 41.0 dBm output power, this MMIC complements their existing "FLLxxxx(yy)-2C Series" of...

BeO and AIN attenuators. (Designer's Corner).
February 1, 2002... The design of microwave attenuators for high power applications are developed using two preferred ceramics; Beryllium Oxide (BeO) and Aluminum Nitride (AIN). Florida RF Labs has been providing these high power resistive products in both BeO and...

Surface mount inductors Gowanda Electronics.
February 1, 2002... Gowanda Electronics released a new series of surface mount toroid inductors. This new SMT35A Series utilizes a core and package -- and a "2-in-1" construction -- that offers versatility and efficiency for power supply applications. The 35A...

Vector signal generator Celerity Systems.(Brief Article)(Product Announcement)
February 1, 2002... Celerity Systems, a division of L-3 Communications, introduced the second generation CS2010 Vector Signal Generator (VSG), updated to meet the needs of developers and manufacturers of cutting edge wireless systems. Performance advancements...

Telecom inverter Unipower Telecom.(Brief Article)(Product Announcement)
February 1, 2002... UNIPOWER Telecom's new INV2500-HS telecom inverter is a hot-swap inverter producing 115 V AC at 22 amperes RMS to give 2500 volt-amperes output. The unit is 2 U (3.5 inch) high by 8.5 inch wide by 12 inch deep package. The companion 2 U...

Digital microwave radio relay system NEC America, Inc.(Brief Article)(Product Announcement)
February 1, 2002... NEC announced a new addition to its Nlite [TM] product line, the Nlite 155. The new point-to-point digital microwave radio relay system features extremely compact SONET radio transmission equipment for the 6, 11, 18, 23 and 38 GHz frequency...

Yagi antenna Antenex.(Brief Article)(Product Announcement)
February 1, 2002... Antenex announces a new yagi antenna for SCADA applications. This 806-866 MHz three element, 6.5 dB gain antenna is gold anodized for corrosion resistance and each element is fully welded to the boom. The driven element is sealed folded dipole...

Bluetooth Full Module Taiyo Yuden, Inc.(Brief Article)
February 1, 2002... Taiyo Yuden announced the development of a fully integrated Bluetooth v 1.1-compliant Full Module for next-generation automotive applications, including sound systems, navigational/ telematics devices and Bluetooth-based hands-free kits....

PCB-mount coax BNC jack Trompeter Electronics.(Brief Article)(Product Announcement)
February 1, 2002... Trompeter introduced a new gold plated 75 ohm circuit board BNC jack connector, the UCBJ224, for high frequency, broadband, high data rate applications. The 4-post construction with a longer center lead enables the user to "center" the part and...

Ferrite Chip Inductors Frontier Electronics.(model CF453232 and the model CF322522)(Brief Article)
February 1, 2002... Frontier Electronics now provides a new solution to an old problem; SMD Molded Wire Wound Ferrite Chip Inductors in place of the axial leaded inductors for low to mid frequency signal devices such as computers and communication products. ...

VCO for EDGE base stations. (Oscillators).(Z-Communication' V613ME05)(Brief Article)
February 1, 2002... Z-Communications introduces a VCO ideally suited for EDGE base stations. The V613ME05 generates frequencies between 2110 and 2170 MHz while exhibiting a silent signal. Realizing a spectral purity of -105 dBc/Hz, the V613ME05 is still able to...

Surface mount stratum 3 Oven Controlled Crystal Oscillator. (Oscillators).(Connor-Winfield)(Brief Article)
February 1, 2002... Designers of base stations and timing products will appreciate the tight frequency stability and low jitter of Connor-Winfield's new Oven Controlled Crystal Oscillators. Frequency calibration is [+ or -] 1.5 ppm at time of shipment. Output is...

Low noise ultra-wide band VCO. (Oscillators).(Micronetics model MW500-1242)(Brief Article)
February 1, 2002... Micronetics introduces model MW500-1242. The model MW500-1242 covers 750 - 1800 MHz with a power output of 5.5 dBm [+ or -] 1.5 dB and typical phase noise of -100 dBc/Hz at 10 kHz offset, -123 dBc/Hz at 100 kHz. Supply is 12 V at 26 mA with a...

Frequency source oscillator. (Oscillators).(Brief Article)(Product Announcement)
February 1, 2002... TRAK Microwave introduces a low cost frequency source oscillator, model 10-656-9200 used in SONET 0C-192, clock recovery PLL and clock timing applications. With very low phase noise, the oscillator offers excellent harmonics and frequency...

