Wireless Design & Development articles from March 2002

Wireless Design & Development archives from March 2002

Being `grounded' is a good thing. (Up Front).
March 1, 2002... 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...

1] 1000 watt power supply. (Full Spectrum).(Brief Article)(Product Announcement)
March 1, 2002... OPS has unveiled its new 48-volt AC to DC power supply. At the core of this 1000 watt power supply is OPS' Distributed Power Magnetics[TM] (DPM) technology. This sophisticated technology results in AC to DC power supplies that are smaller,...

2] RF module for GSM wireless handsets. (Full Spectrum).(Brief Article)(Product Announcement)
March 1, 2002... ANADIGICS, Inc. introduced the AWT6200 PowerPlexer[TM], 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...

3] Transceiver for GSM/GPRS/EDGE. (Full Spectrum).(Product Announcement)
March 1, 2002... RF Micro Devices, Inc. announced the availability of the POLARIS[TM] TOTAL RADIO[TM] transceiver, a highly integrated, triple-band radio for GSM and GPRS applications with EDGE receive capabilities. The POLARIS transceiver performs all major...

4] Low cost EMI filter. (Full Spectrum).
March 1, 2002... Syfer Technology's Integrated Passive Component (IPC) is a new three terminal electromagnetic interference filter device featuring cancellation of radio frequency noise, rather than reflection of the signals to ground. The unique new multilayer...

5] Pluggable power supplies. (Full Spectrum).(Brief Article)(Product Announcement)
March 1, 2002... 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...

Re-design of RF connector system delivers cost-efficiency. (Designer's Corner).
March 1, 2002... 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,...

Ophir RF, Inc.: GaAs FET amplifiers.(Brief Article)
March 1, 2002... Ophir RF announces the availability of a new family of high power amplifiers covering the frequency range 0.7 - 3.0 GHz. These small, lightweight solid state amplifiers are available with output powers of 10 W, 30 W, 50 W, 100 W and 200 W. This...

Texas Instruments, Inc.: logic devices reduce time to market.(Brief Article)
March 1, 2002... Ideal for portable applications and as a "quick fix" for design errors, Texas Instruments' line of Little Logic devices optimizes circuit routing on densely populated boards and minimize design investment. The LVC1G/2G family features include a...

The Connor-Winfield Corp.: HCMOS compatible oven controlled crystal oscillator.(Brief Article)
March 1, 2002... The new C-W Model AGOF3S3 Crystal Oscillator from Connor Winfield was designed for base station and timing products designers. Its design approach keeps power consumption below 1.5 W at all times. Frequency calibration is [+ or -] 1.5 ppm at...

Wessex Electronics: DC to 40 GHz microwave test fixture.(Brief Article)(Product Announcement)
March 1, 2002... A universal test fixture, intended for use within a development environment has been introduced from Wessex Electronics. Model MFX-40001 has four launchers, allowing 1-4 port testing, adding a second kit enables 1-8 port testing with...

UltraRF: LDMOS Power Amplifier Module.(Product Announcement)
March 1, 2002... UltraRF unveiled its PFM21020 RF Power Amplifier Module that is designed with the company's UltraGOLDII[TM] LDMOS technology. Rated at 20 watts P1 dB output power, the PFM21020 has 80 MHz bandwidth, a critical parameter for high-speed...

The Honeywell Solid State Electronics Center: high performance attenuators.(Brief Article)(Product Announcement)
March 1, 2002... The Honeywell Solid State Electronics Center, in conjunction with worldwide distributor Richardson Electronics introduced the HRF-AT4000 family of high performance attenuators. Manufactured using Honeywell's Silicon On Insulator CMOS...

Micronetics Wireless, Inc.: broadband microwave noise source module.(Brief Article)(Product Announcement)
March 1, 2002... Micronetics Wireless announces that the NMA-5300 has been redesigned to offer improved output characteristics. The NMA-5300 now boasts a frequency range from 2 GHz to 18 GHz with a [+ or -] 2.0 dB flatness, a VSWR of 2:0:1 and of output at -107...

Mimix Broadband, Inc.: GaAs MMIC receiver.(Brief Article)(Product Announcement)
March 1, 2002... Mimix Broadband announced the introduction of a gallium arsenide (GaAs) monolithic microwave integrated circuit (MMIC) receiver comprised of a three stage low noise amplifier (LNA) followed by a single transistor "Tee" attenuator and an image...

