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2002-02-26 Fairchild optically-coupled SSRs feature 4kVrms isolation
The company's new line of SSRs consist of an AlGaAs infrared LED optically-coupled to a photovoltaic generator that drives a power MOSFET detector, and features 4kVrms isolation.
2002-12-11 Coherent acquires laser test equipment company
Coherent Inc. has signed a definitive agreement to acquire Molectron Detector Inc. for $11.5 million in cash.
2007-11-26 Camera pinpoints nuclear hotspots from afar
Sandia National Laboratories has developed a neutron detector that can spot nuclear hotspots from a distancepin-pointing which containers they should aim their gamma-ray detectors.
2014-08-08 Build wireless base station MIMO antennae (Part 1)
Here's a review of the relevant MIMO modes and technology, as well as the advantages of choosing a suboptimal maximum likelihood detector receiver over a minimal mean square error receiver.
2007-03-12 APN1012: VCO designs for wireless handset and CATV set-top applications
VCOs have come to the forefront of RF designs together with the first PLL circuits. In the era before the PLL, oscillators were mostly free running, and only in rare cases were varactors used for modulation or temperature compensation. Nowadays, we rarely see free running oscillators, instead they have become varactor-controlled oscillators. This is because most RF applications require band coverage, which can be realized through the PLL circuit requiring two sources of RF power. The reference source frequency is often a VCXO or TCXO, while the other frequency is controlled by the PLL phase detector.
2002-09-30 ADI chip combines direct digital synthesizer with DAC
The AD9858, combines a 1GSa/s direct digital synthesizer with a 10-bit, 1GSa/s DAC, 2GHz RF analog mixer, 150MHz phase frequency detector, and a programmable charge pump with proprietary fast-locking acquisition logic.
2008-05-26 60dB wide-dynamic-range, low-frequency AGC circuit using a single VGA
This application note describes a low-frequency AGC circuit using a wide dynamic range AD8336 VGA from Analog Devices as the gain control element, an AD736 rms-to-DC converter as the detector, a low cost rail-to-rail AD8551 op amp and an ADP3339 LDO as the reference.
2004-11-24 1.9GHz DECT power amplifier delivers +27dBm from 3.6V at 41 percent PAE
This app note describes the MAX2242, an ultra-low cost silicon bipolar power amplifier with integrated bias-circuitry, logic-level shutdown and power detector.
2002-01-09 Zarlink chipset splits, tunes, processes RF cable signals
The SL2150F/SL2101/SL2009 integrated chipset is designed for splitting, tuning and processing digital and analog RF cable signals.
2003-03-07 Yamaha decoders eye surround sound systems
Yamaha Corp. has announced the availability of a pair of decoder LSIs that can be used for a variety of surround sound apps.
2014-11-10 X-ray system inspects objects up to 722mm in diameter
The X8068 features high image quality, large-object inspection and two inspection concepts rolled into one unit. It also has intuitive operation and comprehensive analysis functions.
2011-05-16 X-ray application systems boast fastest live imaging
Nordson DAGE has launched its new Diamond FP and Ruby high-resolution X-ray inspection systems that claim highest real-time X-ray imaging.
2009-12-04 WLAN power amp consumes 391mA current
Microsemi has begun volume production of its LX5518 power amplifier for IEEE 802.11b/g/n WLAN applications in the 2.4GHz to 2.5GHz frequency range.
2009-08-05 WLAN PA delivers ultrahigh linear output
SST Communications has rolled out the SST12CP11 2.4GHz WLAN power amplifier (PA), which doubles the output power previous models.
2008-08-22 Wireless transceiver improves packet channels
Amiccom has launched A7125 with a 2Mbit/s data rate and high performance 2.4GHz transceiver IC having an ideal transmission distance within 50m. The A7125 is an ultralow power wireless FSK transceiver having a working frequency of 2400?2483MHz ISM band.
2008-01-30 Wireless ICs simplify radio design, cut costs
Integration Associates has released it EZRadioPRO wireless ICs designed to allow customers to meet upper-end performance characteristics while reducing the design and BOM cost.
2007-11-08 Winged MEMS keep dust away
Omron claims to have solved the problem of dust and particulate for MEMS airflow sensors with an innovative mechanical architecture that resembles a penguin with outstretched wings.
2006-03-06 WiMAX PA delivers high throughput
Sirenza's new high linearity power amplifier enables connectivity and high throughput in WiMAX customer premises equipment, access points and base station equipment.
2009-02-26 Will DisplayPort get a second chance?
With the of widespread emergence and popularity HDMI, why is there more than 180 computer and consumer electronics companiesand countingactively supporting DisplayPort, another audio/video interface standard?
2009-08-07 Wide-temp optical sensors geared for automotive apps
Vishay has extended the temperature range of its AEC-Q101-qualified TCPT1300X01 and TCUT1300X01 surface-mount transmissive optical sensors for the automotive market.
2006-07-20 Wi-Fi RF front-end chip reduces size, cost
Slated for Wi-Fi systems compliant with the IEEE-802.11b/g spec, the new RF front-end module from SiGe Semiconductor promises to cut system-level integration cost by about 15 percent.
2008-04-22 Wi-Fi gets a lift with SiGe's PA
SiGe Semiconductor's SE2587L power amplifier delivers excellent linearity at transmit power levels of +19dBm in 802.11g mode and +24dBm in 802.11b mode.
2010-06-22 Wi-Fi front-end module simplifies dual-band apps dev't
RFMD's RF5608 Wi-Fi RF front end module delivers integration and full final testing to reduce size, simplify development and lower overall cost in high-performance, dual-band applications.
2014-09-02 What's switching: Nine takeaways from Hot Interconnects
The event sizzled with announcements and discussionsFacebook introduced its high-profile switch, critics attacked Ethernet's shortfalls, experts scrutinised Wi-Fi, and silicon photonics took centre stage.
2015-11-05 What PNI sensor does differently with other MEMS makers
PNI Sensor develops devices that have the ability to create custom sensor-fusion recognition algorithms to differentiate products and still pass Google's rigorous compatibility test suite (CTS).
2003-04-28 WEDC Flash memory saves 70 percent of board area
The W72M64V-XBX 3.3V Flash memory from White Electronic Designs Corp. is packaged in a 13-by-12mm, 159 PBGA package.
2003-04-16 WEDC Flash memory offers simultaneous R/W operation
The W72M64XV-XBX 2Mx64, 3.3V Flash memory device from White Electronic Designs Corp. allows simultaneous R/W operation.
2003-02-17 Wavelength shifting hikes fiber capacity
An alternative to WDM is WSM, where channels may be safely multiplexed into a single fiber and demultiplexed into separate channels at the receiver.
2006-02-06 Voltage comparators deliver high output
Advanced Linear Devices added two quad voltage comparators to its precision monolithic high performance line that are said to provide a 0.24A output drive.
2009-10-21 Voice switch saves space in two-way talk apps
The switch includes amplifiers for the power, receiver, line and microphone and a sending/receiving attenuator.
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