Transmitters added to OEM product line Linx Technologies.(Linx CMD-HHCP-XXX Remote Command Unit)(Brief Article)
February 1, 2002... Two styles of compact transmitters have been announced as additions to the Linx OEM product line. The units feature rounded packaging and are more compact than the current handheld transmitter. Both units are ideal for general-purpose...

Zero Bias Schottky detectors Krytar.(Brief Article)(Product Announcement)
February 1, 2002... Model 203S Zero Bias Schottky detector operates over the entire frequency band of 10 MHz - 40 GHz. Frequency response: [+ or -] 0.5 dB to 20 GHz, [+ or -] 0.8 dB to 26.5 GHz, and [+ or -] 1.5 dB to 40 GHz. Maximum VSWR over these same frequency...

Dual quarter-brick DC/DC Converter di/dt, Inc.(Brief Article)(Product Announcement)
February 1, 2002... di/dt introduced the QD48 family of DC/DC converters, a series of dual quarter-bricks with independently regulated outputs. The 3.3 V/5 V version simultaneously delivers 15 A at 3.3 V and 10 A at 5 V (100 watts). The QD family is available in...

Harmonic considerations when designing with GSM power amplifiers: an accurate system design must be implemented to meet ETSI standards. (Cover Story).
February 1, 2002... Although the cellular handset market has begun to migrate to 2.5G and 3G technologies, the Global System for Mobile Communications (GSM) remains one of the most widely implemented systems in the world. The European Technical Standard Institute...

Li battery charge controller ON Semiconductor.(Brief Article)(Product Announcement)
February 1, 2002... ON Semiconductor introduces the NCP1800, a single-cell lithium-ion (Li) battery charge controller with a stand-by current of 0.5 microamps. The NCP1800 is designed for use in a variety of electronic devices. The NCP1800 is a constant...

MMIC receiver for high index modulation schemes Mimix Broadband.(monolithic microwave integrated circuit XR1003)(Brief Article)(Product Announcement)
February 1, 2002... Mimix Broadband introduced a gallium arsenide (GaAs) monolithic microwave integrated circuit (MMIC) receiver comprised of a three stage low noise amplifier (LNA) followed by an image reject fundamental resistive high electron mobility...

Power Distribution Connector System FCI Electronics.(Brief Article)(Product Announcement)
February 1, 2002... FCI Electronics announced the latest addition to its PwrBlade Power Distribution Connector System. The R/A press fit receptacle complements the existing PwrBlade product line. Press fit tails fit existing solder tail mounting hole diameter and...

Wire to board connector J.S.T. Corporation.(Brief Article)(Product Announcement)
February 1, 2002... JST announces the release of the super compact Series SUR wire-to-board connector. The connector is suited to high density electronics applications such as PDA. The SUR connectors are available with 2, 8, 12, 14, 16, 18, and 20 positions...

Protection for Li-Ion and Li-Polymer battery packs Tyco Electronics -- Raychem Circuit Protection Division.(Product Announcement)
February 1, 2002... Tyco Electronics announced a new addition to its line of PolySwitch [R] PPTC (polymeric positive temperature coefficient) resettbale strap devices, from its Raychem Circuit Protection Division. Providing both overcurrent and overtemperature...

In-line waveguide LNA Spacek Labs, Inc.(models SLK-22-3I and SLKa-22-4I low noise amplifiers)(Brief Article)
February 1, 2002... The models SLK-22-3I and SLKa-22-4I low noise amplifiers are capable of covering full waveguide bandwidth of 18 to 26 GHz and 26.5 to 40 GHz respectively. The in-line construction makes it easier to integrate these LNAs into systems where space...

Directional couplers MECA Electronics.(Brief Article)
February 1, 2002... MECA offers a series of miniature, 50-watt, stripline directional couplers ideal for applications between 500 MHz and 18 GHz where precise power monitoring, external leveling, signal mixing or swept transmission and reflection measurements are...

Multi-Chip Module SRAM Maxwell Technologies.(Brief Article)(Product Announcement)
February 1, 2002... Maxwell Technologies introduces the 89C 1632 high-performance 16 Megabit Multi-Chip Module (MCM) SRAM, featuring a greater than 100 krad (Si) total dose tolerance. The product's four 4-Megabit SRAM die and bypass capacitors are incorporated...

Crystal for wireless and handheld applications Fox Electronics.(FX325B)(Brief Article)
February 1, 2002... Fox Electronics offers the FX325B, a crystal available for wireless, portable, handheld, and other applications where size and weight are critical. The FX325B measures 3.2 mm x 2.5 mm x 0.8 mm. Typical devices that will benefit from this...

