Wireless Design & Development articles from January 2002

Wireless Design & Development archives from January 2002

Compromise is the name of the game. (Upfront).(development of next-generation handsets)(Column)
January 1, 2002... Compromise is a fact of life. To meet our needs in every aspect of our lives, we have to make compromises. We have to be willing to make compromises in order to achieve our goals, or we will never get anywhere. Compromise can be a good thing...

Liquid crystalline polymer materials. (Full Spectrum).(ZYVEX TeraClad)(Brief Article)
January 1, 2002... Rogers introduces the first of its new ZYVEX[TM] liquid crystalline polymer circuit materials for high performance electronics where high frequency, chemical resistance, and fine line high density interconnect (HDI) requirements are critical....

GHz wireless OEM module. (Full Spectrum).(MaxStream's 24XStream)(Brief Article)(Product Announcement)
January 1, 2002... MaxStream, Inc. adds the 24XStream, a 2.4 GHz module, to its XStream family of smart wireless products. Smaller than a credit card, the 24XStream is designed to provide OEMs wireless connectivity in the mostly worldwide, license-free, 2.4 GHz...

Right angle BNC connectors. (Full Spectrum).(Brief Article)
January 1, 2002... These 75-ohm right angle BNC connectors from Molex RF/Microwave Connector Division maximize performance and space for a variety of RF applications. These BNC connectors are designed for applications operating from DC to 2 GHz, including data...

PLL for MMDS market. (Full Spectrum).(Brief Article)(Product Announcement)
January 1, 2002... Z-Communications introduces a new phase-locked loop (PLL) module for the MMDS market. The PSN2710A is designed to cover 2670 to 2740 MHz with a 1 MHz step size while delivering remarkable phase noise performance. This innovative PLL offers a...

Development board supports PLD. (Full Spectrum).(Nova Engineering's Constellation-20KE Development System)(Product Announcement)
January 1, 2002... Nova Engineering, Inc. introduces the Constellation-20KE[TM] Development System supporting Altera's one million logic gate PLD (Programmable Logic Device). This new Constellation-20KE expands Nova Engineering's wide selection of feature-rich...

Advanced Mn[O.sub.2] technology & tantalum dielectric produce superior capacitors. (Designer's Corner).
January 1, 2002... One common trend in switch-mode power supply, microprocessor, and digital circuit applications is to achieve reduced noise while operating at higher frequencies. To this end, a new generation of low ESR tantalum chip capacitors has been...

MAXRAD, Inc.: WLAN antenna line.(Product Announcement)
January 1, 2002... MAXRAD announces its new XtremeWave[TM] line of antennas for wireless broadband access and wireless LAN applications. These antennas are designed to provide efficiency, flexibility, and performance for virtually any indoor or outdoor wireless...

Trompeter Electronics: miniature BNC connector.(Product Announcement)
January 1, 2002... Trompeter Electronics announced the introduction of the UCBBJR250-G, a new right-angle, miniature BNC connector designed to address the issue of reducing size and improving density of OEM equipment. This addition to Trompeter's 250 M-BNC Series...

Hittite Microwave Corp.: GaAs Power Amplifier.(Brief Article)(Product Announcement)
January 1, 2002... Hittite Microwave introduces a highly efficient Heterojunction Bipolar Transistor (HBT) MMIC Power Amplifier, which operates between 3 and 4 GHz, and is packaged in a low cost, surface mount 8 leaded MSOP package with an exposed base for...

Bird component products: portable attenuators.(600-A-QFFN Series)(Brief Article)(Product Announcement)
January 1, 2002... Bird announces a new series of portable, dry attenuators with Quick Change (QC) connectors. The 600-A-QFFN Series is rated at 600 watts over a frequency range of DC to 2.4 GHz. VSWR is 1.1:1 maximum to 1 GHz and 1.23:1 maximum to 2.4 GHz....

ATDI: spectrum administration software.(Brief Article)(Product Announcement)
January 1, 2002... To make optimum use of radio frequencies without disturbing other users, the research laboratories of ATDI have developed a software solution called ICS Manager. The function of ICS Manager is to manage the radio frequencies used by all types...

Dow-Key Microwave Corporation: Micro Miniature Bypass coaxial switch.(Brief Article)(Product Announcement)
January 1, 2002... Dow-Key Microwave's Micro Miniature Bypass Switch (P/N 411F-2308) performs from DC to 3 GHz with upgrade capability to 18 GHz. DC Characteristics include 22-32 V DC (28 V DC nominal operating current is 250 mA typical @ 20 [degrees] C)...

