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Oscillators

April 10, 2001 8:22 am | Comments

Bliley has just released its Model N45HP sub-miniature OCXO intended for optical switching systems and other Stratum 3 applications. The OCXO features 3.3 V PECL output at standard frequencies of 51.84, 77.76 and 100 MHz. Overall stability including temperature and aging is less than 4.6 ppm for 20 years; temperature stability is ± 0....

Overvoltage Protection Products

April 10, 2001 8:20 am | Comments

Bourns announced the North American introduction of the Totally Integrated Surge Protector (TISP) Telecom Overvoltage Protection products as part of the Bourns product line. Bourns obtained the TISP® product line through the acquisition of Power Innovations, Ltd The TISP products are specially designed to provide protection for telecommunications equipment in instances where high voltages occur as a result of lightning strikes, power l...

E-Core Transformers

April 10, 2001 8:17 am | Comments

API Delevan announces the introduction of four new sizes of PC mount ferrite, E-core transformers for use in switch mode power supply applications. Series 6655, 6656, 6657, and 6658 range in size from 0.750 L × 0.868 W × 0.625 H to 1.620 L × 1.359 W × 1.130 H. Transformers are constructed using a UL approved nylon bobbin and can be supplied in horizontal or vertical mount configurations....

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High Voltage Op Amps

April 10, 2001 8:15 am | Comments

Driven by new requirements to work with voltage supplies > 100 V and looking for output current > 1 A, design engineers may want to consider Apex's PA97, PA44 and PA46. These drivers are being applied in circuits such as the micro-mirror movement that is gaining rapid acceptance for optical switching....

Solid State RF Amplifier

April 10, 2001 8:10 am | Comments

Aethercomm P/N SSPA 1.25-1.35-30-2 is a high power, pulsed solid state RF amplifier for use in a Military Counter Mortar Radar System. This rugged PA is employed in the most stringent of operating environments. This SSPA offers a minimum gain of 25 dB operating from – 50 to 90 ° C. It has dual 30 watt minimum output ports while typically delivering almost 40 watts to the antenna....

RF Amplifier

April 10, 2001 8:08 am | Comments

Aethercomm P/N SSPA 0.118-0.137-100 is a high power, solid state RF amplifier for use in commercial or military avionics systems. This PA can be employed in any system where high gain, high power and excellent linearity are required. This unit has been optimized for Analog Voice, DSB AM, Analog MSK and 8 PSK modulation formats....

Frequency Doubler

April 10, 2001 8:06 am | Comments

Aethercomm P/N 10020-001 is an X to K Band Frequency Doubler. This frequency multiplier has an input frequency range of 8.8 to 9.6 GHz and an output frequency range of 17.6 to 19.2 GHz. The input power level is variable from 5 dBm to 14 dBm. Output power level is 12 dBm typical at each of the output ports....

Out- of- Channel Measurement on GSM Mobile Station

April 9, 2001 6:12 am | Comments

A new fast & accurate narrow-band measurement method to measure the GSM mobile's out of channel spectrum spectral energy. By Michael Leung, Agilent Technologies "The Output RF Spectrum (ORFS) due to modulation measurement is important because it defines how much a transmitter will interfere with other users....

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VSLI Lowers Costs: Chip Assembly Makes Bluetooth Solutions A Success

April 9, 2001 6:12 am | Wireless Design & Development | Comments

Chip assembly provides requirements to make Bluetooth a reality. By Dipl.-Ing. Wilfried Blaesner Market research institutions are predicting enormous success for Bluetooth applications. In just a few years they foresee a thousand million devices being fitted with the Bluetooth interface. For this vision to become reality, however, several requirements such as low costs, guaranteed interoperability, low power consumption and compact di...

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, rfee@cahners.com 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....

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