Wireless Technologies Corp.: PCS diplexer.(Brief Article)(Product Announcement)
March 1, 2002... The Model W1840D was designed IMD free. Standard dual 43 dBm input signals produce 90 dB. Return loss is >-16 dB. Power capability is >50 watts. The Model W1840D measures 2" X 2" X 9" and can use SMA or Type N IMD free connectors. ...

California Eastern Laboratories: low noise amplifier.(Product Announcement)
March 1, 2002... California Eastern Laboratories (CEL) has announced the availability of NEC's latest miniature NPN low noise amplifier. Typical performance as a DRO at 14.35 GHz include a phase noise of -65 dBc/Hz @ 1 kHz offset, -105 dBc/Hz @ 10 kHz...

ON Semiconductor: Schottky power rectifiers.(Product Announcement)
March 1, 2002... ON Semiconductor introduced six 10-volt Schottky power rectifiers. The MBRM110E/L, MBRA210E/L and MBRS410E/L are low forward-voltage (Vf) Schottky rectifiers in space-saving surface mount packaging. Applications for these 1-Amp, 2-Amp and 4-Amp...

Linx Technologies: surface mount RF module.
March 1, 2002... Linx Technologies announced a new series of RF modules designated the ES. The ES series combines the cost and size benefits of the LC family, the range, noise immunity and performance of the HP series, and the legal attractiveness of future...

Seavey Engineering Associates, Inc.: patch antennas for GPS.(Brief Article)(Product Announcement)
March 1, 2002... Seavey Engineering Associates offers a series of antennas for use on small satellites and Space Shuttle applications. These interchangeable units are 82 m[m.sup.2] and 10.6 mm thick. They feature SMA RF ports. Two LHCP S-band models provide...

Zetex, Inc.: Trench MOSFETs.(Brief Article)(Product Announcement)
March 1, 2002... Characterized by low on-resistance and a low gate charge, an extended series of N-channel Trench MOSFETs from Zetex helps minimize losses and boost circuit efficiency. Five new SOT23 packaged devices, rated for 20 V and 30 V operation target...

Alpha Industries, Inc.: voltage variable attenuator.(Brief Article)(Product Announcement)
March 1, 2002... Alpha Industries introduces the AV 141-321 Gallium Arsenide (GaAs) IC PHMET voltage variable attenuator that combines price and performance over a high frequency range. Providing high-end performance from 2.7 GHz - 4 GHz, the attenuator is...

Z-Communications, Inc.: VCO for microwave radio.(Brief Article)(Product Announcement)
March 1, 2002... Z-Communications introduced the V910ME02 for demanding digital microwave radio applications. The device, V910ME02, generates frequencies between 4245 and 4335 MHz within 0.5 to 8 V DC of control. At this frequency range, this VCO provides a...

High Q bandpass filter. (Filters/Mixers).(Brief Article)
March 1, 2002... 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...

DCS Receive Band Pass Filter. (Filters/Mixers).(Brief Article)(Product Announcement)
March 1, 2002... 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...

MMIC mixer line expanded. (Filters/Mixers).(Brief Article)(Product Announcement)
March 1, 2002... 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...

Ceramic diplexer filter. (Filters/Mixers).(Brief Article)(Product Announcement)
March 1, 2002... 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...

Effects of high peak-to-average ratio on power amplifiers: PA evaluation is essential for efficient design of systems that must be compliant with the WLAN standard.
March 1, 2002... 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. Many design efforts are focused on 5 GHz WLAN systems based on...

Vishay Intertechnology: voltage regulators with low ground current.(Product Announcement)
March 1, 2002... Two new 150 mA low-noise low dropout (LDO) regulators designed for use in battery-powered equipment such as cell phones, wireless handsets and modems, PDAs, and pagers were announced by Siliconix Incorporated, a subsidiary of Vishay...

Tracewell Systems: test and development system.(T-Frame for cPCI/PS test and development system)(Product Announcement)
March 1, 2002... Tracewell Systems announced a new variant of its T-Frame[TM] test and development system that provides the board access, convenience, and diagnostics of the original T-Frame, with the high performance of a CompactPCI Packet Switching Backplane...

di/dt, Inc.: DC/DC converter.(Brief Article)(Product Announcement)
March 1, 2002... di/dt announced the QD48 family of DC/DC converters, 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) -- matching the power of dual output...

