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2003-10-22 Quellan preps noise canceler chip
Quellan Inc. will announce an analog noise-cancellation chip that supports 5Gbps and 6.25Gbps backplane designs at the IMAPS 2003 symposium
2007-09-10 Noise canceller improves cellphone signal sensitivity
Based on Quellen's patented CSP noise canceling technology, the ultrasmall CMOS noise canceller cancels unwanted RF interference to improve cellphone signal receiver sensitivity.
2007-01-16 Noise canceler IC suits DVB-H, cellular handsets
Quellan brings noise cancellation to consumer platforms with Q:Active, extremely small noise-source emulation chips intended for handsets designed for mobile broadcast video
2010-09-16 New HVIC choices offer improved noise immunity and performance
Fairchild Semiconductor delivers high-voltage gate driver solutions which offer improved noise immunity and increased performance, while being pin-compatible to solutions currently available
2001-05-08 Implementing an adaptive noise canceling system to enhance sonar receiver performance using the TMS320C31 DSP
This application note describes how to implement a noise cancelling solution using Texas Instruments' TMS320C31 DSP to enhance the performance of sonar receivers
2010-08-06 ASIC boasts digital ambient noise cancellation
Wolfson Microelectronics plc has started to sample what it claims is the industry's first commercially available digital ambient noise canceling (ANC) ASIC.
2012-06-25 Active noise sol'n integrates speaker driver ICs
The AS3421 and AS3422 single-chip active noise cancellation devices are designed for Bluetooth-enabled headsets, headphones and earpieces
2009-04-07 Bluetooth headset is microphone-free
SMK has developed a full-duplex system microphone-free Bluetooth headset featuring an earphone unit that functions both as an earphone when listening and as a microphone when talking.
2010-05-31 ANC ICs enhance mobile headphone listening
austriamicrosystems is rolling out a duo of active noise canceling (ANC) ICs for mobile accessories such as headphones.
2011-11-03 ANC ICs aimed for wired/wireless headsets
austriamicrosystems' ICs tout 20 percent longer battery life and 10dB positive SNR.
2003-12-09 Kingstate device targets communication apps
Suitable for electronic appliances, multimedia devices, PDAs, digital still cameras and other communication products, the electret condenser microphones and miniature microphone units from Kingstate Electronics Corp. have a low start voltage and sensitivity of 38dB to 46dB. With a omnidirectional, noise canceling and unidirectional directivity, the product features a frequency range of 20Hz to 20kHz, standard operation voltage of 1Vdc, and current consumption of 0.2mA.
2005-03-16 Driver ICs 'best' for consumer apps
Fairchild's two new half-bridge gate driver ICs tout highly reliable and efficient operation, high noise immunity and the industry's most stable operation versus temperature
2011-03-03 ADI quad sensor cancels out erroneous signals
ADI's quad-differential sensor has four proof masses that prevent MEMS gyroscopes from sensing movement that is not really there, thereby canceling out erroneous signals
2002-11-19 World Ind. omnidirectional microphone consumes 0.5mA
The WD-06L omnidirectional electret condenser microphone of World Ind. Co. Ltd (Hui Zhou) operates from a 2Vdc source while drawing 0.5mA.
2000-02-01 The future of mixed-signal design
I hear two contradictory things regarding mixed-signal IC design. One set of voices says the systems-on-chip (SoC) of the future will be large mixed-signal systems, and the proportion of these being built will double from about 33 percent currently to 66 percent by 2005. The other set of voices says everything will be big digital chips constructed in ever-deeper submicron CMOS, in that the ASICs of the future will use as many 15 million logic gates, but that the analog and mixed-signal circuitry will be left off-chip.
2012-06-06 ST plastic MEMS mic brings sleeker gadget design
ST claims that its novel microphone-assembly process ensures superior electrical and acoustic performance, unbeatable mechanical robustness and slimmer form factors.
2011-01-21 Smartphones raise importance of high-performance analog, mixed-signal ICs
Smartphones have raised the importance of high-performance analog and mixed-signal ICs, and necessitated the development of high-integration power management chips that integrate all power, charging, interface and analog functions.
2010-06-10 iPhone 4 equipped with MEMS gyroscope
Confirming earlier speculation, Apple Inc. has unveiled the iPhone 4 smart phone sporting a MEMS gyroscope.
2009-08-12 Intersil buys analog IC designer
Intersil Corp. has signed a definitive agreement to acquire analog signal processing IC designer Quellan Inc.
2005-06-01 How to drive switching devices without losing speed
This article describes a high-voltage process for the high-side gate driver IC and the conventional high-side driver topology, and also addresses the driver IC problems
2012-04-16 Fairchild's gate driver ICs target hybrid EV apps
The FAN7171can drive high speed MOSFETs and IGBTs that operate up to 500V, while the FAN7190can drive MOSFETS and IGBTs that operate up to 600V.
2007-10-17 Codec touts power management, 'no compromise' audio
Wolfson Microelectronics has started sampling the first device in a planned family of power management products that are part of the Edinburgh, Scotland-based company's AudioPlus strategy.
2006-10-09 CMOS sensor enables ultraslim camera phones
OmniVision's sixth-generation CameraChip sensor enables a 25 percent thinner camera module, making it a good fit for ultraslim handset designs.
2012-06-04 CameraChip sensors catch 4K2K video
OmniVision Technologies' OV16820 and OV16825 16MP CameraChip sensors support 16MP burst photography Quad Full High Definition.
2008-05-19 Cable tester includes voice control function
CAMI Research has released new software for its CableEye cable and wire harness tester that allows production engineers to use synthetic speech and voice recognition for hands-free operation.
2007-07-06 Ballast ICs save space in CFL, LFL lightning apps
Fairchild Semiconductor introduces FAN7710/FAN7711 devices that promise to save board space and reduce component count in CFL/LFL lighting applications.
2009-05-19 Audio codec packs dual ADC paths, digital voice filters
From Maxim Integrated Products comes the MAX9860, a low-power, mono audio codec with dual ADC paths and programmable digital voice filters.
2012-01-12 Atmel rolls MCUs for next-gen touchscreens
Atmel has rolled out at theCES its maXTouch S Series family, the company's third generation touchscreen controllers, featuring two new homegrown technologies.
2010-06-09 5Mpixel sensor brings 1080p HD video to handsets
From OmniVision Technologies Inc. comes a complete 5Mpixel SoC camera solution aimed at penetrating the high-volume autofocus camera phone market.
2012-05-22 Various ways of controlling EMC
Hardware engineers should deal with electromagnetic compatibility during the pc board design phase to ensure a system free of EMC faults.
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