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Test Methodologies for Evaluating Broadband W-CDMA Receiver Designs

April 9, 2001 6:10 am | Comments

3GPP has defined a new suite of tests to evaluate W-CDMA. By Cliff Bailey, Spirent Communications Wireless broadband technologies continue to advance and mature at a remarkable rate. Wideband Code Division Multiple Access (W-CDMA) mobile radio networks promise higher data throughput, increased capacity, and seamless worldwide roaming on wireless networks....

Wireless Symposium 2001: Show Wrap-Up

April 6, 2001 12:30 pm | Comments

Industry Converges upon San Jose for Wireless Symposium By Robert Fee, Associate Editor, The Wireless Portable Symposium & Exhibition, in the past, has been one of the industry's larger gatherings. And when 372 companies in 660 exhibitor booths and more than 4,800 wireless engineers, designers, developers, managers, and executives convened upon San Jose, CA February 12-16 for this years event, it was assured that ...

VCO with Low Current Draw

April 6, 2001 11:45 am | Comments

Trak Microwave has designed and developed a new VCO (voltage controlled oscillator) Model 10-802-4003 for wireless handheld radios that is available in dual band frequencies from 700 - 1600 MHz. This surface mount VCO has a very low current draw at 13 mA typical and phase noise at – 115 dBc typical at 10 kHz, resulting in improved adjacent channel rejectivity....


GPS Antennas

April 6, 2001 11:45 am | Comments

MAXRAD introduces a new GPS antenna series specially designed to provide higher gain and versatility to their users. The new and improved active GPS (AGPS) will supersede other GPS antenna lines previously supplied by the company. Featuring a low profile microstrip patch design, the new series provides cutting-edge receive and transmit technology....

Hybrid Coupler

April 6, 2001 11:45 am | Comments

Anaren Microwave, a manufacturer of microwave signal distribution networks and wireless components, has introduced the Xinger® 2A1306-3 surface mount 3 dB hybrid coupler for use in high-power applications within a broad 1.8 - 2.5 GHz bandwidth. The high-power Xinger is designed for power combining in applications ranging from DCS, PCS, W-CDMA, UMTS, ISM and the 2....

Bluetooth PA for 2.4 GHz ISM Band

April 6, 2001 11:45 am | Comments

The PA2423 is a monolithic SiGe (Silicon-Germanium) high efficiency power amplifier for the 2.4 GHz ISM band. The PA boosts class II Bluetooth radios to power class I, 100 m range applications. It delivers 23.5 dBm output power with 45 percent power added efficiency when operated in a class AB mode....

MMDS Fixed Wireless Transceiver

April 6, 2001 11:45 am | Comments

The MMDS fixed wireless transceiver carries high-speed two-way data for fast Internet access, interactive video/voice and telephone. This unit is designed to accommodate Data Over Cable Service Interface Specification (DOCSIS) or other customer specified plans. The transceiver will deliver a transmitter output power of 20 dBm into the 50 ohm antenna port and provide a receiver IF output level of – 30 dBm into a 75 ohm connector....

Receiver ICs

April 6, 2001 11:45 am | Comments

TriQuint Semiconductor has unveiled its latest in a series of Gallium Arsenide (GaAs) TDMA-mode monolithic receiver ICs. The TQ5122 cellular frequency band receiver and the TQ5622 PCS band frequency are complementary devices specifically designed for use in IS-136/TDMA handsets in both the U.S. cellular and PCS frequency bands....


Complete Software Radio Solution

April 6, 2001 11:45 am | Comments

Pentek, Inc. has announced one of the first digital upconverter and D/A VIM-2 (Velocity Interface Mezzanine) modules in the industry, allowing engineers to generate wideband analog IF signals in real time right from a DSP. The Model 6229 is ideal for radio transmission and can be combined with any Pentek TMS320C6x digital signal processor board and digital receiver to build a complete, low-cost transmit and receive software radio system....

Dual-Band RF Synthesizer

April 6, 2001 11:45 am | Comments

Silicon Laboratories has announced the Si4133G Dual-Band RF Synthesizer featuring settling times under 150 μs and support of the General Packet Radio Services (GPRS) requirements for GSM/DCS1800 mobile phones, enabling wireless data transfer rates that are equivalent to a V.90 modem. The synthesizer provides a complete CMOS RF synthesizer in a single low-profile, small-outline 24-pin package....

Millimeterwave Amplifier Family

April 6, 2001 11:45 am | Comments

The AB0228H1-14 and AB038H1-14 are high gain amplifiers designed for 23 - 30 GHz and 36 - 41 GHz, respectively. The AB028H1-14 features 36 dB gain, 16 dBm output power and 3 dB noise figure. The AB038H1-14 offers 30 dB gain, 16 dBm output power and 4 dB noise figure. Both amplifiers operate from a single voltage supply, thereby simplifying bias requirements....

WLAN Chipset with Low Power Consumption

April 6, 2001 11:45 am | Comments

Intersil Corporation's PRISM II WLAN chipset, a highly integrated 11 Mbps "Antenna-to-Computer" solution for WLANs, is now in full production and available for sampling. The chipset is completely re-engineered from the original PRISM chipset, with 50 percent lower power consumption and a 35 percent reduction in total bill-of-materials cost for a WLAN card....

Ultra Miniature Coaxial Connectors-UMP Series

April 6, 2001 11:27 am | Comments

Radiall is pleased to launch the next generation of SMT coaxial connectors. The main interest of this product line called MMP (Micro Miniature Pressure contact) is cost reduction thanks to innovative technology. Included in the MMP product line, the UMP series (Ultra Miniature Pressure contact) features 2 mm high mated connectors (board to board cable link)....

Ultra Miniature Coaxial Connectors

April 6, 2001 11:27 am | Comments

Radiall is pleased to enlarge the next generation of SMT coaxial connectors. The main interest of this product line is called MMP (Micro Miniature Pressure contact) is cost reduction thanks to an innovative technology. The IMP series (Interconnect Micro miniature Pressure contact) is designed for board to board connections....

GSM Direct Conversion Radio Chip Set

April 6, 2001 11:27 am | Comments

Analog Devices' Othello™, a GSM (Global System for Mobile Communications) direct conversion radio set, features a revolutionary radio architecture that provides 30-50 percent savings in cost and size for the next generation of dual-band and triple-band GSM phones. Consisting of the AD6523 transceiver and the AD6524 synthesizer, Othello allows incoming signals to be "directly converted" to baseband, thus eliminating the need fo...


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