Taiyo Yuden (U.S.A.), Inc.: Bluetooth RF module.(Brief Article)
March 1, 2002... Taiyo Yuden introduced a small RF module for the next generation of Bluetooth-based wireless communications devices, including cell phones and PDAs. The ultra-compact RF module employs a unique Low Temperature Cofired Ceramics (LTCC) substrate...

Kycon, Inc.: 4-pin connector.(Brief Article)
March 1, 2002... The new 4-pin IEEE 1394 connector from Kycon can save PCB space up to 40% compared to the standard 6-pin IEEE 1394 connector. It is available as through-hole and SMT and operates at speeds up to 400 Mbps. The through-hole connector, which...

AVX Corporation: high voltage surface mount ceramic chip capacitor.(Brief Article)(Product Announcement)
March 1, 2002... Providing system designers with new high voltage SMT capacitors, AVX introduces the Hi-Q[TM] Series of MLC capacitors, offering superior electrical characteristics for various high frequency applications. Ideal for use in high power RF...

ASSET InterTech, Inc.: boundary scan test and ISP environment.(Product Announcement)
March 1, 2002... A new release of ASSET InterTech's ScanWorks boundary-scan (IEEE 1149.1/ JTAG) test and in-system programming (ISP) environment features next-generation interconnect test tools that improve product quality by offering better test coverage and...

Stretching the limit of embedded antenna design: new design techniques allow engineers to stretch the limit of embedded antenna design. (Embedded Antennas).
March 1, 2002... 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...

Fairchild Semiconductor International: Low Power product family.(TinyLogic Ultra Low Power)(Brief Article)(Product Announcement)
March 1, 2002... Fairchild Semiconductor introduced the TinyLogic Ultra Low Power family. The TinyLogic Ultra Low Power devices dissipate 50 percent less power than today's current low voltage logic ICs. The improved power feature set is designed specifically...

Micronetics Wireless, Inc.: high frequency noise modules.(NMA-2414 )(Brief Article)(Product Announcement)
March 1, 2002... Micronetics Wireless announces an addition to its NMA series of noise modules. The NMA-2414 is ideal for applications like radar calibration, jamming, bit error rate testing, automated test equipment where high power and small size is required....

MECA Electronics: high power combiner/divider.(MECA H804-4-0.900)(Brief Article)(Product Announcement)
March 1, 2002... MECA introduces a compact, 100 watt Wilkinson power combiner/divider designed for use in AMPS, TDMA, CDMA, GSM and CDPD systems applications operating over the 0.800 - 1.000 GHz frequency range. The H804-4-0.900 (4-way, N-Female) is suited for...

APW Ltd.: Development System for PICMG 2.16 specification.(Brief Article)
March 1, 2002... APW announced a New Development System designed to support the newly adopted PICMG [R] 2.16 Specification. This development platform offers OEMs and developers a plug-in-play system to facilitate development programs based on this new standard....

Anritsu Company: W-CDMA Signaling Tester.(MD8480A )(Brief Article)(Product Announcement)
March 1, 2002... Anritsu introduces the MD8480A W-CDMA Signaling Tester, a solution that is used for verification of 3GPP W-CDMA mobile stations and mobile station chip sets. Simulating a W-CDMA base station, the MD8480A is used in the development phase to...

Maxwell Technologies, Inc.: analog to digital converter.(Brief Article)(Product Announcement)
March 1, 2002... Maxwell Technologies introduces the 9042 12-Bit monolithic analog-to-digital converter microcircuit, featuring a greater than 100 krad (Si) total dose tolerance. The 9042 runs off of a single 5 V supply and provides CMOS-compatible digital...

Atmel Corp.: embedded memory blocks.(Atmel T6816)(Product Announcement)
March 1, 2002... Atmel introduced a new member of its general-purpose BCDMOS load driver family based on the U6815BM. The new T6816 is extremely flexible and well-suited to drive actuators as well as lamps in a broad range of industrial applications. The IC is...

Integrated Microwave: 2.4 GHz ceramic diplexer.(Brief Article)
March 1, 2002... Integrated Microwave introduces a low-cost ceramic diplexer (Model No. 930073) operating in the 2.4 GHz band. Channel BW is 10 MHz, and loss is 2.5 dba. The 10 dB BW is 75 MHz. TX/RX isolation is 22 dB. This miniature diplexer offers 2 poles...

