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2008-04-22 Steps to reduce non-stationary mobile phone noise up to 25dB
Suppressing non-stationary noise brings substantial benefits to both subscribers and carriers. Users gain the freedom to speak and hear clearly wherever and whenever they want, enjoy increased privacy by being able to speak softly in noisy environments, and won't be asked to leave important conference calls
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.
2008-06-26 Step-down DC/DC converter input ripple and noise
This paper discusses the proper methods for measuring input and output noise of a high frequency DC/DC converter.
2005-07-27 ST op amps deliver very-low noise, ultra-low power consumption
ST launched a family of high-speed operational amplifiers featuring very-low noise and ultra-low power consumption, designed for logic analyzers, oscilloscopes, video drivers, imaging systems and battery-powered instrumentation
2004-01-20 Spire obtains grant to develop low-noise APDs
Spire has received a six-month, $100,000 Small Business Innovative Research Phase I grant from the National Science Foundation to investigate low-noise avalanche photodiodes (APDs) in the 1- to 1.6- micron wavelength range.
2008-05-16 Solid-state relays minimize current, noise surges
Optek Technology's OSSR series of solid-state relays incorporate a zero crossing circuit that minimizes current and noise surges due to resistive and inductive loads.
2005-08-30 Software adds AWGN simulation to mobile carrier-noise test
Test equipment maker Aeroflex is now including an AWGN (additive white Gaussian noise) source to its existing IQCreator software.
2007-04-23 Small signal RF-transistor: S-Parameters, Noise-Figure and Intermodulation
With the increasing need to reduce development time, RF designers are increasingly employing simulation tools which need accurate device data. This note is intended to help understand the origin of the values required and to reconstruct a similar setup for own analysis and verification.
2003-12-23 Skymos filters remove high frequency signal noise
Skymos Microelectronics Ltd has announced the availability of its EMIF steep insertion EMI filters that are designed to eliminate noise on high frequency signal lines.
2002-03-26 Sixgate: What is a noise gate and why use them?
This application note discusses the design and function of the Sixgate audio signal switching for multimedia apps.
2003-09-23 Sipex LDOs offer low output noise
Sipex Corp. has introduced the SP6205 and the SP6203, two 500mA and 300mA low dropout linear regulators that offer low output noise.
2007-08-16 Single-supply op amps boast 1nV noise performance
The latest additions to Intersil's pinPOINT Precision Analog product line are claimed to deliver noise performance up to four times better than competitive single-supply op amps.
2010-06-10 Signal generator boasts -115dB/Hz at 20GHz phase noise
Anritsu has released the MG3690C series of RF signal generators with phase noise and broad frequency generation designed to allow engineers to conduct highly accurate tests on subsystems
2015-09-15 Signal chain basics: Noise in ADCs
There are many different sources of noise in an ADC. Read this to learn about the three different categories based on their frequency characteristics.
2003-02-05 SiGe transistors match noise level of GaAs devices
Toshiba Corp. has developed high frequency SiGe transistors that are capable of matching the low noise level of GaAs devices.
2004-11-16 SiGe mixer provides 8.3dB conversion gain, 9.7dB noise figure
Maxim Integrated Products introduced what it claims as the industry's highest performance, fully-integrated SiGe mixer.
2003-05-27 SFQ noise correction calibration software SFQ_CNCAL
This application note presents a guideline for calibrating the C/N signal produced by Rohde & Schwarz's SFQ TV test transmitter using the software SFQ_CNCAL.
2014-11-17 Self-heating limits noise in microwave amplifiers
Chalmers University of Technology scientists showed how noise in a microwave amplifier is limited by self-heating at very low temperatures, which can be useful in quantum computers and radio astronomy.
2009-08-17 SBC offers low noise, heat dissipation
Adlink's first PICMG 1.0 full-size SBC is validated for the -20C to 70C temperature range.
2002-04-23 Sanyo blue-violet laser diode has low-noise beam structure
Sanyo Electric Co. Ltd has developed a blue-violet laser diode that features a low-noise beam structure and is suitable for use as a light source in next-generation DVD systems.
2003-05-20 Samsung HDDs feature advanced noise reduction
Samsung Electronics has announced the availability of a pair of 100GB HDDs that can handle large data files with less system noise.
2005-06-01 Sampled systems and the effects of clock phase noise and jitter
This app note explains many of the trade-offs related to jitter, phase noise, and converter performance
2008-04-08 S-band coaxial oscillator has low-phase noise
Z-Communications Inc. has introduced a Pb-free, RoHS-compliant, coaxial resonator oscillator that supports the S-band and offers an ultra low (typ) phase noise performance of -1,08dBc/Hz at 10kHz offset.
2002-08-05 ROHM disc driver reduces noise, motor vibration
The BC7905BFS CD-ROM/DVD-ROM combination disc drive driver IC is claimed by the company to achieve a 12dB noise level reduction during disc activation and regenerative braking.
2008-04-29 Ripple and noise measurements with DC/DC switch-mode power supplies
This application note will summarize the set-up, methodology and practical measurement guidelines to accurately measure input and output voltage ripple (or switching noise) in all SMPS DC/DC topologies, as well as charge pump (switched capacitor) regulators.
2006-05-23 RF synthesizers boast low phase noise, large band cover
STMicroelectronics' new RF synthesizers are touted to have the industry's lowest integrated phase noise and largest band coverage.
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.
2005-10-24 Resistors reduce switch noise
Supertex rolled out two new low charge injection, 16-channel, 200V analog switch ICs that tout improved density and performance.
2009-06-05 Removing ground noise in data transmission systems
This application note explains how electrical installation systems, wired correctly (or incorrectly), in combination with time-varying loads can create large ground potential differences between remote transceiver stations.
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.
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