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2005-11-21 Zarlink AEC reduces noise in hands-free communication apps
Zarlink's new acoustic echo canceller improves voice quality and reduces noise in hands- free communication applications
2007-07-04 Video filter removes glitch noise, extends battery life
Intersil Corp. has introduced the ISL59118, a 9MHz, dual-channel, low-pass filter that eliminates video glitch noise associated with the use of video DACs
2006-10-05 VCOs deliver 'excellent' phase noise performance
Hittite Microwave's new VCOs are said to exhibit excellent phase noise performance up to -116dBc/Hz at 100kHz over temperature, shock and process variations
2007-03-06 Ultralow-noise LDOs enable 3.9mm? solution size
Maxim's ultralow-noise, 150mA LDOs are available in a 1-by-1.5-by-0.8mm ?DFN package that enables a total solution size as small as 3.9mm?, including external components.
2003-05-30 Two-piece processor removes 'noise' from images
A Silicon Valley company has developed a two-piece image processor chip set that removes noise from image files in digital cameras
2010-06-24 TV tuner boasts 3.8dB noise figure at 210mW
From Maxim Integrated Products comes the MAX2136 digital terrestrial TV tuner that achieves a low noise figure of 3.8dB while only consuming 210mW
2012-04-16 TI's power converter touts noise reduction by 99
The 1A QuietSupply step down voltage regulator claims to maximize the performance of precision data converters, amplifiers and clock distribution circuits in noise-sensitive designs
2005-07-01 TI offers new jitter cleaner with 'lowest phase in class noise
Texas Instruments Inc. recently unveiled a clock synthesizer and jitter cleaner that offers one of the lowest phase noise and jitter in its class. According to the company, this new product addresses customers' growing requirement for higher performance and increased design flexibility in applications such as 2.5G/3G wireless base stations, data communications, medical imaging, and test and measurement
2005-01-18 TI audio power amplifier with 80% lower noise floor
TI introduced a high-performance, filter-free stereo Class-D audio power amplifier.
2011-12-21 Synthesizer touts -226dBc/Hz in-band phase noise
The LTC6945 comprises a reference buffer, a reference divider, phase-frequency detector with phase-locked indicator and an ultralow noise programmable charge pump
2009-07-09 Synthesizer provides noise
National Semiconductor Corp. has announced what it claims is the industry's lowest-noise, fully integrated frequency synthesizer, the PowerWise LMX2541
2004-12-13 Switching regulator provides low noise, high efficiency
The MIC2203 from Micrel is a high efficiency 1MHz PWM synchronous buck switching regulator that features low noise constant frequency PWM operation
2005-05-26 Supertex PWM controller IC uses low noise boost-buck topology
The new HV9930 from Supertex is a variable frequency PWM controller IC designed to control an LED lamp driver using a low noise boost-buck topology
2009-04-03 Step-up converter delivers low-noise output
Maxim Integrated Products has launched the MAX15031, a constant-frequency, PWM step-up converter designed for low-voltage systems that require a locally-generated high voltage.
2007-09-12 Satellite TV tuner needs no external LNA
To reduce total solution size and cost, Maxim's new satellite TV tuner provides an 8.0dB noise figure and a -75dBm to 0dBm dynamic range, thus eliminating the need for an external LNA.
2009-04-30 Resonant controller ensures noise immunity
Fairchild Semiconductor has introduced the FAN7621 resonant controller that simplifies design, reduces BOM and provides advanced protection functions in LCD and PDP TVs, servers, game consoles and LED lighting applications.
2006-12-01 Reduce RF noise effects in headphone amplifier
Audio amps are being increasingly exposed to strong RF electric fields. Many are not designed with high-frequency RF interference in mind and thus can inadvertently demodulate information from an RF carrier into the audio band. There are several ways to minimize RF noise effects
2002-05-02 Noise figure corrections
This application note describes three causes of uncertainty on noise figure measurements and some of the solutions that address these issues
2010-05-25 Network analyzer packs accurate noise-figure test option
Agilent offers Option 028 to its PNA-X network analyzers, allowing highly accurate, source-corrected noise figure measurements of amplifiers, frequency converters and mixers up to 50GHz
2002-01-24 Murata common-mode chokes suppress noise in audio signal lines
The DLM2HG series compact, low-profile monolithic chip common-mode choke coils have been optimized for noise suppression applications in the audio signal lines of digital equipment
2008-12-18 Miniature filter improve noise reduction in cellphones
STMicroelectronics has developed a miniature filter that will help handset designers improve noise reduction in phones with MP3 capability
2010-07-01 Microstep drivers optimize motor torque, noise
ROHM Semiconductor is rolling out high-performance, high-reliability stepper motor drivers that enable designers to optimize motor torque, noise and vibration for a wide range of applications
2003-10-27 Micrel IC reduces input ripple, noise
Designed for driving white LEDs in cellphones, PDAs, digital still cameras and camcorder apps, Micrel's dc-dc converters implement 1.2MHz PWM control.
2007-10-15 Low-noise switching regulators fit mobile devices
Advanced Analogic Technologies Inc. has unveiled the first device in an extensive family of switching regulators designed for low-noise operation
2007-08-27 Low-noise regulator touts high PSRR, efficiency
Micrel's new family of 'SuperLNRs' that feature the advantages and ease of use of LDOs with low noise, high PSRR, ultrafast transient performance, while providing the efficiency of a switching regulator
2005-04-20 Low-noise precision amp targets low-voltage apps
Analog Devices is kicking off a new family of precision amps that are optimized for the low-noise requirements of instrumentation, audio, communications and medical apps operating at 5V and less
2007-12-11 Low-noise DAC targets DAQ, ATE
TI has released the DAC8881, a 16bit, single-channel, buffered voltage-output DAC with a noise level of 24nV/rtHz and settling time of 5?s
2006-12-06 Low-noise boost converters integrate power switches
Linear Tech has announced low-noise boost converters with integrated power switches, Schottky diodes and output disconnect circuitry
2008-05-14 Low-noise ADC drivers deliver guaranteed matching
Linear Technology has announced the LTC6420-20 and LTC6421-20, said to be the industry's first high-speed dual differential ADC drivers with guaranteed gain matching, and exceptional noise and distortion performance
2007-12-10 Low noise, high accuracy typify DAC
Texas Instruments Inc. has developed a 16bit, single-channel, buffered voltage-output DAC that features excellent linearity, low noise and fast settling time
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