Toshiba America Electronic Components, Inc.: low power SRAMs.(Brief Article)
March 1, 2002... Toshiba America Electronic Components with its parent company, Toshiba Corporation, announced a new family of full-CMOS 8 megabit (Mb) Static Random Access Memory (SRAM) devices. These eight new low-power devices were designed utilizing 0.15...

Linear Technology Corporation: temperature compensated RF power detectors.(Linear Technology introduces the LTC5505-1 and LTC5505-2 )(Brief Article)(Product Announcement)
March 1, 2002... Linear Technology introduces the LTC5505-1 and LTC5505-2 RF power detectors in ThinSOT[TM] packages with >40 dB dynamic range for 300 MHz to 3 GHz applications. Each requires 60% of the PCB space needed by a discrete design, consumes 9 times...

ProTek Devices: subminiature monolithic TVS arrays for wireless handsets.(Brief Article)(Product Announcement)
March 1, 2002... ProTek Devices has introduced the CP Series, subminiature monolithic TVS arrays used for the protection of sensitive IC components from the effects of Electrostatic discharge (ESD). This series is designed for use in portable equipment, such as...

Chomerics, A Division of Parker Hannifin Corp.: EMI shielding gaskets.(Brief Article)(Product Announcement)
March 1, 2002... Chomerics has introduced Cho-Form [R] 5541 corrosion-resistant, form-in-place EMI shielding gasket material. Cho-Form 5541 gaskets provide EMI shielding and demonstrate galvanic corrosion resistance when dispensed on bare metal electronics...

Stanley Electric Sales of America: surface mount LED.(High Brightness 1105W LED )(Brief Article)(Product Announcement)
March 1, 2002... Designed with a unique dome lens, the new High Brightness 1105W LED from Stanley Electric is available in red (FR), orange (FA), yellow (FY), blue (DB), green (DG), or blue-green (DC) colors for use as a status indicator or in display...

Hitachi Cable Manchester, Inc.: internal and external cables.(Brief Article)(Product Announcement)
March 1, 2002... Hitachi Cable Manchester (HCM) announced its new SCSI Nex[Z.sub.0] series of internal and external cables, which meet or exceed SCSI Ultra 320 specifications. The new SCSI Nex[Z.sub.0] internal cable consists of flat, twisted pair cable, and...

Microchip Technology, Inc.: IrDA Protocol Stack Handler.(Brief Article)(Product Announcement)
March 1, 2002... Microchip Technology introduced the MCP2155 IrDA [R] Protocol Stack Handler ideally suited for Data Communications Equipment (DCE) applications. The MCP2155 employs patented technology that embeds the complex IrDA protocol stack, including the...

Tektronix, Inc.: signal analyzer.(CSA7000)(Product Announcement)
March 1, 2002... Tektronix announced a new class of communications signal analyzers (CSA). The CSA7000 Series' flagship product, the CSA7404, is a real-time digital oscilloscope that specifically addresses the design of high-speed electrical and optical systems...

Ericsson Microelectronics: Bluetooth baseband controller.
March 1, 2002... Ericsson released a new baseband controller chip. Pre-qualified to Bluetooth version 1.1, the PBM 990 90 will assist OEMs in the rapid development of Bluetooth products including mobile phones, PDAs and accessories. The new controller is...

Analog Devices, Inc.: power management devices.(ADP3338 and ADP3339)(Product Announcement)
March 1, 2002... Analog Devices (ADI) announced new additions to its any CAP [R] low dropout regulator (LDO) line of power management chips. The first pair is the ADP3338 and ADP3339 low dropout and high precision 1 amp and 1.5 amp LDOs. The ADP3338 and ADP3339...

Anderson Power Products: PCB connectors.(Mini-Powerclaw)(Brief Article)(Product Announcement)
March 1, 2002... Anderson Power Products (APP) introduces the newest addition to its Powerclaw [R] connectors series: the compact and robust Mini-Powerclaw connector. APP's Mini-Powerclaw is a printed circuit board (PCB) connector that is specially designed to...

Maxim Integrated Products: step down DC-DC converters.(Maxim Integrated Products MAX1920, MAX1921)(Abstract)(Product Announcement)
March 1, 2002... Maxim Integrated Products introduces the MAX 1920/MAX 1921 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. ...