4-A Chips Charge Smart-Phone Li-Ion Batteries
MD&D News Staff
Trumpeted as the first monolithic, 4-A Li-ion battery charger ICs, Summit Microelectronics’ configurable SMB349 and SMB359 operate from a 3.6-V to 16-V input range...
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High-inductance chokes handle high voltages
Gowanda Electronics has introduced a series of RF surface-mount inductors for use in the lighting industry and other applications where high-voltage handling capability is required...
Microwave resistors come in sample kits
In response to demands of design engineers, TT electronics IRC Advanced Film Division has developed a sample kit of its ball grid termination arrays, attenuators and discrete terminators, which deliver high-frequency performance in commercial and military communication systems, industrial equipment, medical systems and automotive assemblies...
PCB plotter delivers prototyping speed, accuracy and ease-of-use
LPKF Laser & Electronics has released its ProtoMat S62 circuit board plotter that delivers advanced PCB prototyping capabilities at an entry-level price, significantly reducing board production time while increasing overall accuracy and ease-of-use...
COTS continues to serve military needs
The Department of Defense's (DoD) NxTest initiative was driven by goals to reduce the total cost of ownership of DoD automatic test systems (ATS), cut...
Analyzing sigma-delta ADCs in deep-submicron CMOS technologies
Sigma-delta analog-to-digital-converters are critical components in wireless transceivers. This study shows that a continuous-time, single-loop, single-bit SD ADC is suitable for wireless applications demanding less than 5 MHz conversion bandwidth. On the other hand, for applications that require bandwidth conversion higher than 5 MHz, the use of a CT single-loop, multibit SD ADC is recommended....
Rad-hard SSRs offer alternative to EMRs in satellite applications
Satellite and launch vehicle applications traditionally use electromechanical relay technology in many of its control systems...
CDMA2000 Design and Performance Requirements
Various heterodyne solutions have continued to flourish through incarnations of transceiver designs, each generation adding new control loops or components to improve the architectures. While communications standards such as CDMA2000 provide challenging performance requirements, the trends are for deep cost reduction, highly integrated solutions and flexibility....
Researchers demonstrate 25 Gbps data transmission over backplane connectors
Using novel duobinary signaling architecture and FCI's AirMax VS connector system, researchers at Lucent Technologies' Bell Labs have successfully demonstrated...
Dual-channel 16-bit 500 Msps DAC targets 3G wireless base stations
Aiming to widen its presence in the 3G wireless infrastructure space, Texas Instruments has unwrapped its next generation, high-performance digital-to-analog...
Wafer-scale integration brings low cost and a small footprint to active antenna arrays
Fabricating a 256-element steerable antenna array on an eight-inch wafer is quite a feat, given the multitude of issues—steering the antenna, optimizing the RF paths and the like. By addressing these and other matters, one at a time, it becomes clear that realization is well within reach....
NxTest and the development of synthetic instrumentation
You may have been hearing the term synthetic instrumentation used lately to describe a new test system architecture...
Cellular system solution powers Samsung's mobile handsets
Royal Philips Electronics has taken its EDGE cellular system solution to production. According to Philips, Nexperia cellular system solution 6100 family...
Products
Gain block MMIC Hittite Microwave has introduced a versatile gain block, monolithic microwave integrated circuit (MMIC) amplifier covering dc to 5 GHz....
Compact radio solution targets GSM/GPRS/EDGE terminals
Freescale Semiconductor has readied an RF subsystem that combines a transceiver (MMM6000) and front-end power amplifier module (MMM6027) to create a complete...
Active mixers offer exceptional linearity
Two new RF active mixers from Linear Technology feature low power and high performance, making them suitable for wireless infrastructure transceiver and...
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