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amplifiers What is an amplifier? Search results

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What is an amplifier?
A device that uses a small amount of energy to control a larger amount. The relationship of the input to the output, expressed as a function of the input frequency, is called the transfer function of the amplifier, and the magnitude of the transfer function is called the gain.
total search2072 articles
2007-01-10 TI intros charge pump-based headphone amp
Texas Instruments' TPA6130A2 is the first product in the company's DirectPath line of charge pump-based headphone amps.
2014-06-23 Thermal measurement methodology of RF power amps
Thermal measurement methodology has been developed and implemented by Freescale Semiconductor to accurately characterise high power RF power amplifiers.
2002-12-06 The mathematics of Log-based dynamic processors
This application note describes the basis for the mathematical treatment of dynamic processors and offers insights into its application to circuit designs based on log-corresponding components.
2006-04-24 THAs target UWB apps
Inphi claims to have set a new industry standard with the launch of its GigaTrack family of 2GSps track-and-hold amplifiers that deliver ultra-wide 18GHz analog bandwidth.
2012-06-29 Testing broadband CATV amps with true wideband channel rasters
Learn about the process of estimating a wideband amplifier's performance.
2012-06-13 TDF8597, TDF8599A, TDF8599B class-D amps for automotive apps
Know the available application PCB and the I2C-bus control software.
2002-06-25 Taiwan optical comms sector reports demand growth
Optical communications companies in Taiwan have reported a 27 percent increase in orders for the first few months of 2002, compared to 2001, the Industrial Technology Intelligence Services reports.
2003-10-03 Surface Mount Assembly and Handling of ANADIGICS LPCC Packages
This application note outlines the steps necessary for the handling and assembly of ANADIGICS power amplifiers in LPCC packages.
2010-08-25 Stereo headphone amps adjust supply rails
The 30mW headphone amplifiers continuously adjust the supply rails in response to the input signal and minimize power consumption compared to traditional Class AB amplifiers.
2005-02-15 Spectrum Control acquires RF amp maker
Spectrum Control Inc. announced Friday (Feb. 11) that Spectrum Microwave Inc., its wholly owned subsidiary, has acquired the assets of Amplifonix Inc. for $10 million.
2002-07-24 Spectrum acquires FSY Microwave
Spectrum Control Inc. has acquired all of the outstanding common stock of FSY Microwave Inc.
2003-12-10 Sony makes Tripath latest 'Green Partner'
Sony Corp. has granted Tripath Technology Inc. a 'Green Partner' certification. Tripath is a fabless digital media semiconductor company that focuses on the manufacture of power amplifiers.
2005-09-29 Skyworks, Motorola to develop TETRA-based PA
Skyworks Solutions has signed an exclusive agreement with Motorola Inc. to jointly develop Terrestrial Trunked Radio (TETRA)-based power amplifiers.
2009-06-08 Skyworks buys power amplifier supplier
Skyworks Solutions Inc. has acquired Axiom Microdevices, a volume supplier of CMOS-based power amplifiers for mobile phones.
2002-12-23 Sirenza obtains patent for method on broadband ICs
Sirenza Microdevices Inc., a designer and supplier of RF components, has been granted U.S. patent number 6,480,067, entitled
2002-07-31 Sirenza establishes sales office in Europe
Sirenza Microdevices has established a sales office in Stockholm, Sweden to provide critical sales and applications support to strategic OEM accounts in Northern Europe.
2003-05-26 Simulation SPICE Models for Comlinear's Op Amps
This application note discusses PSpice compatible models for National Semiconductor Corp. amplifiers.
2011-01-19 Simple IC protects automotive video drivers from overvoltage
Here's a circuit that protects automotive video amplifiers from accidental exposure to the car's battery voltage.
2011-11-22 Signal chain basics: Save power, reduce heat with power supply volume control
Find out how power supply volume control can reduce dissipation and increase run time, without compromising performance.
2012-04-24 Signal chain basics: How 20W amplifier can ruin a speaker system
Know the causes of this surprisingly common problem, and how to work around them.
2011-03-30 Setting TAS5717EVM/TAS5719EVM environment variables
Know how to set the Microsoft Windows environment variables for correct I2C operation of the TAS5717EVM and TAS5719EVM evaluation modules.
2002-10-14 Richardson expands Anaren distribution contract
Anaren Microwave Inc. has granted Richardson Electronics Ltd, rights to distribute its entire line of RF products in Europe and Asia.
2006-12-01 RFMD samples GaN power amps to Tier 1 customers
RFMD announced the introduction and sampling of GaN wideband power amplifier ICs to Tier 1 WiMAX, cellular base station and PMR customers.
2002-08-09 RFMD opens new sales office in Japan
RF Micro Devices Inc. has opened a new sales and customer support office in Tokyo, Japan.
2008-02-08 RF transmit processor combines DUC, CFR, DPD
A single-chip wireless transmit processor that combines digital upconverter, crest factor reduction and digital pre-distortion linearization functions, has been launched by TI.
2009-07-24 RF power devices see hope in China, LTE push
A new report forecasts that deployment of wireless infrastructure in China and the LTE push in the west will lift RF power device market.
2012-12-12 RF power amp, device sales combine for $3B despite slow year
The Asia-Pacific Region, including Japan, continues to account for over 75 per cent of the RF power semiconductor devices that are sold into the mobile wireless infrastructure segment.
2002-10-18 RF Micro to acquire Resonext Communications
RF Micro Devices Inc. has agreed to purchase Resonext Communications Inc.
2007-10-12 RF front-end module simplifies 802.11n design
SiGe Semiconductor Inc. today announced what it is calling the world's most integrated RF front-end module for Wi-Fi products designed to comply with the IEEE 802.11n specification.
2007-01-18 RF amps feature active biasing tech
Freescale's RF amps feature active biasing technology, which reduces performance variation due to temperature and supply voltage variations and provides ease-of-use for system designers.
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