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

California Eastern Laboratories: Single Pole Double Throw RFIC switch.(Brief Article)(Product Announcement)
January 1, 2002... California Eastern Laboratories (CEL) has added another miniature Single Pole Double Throw (SPDT) switch to its line of NEC GaAs RFICs. The UPG2006TB features low, 1.8 V control voltage making it ideal for use in next generation cellular...

Microchip Technology, Inc.: low dropout regulator.(Brief Article)(Product Announcement)
January 1, 2002... Microchip Technology released its new 80 mA low dropout regulator (LDO) in a space-saving SC-70 package. Referred to as the TC 1016, the device offers low dropout voltage (200 mV at 80 mA) and low supply current (60 uA), therefore significantly...

Tektronix, Inc.: oscilloscope with debug and analysis capabilities.(Product Announcement)
January 1, 2002... Tektronix announced a new oscilloscope that provides engineers designing high-speed digital systems with advanced debug and analysis capabilities. The TDS6604 digital storage oscilloscope is Tektronix' second generation, high-performance...

Micronetics VCO products Division: miniature voltage controlled oscillator.(Brief Article)
January 1, 2002... The model MW314 covers 2132 - 2225 MHz while requiring only 0.5 to 3.0 volts tuning and a supply of only +3.0 volts at 20 mA. Package size is only .300" sq. x 0.075" high. The VCO provides +7 dBm typical output power with a phase noise level of...

Helix/HiTemp Cables, Inc.: high speed coaxial cable.(Draka DBC Broadband Cables)(Brief Article)
January 1, 2002... A new high speed, low-loss 50 ohm RF coaxial cable for use in wireless communication systems and related applications is being introduced by Helix/ HiTemp Cables. Draka DBC Broadband Cables feature a polyolefin insulation system, with gas...

Power supply for CompactPCI systems. (Power Supplies).(Product Announcement)
January 1, 2002... Tracewell Power introduces the TTX Series of power supplies. The series includes a 400 watt 3U, 1-slot power supply and a 700 watt 6U, 1-slot model for CompactPCr systems. Providing high-density, high-efficiency and reliability all within...

DC power supplies. (Power Supplies).(Brief Article)(Product Announcement)
January 1, 2002... IFR Systems announced availability of two new power supplies: the Kikusui PAN600-2A and PAN350-3.5A. The PAN600-2A is a replacement for the existing Kikusui PAD500-2L and PAD600-1.5L models. The PAN350-3.5A is a new product. Both the PAN600-2A...

Three phase power supply. (Power Supplies).(Product Announcement)
January 1, 2002... Phoenix Contact now offers an internationally approved industrial three-phase QUINT POWER Supply with 20 A output. This compact 24 V DC power supply features a wide range input suitable for the North American (3 X 480 V) and European (3 x 400...

High density switching power supplies. (Power Supplies).(Product Announcement)
January 1, 2002... A new series of highly compact hot swap, 200 watt power supplies -- in a 1U high package that provides system designers the maximum flexibility in placing system power -- has been introduced by Deltron. The new L Series AC/DC power supplies...

Emerging 3G CDMA services generate performance analysis challenges: to ensure rapid, reliable deployment, CDMA2000 manufacturers and service providers must evaluate the new devices equipped with 3G features. (3G Test Equipment).
January 1, 2002... The deployment of the next-generation CDMA2000 1xMC air interface is underway and provides the ability for network operators to offer 3G services. While the initial benefit driving operators to rapidly deploy CDMA2000 1xMC (known commonly as...

Nextec Microwave & RF, Inc.: broadband amplifiers.(Brief Article)
January 1, 2002... Nextec Microwave & RF introduces its high quality, linear output broadband amplifiers covering a wide range (2 - 18 GHz, 6 - 18 GHz, 18 - 26.5 GHz, and 26 - 40 GHz) designed to fit within a small housing with connectors for commercial,...

Universal Air Filter: air filters.(Brief Article)
January 1, 2002... Universal Air Filter has introduced new heat exchanger air filters that are NEBS-compliant for telecommunications enclosure applications. Heat exchanger technology allows telecom equipment design engineers to reduce reliance on conventional air...

Synad Technologies Limited: wireless dual mode chipset.(Brief Article)(Product Announcement)
January 1, 2002... Synad Technologies announced Mercury5G, a complete dual mode chipset, which makes it possible to build dual standard wireless local area networks (WLANs). The Mercury5G chipset will enable a new breed of client interface products that can...