Custom design and fit antennas TECOM Industries, Inc.(model 506051E)(Brief Article)
February 1, 2002... TECOM, a TRAK Communications company, introduces the model 506051E embedded antenna as the newest member of the series of Covant embedded antennas. This new model is used in Wireless LAN, IEEE 802.11, bar code scanners, and point-of-purchase...

802.11 test solution Yokogawa Corporation of America.(Brief Article)(Product Announcement)
February 1, 2002... Yokogawa Corporation of America introduced two new wireless test products. These products join Yokogawa's already established line of arbitrary waveform and digital IQ signal generators. The VG3000E / VG6000 Synthesized Vector Signal...

Bluetooth baseband chip Alcatel.
February 1, 2002... Alcatel announced the sampling of their new Bluetooth baseband chip. The Bluetooth design, called the MTC-60180, offers complete V1.1 functionality with interoperability. The Alcatel MTC-60180 Bluetooth baseband offers functionalities such as...

RF surface mount modules Stetco, Inc.(Brief Article)(Product Announcement)
February 1, 2002... The 1008 L/C circuit from Stetco is a passively integrated surface mount module. It features tight frequency, frequency range of 100 MHz - 3 GHz, series or parallel circuit, and high current and low DCR. These modules are designed to be...

No power SRAM module Innovative Microdevices, Inc.(Brief Article)(Product Announcement)
February 1, 2002... Innovative Microdevices has introduced a device, IM1265, which is 8,388,608 bit fully Static NP SRAM module. Organized as 1024K x 8 using CMOS, it has a built in lithium battery to support data retention in absence of Vcc (power supply). ...

Bluetooth power amplifiers Maxim Integrated Products.(Brief Article)(Product Announcement)
February 1, 2002... Maxim Integrated Products introduces the MAX2244/MAX2245/MAX2246 family of 2.4 GHz power amplifiers (PA) designed for Bluetooth Class 1 radio modules. The PAs integrate a closed-loop power control circuit that enables a near constant output...

2 W Single-In-Line (SIP) DC/DC converters MicroPower Direct.(Brief Article)(Product Announcement)
February 1, 2002... Now available form MicroPower Direct, the E200 series is specifically designed to provide 2 W of isolated out-power in an ultra-miniature 4-pin SIP package. Eighteen models operate from inputs of 5 V DC, 12 V DC, 24 V DC or 48 V DC, and...

Evaluation Kit Linx Technologies.(Brief Article)(Product Announcement)
February 1, 2002... The MDEV-900-SC-XXX Wireless Development Kit contains all the tools necessary to evaluate and integrate the SC series of RF modules from Linx. Using these modules designers can add bi-directional wireless capabilities to any product. The...

Designing embedded devices for Bluetooth compatibility: using Bluetooth qualified components during the design process will help reduce cost and time-to-market. (Bluetooth).(Tutorial)
February 1, 2002... A systematic approach is needed when building products with Bluetooth capabilities, as a number of obstacles must be overcome. The product has to live up to the Bluetooth standard and pass the pertinent mandatory test cases. In addition, the...

RF SAW Filters Toshiba America Electronic Components, Inc.(Brief Article)(Product Announcement)
February 1, 2002... Toshiba introduced RF surface acoustic wave (SAW) filters. The SRF942NLC61 family supports the EGSM Communication 900 MHz frequency range while the SRF1842NFC61 family supports the DCS 1.8 GHz range. The new devices also offer designers a...

DC/DC Converter C&D Technologies.(Product Announcement)
February 1, 2002... C&D Technologies has introduced a compact, highly featured 60 W dual-output DC/DC converter. Housed in a `quarter brick' package measuring 5.84 x 3.81 x 1.27 cm the VSX60 offers a very high power density and incorporates as standard an array of...

Clock Crystal ILSI America.(Brief Article)(Product Announcement)
February 1, 2002... The IL3R is an ultra small 32.768 MHz X-Cut crystal counted in an SMD package measuring only 6.9 x 1.4 x 1.3 mm. Frequency tolerance is [+ or -] 20 parts per million at 25 [degrees] C. Operating temperature range is -40 [degrees] C to +85...

Coding & modulation of satellite DVB systems: various steps used by a satellite based DVB communication system. (Satellite Solutions).
February 1, 2002... The world is going wireless. In the last decade the explosion of wireless services has been phenomenal. Companies big and small have jumped on the bandwagon to provide one type of service or another. To insure interoperability, various working...

Telemetry omni antenna MAXRAD, Inc.(Brief Article)(Product Announcement)
February 1, 2002... MAXRAD has developed a new antenna solution for wireless telemetry and meter reading applications often plagued by theft and vandalism. The new MTO8903PT ultra-thin antenna provides discrete omnidirectional coverage of frequencies ranging from...