Millimeter-wave technology in automobile safety systems: increased use of millimeter-wave radar technology in automobile safety systems creates the need for improved test systems. (Millimeter Wave Technology).
January 1, 2002... Microwave and millimeter-wave radar technology is being used on automobiles for various functions, including Collision Warning/Avoidance (CW/A) and Adaptive Cruise Control (ACC). The increased use of radar technology is due to its advantages...

C.E. Precision Assemblies, Inc.: quick disconnect connectors.(Brief Article)(Product Announcement)
January 1, 2002... C.E. Precision Assemblies has developed a series of high power quick disconnect connectors and adapters called HPQD. They follow the concept of the SMP (GPO) connectors and are rated to 300 watts, CW at 7 GHz. The connectors are HPQD(M),...

Toko America: voltage regulators.(Brief Article)(Product Announcement)
January 1, 2002... TOKO America announces the TK717 series of low dropout (LDO) voltage regulators for use in portable communication devices. Features include an operating voltage range of +1.8 V to 14 V and an output voltage range of 1.5 V to 5.0 V. This device...

Texas Instruments, Inc.: audio amplifier.(Product Announcement)
January 1, 2002... Texas Instruments introduced a 17 W Filter-Free Class-D audio amplifier that enhances audio fidelity while maintaining high efficiency. The new device requires no external filter components like previous Class-D audio amplifiers and no heat...

Spinner North America: low intermod jumper cables.(Brief Article)
January 1, 2002... Spinner North America's new high performance Corrugated Jumper Cable assemblies feature -155 dBc intermod and a VSWR of 1.07:1 @ 900 MHz. Operable to 2.4 GHz with standard and superflex 1/4", 3/8" and 1/2" diameter cables. IP-68 rated for...

CII Technologies, Inc.: microwave frequency relays.(MW3HP, MW4HP and MW6HP)(Brief Article)
January 1, 2002... CII Technologies has developed the MW3HP, MW4HP and MW6HP, high performance microwave frequency relays with 3, 4 and 6 GHz capabilities respectively, offering extended temperature ratings of -65 [degrees] C to 125 [degrees] C. Applications...

Tiny filter-free Class-D audio power amplifiers for Wireless handsets: enabling smaller phones with more features and audio output. (Next Generation ICS).
January 1, 2002... Just a few years ago, integrated class-D amplifiers were in large packages, had many external components and required large LC filters. Two years ago a filter-free modulation scheme was developed to eliminate the LC filter, which dropped the...

Avcom-Ramsey Technologies, Inc.: dual input portable spectrum analyzer.(Product Announcement)
January 1, 2002... Avcom-Ramsey Technologies has released the new PSA-45DSI, the latest addition to the PSA-45 series of lightweight spectrum analyzers for antenna alignment and L-band signal monitoring. This new analyzer features dual input which allows...

Signal Processing Technologies: digital to analog converter.(Brief Article)(Product Announcement)
January 1, 2002... Signal Processing Technologies (SPT) announces the SPT5420, an octal 13-bit, parallel input, voltage output, digital-to-analog converter (DAC) tailored for automatic test equipment. The SPT5420 features very low power dissipation (195 mW),...

Palomar Technologies: automated line for optoelectronic packages.(Brief Article)
January 1, 2002... Palomar Technologies has designed and integrated a complete automated line for the production of optoelectronic packages. Depending on the package design and requirements, the line integrates Palomar's wire bonders and Palomar's brand new...

JST Corporation: low profile connector.(Brief Article)(Product Announcement)
January 1, 2002... The Series SHL connectors introduced by JST have an extra-low profile of 1.4 mm (.055") for offset mounting and 1.8 mm (.071") for normal PCB mounting. These 1.0 mm (.039") pitch, side entry, SMT connectors are ideal for super high density...

AVX Corporation: transient voltage suppressors.(Brief Article)(Product Announcement)
January 1, 2002... AVX introduced a dual-element 0405 MultiGuardr multilayer ceramic transient voltage suppression array. This line of surface mount chips offer the equivalent of two separate 0402 varistors, or four back-to-back diodes with two EMI capacitors....

MAXRAD, Inc.: sectorized omnidirectional antenna.(Brief Article)
January 1, 2002... MAXRAD announces an antenna solution for 2.4 GHz ISM wireless internet coverage issues. The new XtremeWave[TM] MSO24014-PTNF all terrain sectorized omnidirectional antenna is designed to provide pattern shaping flexibility to wireless internet...

Harwin, Inc.: Coax Connectors.(Brief Article)
January 1, 2002... Harwin launched a range of Micro-Miniature Coax Connectors (MMCX) to support the increasing demand for smaller RF applications. Ideally suited to densely populated electronic packages, the MMCX series provides significant space savings, whilst...