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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.
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2005-07-15 National Semi to shut down Singapore assembly, test plant
National Semiconductor Corp. plans to close its assembly and test plant in Toa Payoh, Singapore.
2006-09-27 National rolls out 'first' 200V stereo driver
National Semiconductor has introduced an integrated 200V stereo driver for high-power amplifiers, said to be the first in the industry.
2007-02-08 National intros new Boomer class D audio amp
National Semiconductor has introduced the first product in its new line of Boomer class D audio amplifiers with integrated converter technology that eliminates the need for an external boost converter.
2002-03-21 Multilink, IPAG collaborate on optoelectronic solutions
Multilink Technology Corp. has cooperated with Innovative Processing AG (IPAG) for the marketing, design and test of 40Gbps optical PIN diode receivers, electronic traveling wave amplifiers and optoelectronic, monolithically-integrated devices.
2012-07-19 Multi-mode front-end module designed for GSM/EDGE/TD-SCDMA handsets
The integrated transmit module from RDA Microelectronics simplifies the handset and datacard design.
2012-07-19 Mouser and Intersil Ink sign distribution agreement
Mouser Electronics, Inc. and Intersil Corporation have signed a worldwide distribution agreement with the aim of expanding each company's customer base.
2007-02-20 Mobile WiMAX PA offers high power efficiency
Anadigics' new PA for mobile WiMAX supports the 802.16e-2005 standard, offering high power efficiency and linearity in a highly integrated module package.
2008-02-27 Micropower precision amps promise 'lowest' TCVOS
National has launched a family of micropower precision amplifiers with a guaranteed maximum TCVOS as low as 0.4?V/C.
2007-04-30 Microchip unveils sub-microampere op amps
Microchip's new, sub-microampere op amps have a quiescent current of only900nA and a bandwidth of 10kHz, with a maximum voltage offset of just 150?V at 25C.
2006-10-16 Microchip intros 'first' amps with gain-select pin
Microchip's MCP6G0x are said to be the first amplifiers with a gain-select pin in place of a negative-input-pin, enabling digital gain control for better system accuracy and dynamic range.
2013-02-21 Maxim Freescale tandem demos LTE/3G picocell base station
The BSC9132 features two Power Architecture e500 cores and two StarCore DSP cores, along with Freescale's high-performance MAPLE-B2P base band accelerator platform.
2007-09-18 MathWorks unveils RF Blockset 2
MathWorks' RF Blockset 2 can extend Simulink with a library of blocks to model the behavior of linear and nonlinear RF components by supporting Agilent standards for large signal-scattering parameters in system-level verification models.
2002-01-08 Lucent sells majority stake in new ventures unit
Lucent Technologies has sold 80 percent of its New Ventures Group of companies to Coller Capital, a London-based equity management company.
2011-02-16 Low-noise op amps reduce supply current to 1?A
Maxim's MAX9636-MAX9638 rail-to-rail, low-noise operational amplifiers target interfacing to high-impedance sources such as photodiode and piezoelectric sensors.
2007-11-16 Low-cost rail-to-rail amps deliver speed, precision
Linear Technology has introduced the LTC6087 and the LTC6088 low cost dual and quad amplifiers, which combine speed, precision and low power in a tiny DFN package.
2006-11-07 Low distortion op amp drives 12-, 16bit ADCs
Texas Instruments' new fully-differential operational amplifier is suited to driving 12bit and 16bit ADCs for 3.3-5V data acquisition systems and wireless communications, test and measurement, and medical imaging.
2007-03-19 Local fabs should rethink strategies, says PAM
Though still among the emerging buds in the industry, Power Analog Microelectronics Inc. gives its take on how local design houses should maneuver their way in the industry and resolve issues of cost and performance in IC development.
2006-06-19 LNAs for cellular, WiMAX start sampling
RFMD has started sampling five new GaAS pHEMT low noise amplifiers for GSM, CDMA, UMTS, EDGE and WiMAX air interface standards.
2004-06-17 LMH730275 triple high-speed SSOP op amp evaluation board
This app note presents the LMH730275 evaluation board designed to aid in the characterization of National Semiconductor's high-speed triple SSOP operational amplifiers.
2008-04-29 Leadis debuts standalone Class-G headphone amps
Leadis Technology is offering samples of what it claims as the world's first standalone Class-G headphone amplifiers, the LDS9505 and LDS9504, which are tailored for various power-sensitive applications.
2014-07-29 Introduction to PurePath Smart Amp technology
Learn about the Texas Instruments PurePath Smart Amp technology as well as the hardware and software tools used for Smart Amp evaluation and implementation.
2007-02-26 Introduction to Analog Video
Graphics and broadcast are two main forms of analog video signals. Graphics refer to computer video signals and broadcast refer to TV signals. This article will focus on broadcast video signals/TV signals.
2007-06-12 Intersil rolls voltage-reference products
Intersil Corp. has created the pinPOINT Precision Analog product line that consists of precision voltage references, precision op amps, comparators, instrumentation amplifiers, current sensing amplifiers and data converters.
2003-12-03 Intersil rolls out six new op amps
Intersil Corp. has expanded its high-speed operational amplifier portfolio with the release of six rail-to-rail output amplifiers.
2008-02-27 Integrated hybrid TV tuner saves space, cost
Maxim's MAX3541 single-conversion, hybrid TV tuner requires only one external SAW filter, a crystal and a few discrete components in order to complete the solution, thus providing a cost-competitive alternative to canned tuners.
2007-12-27 Instrumentation amps offer autozeroing architecture
Maxim Integrated Products has introduced two instrumentation amplifiers that feature its patented current-feedback architecture, a spread-spectrum autozeroing technique.
2006-05-01 In-amp specifies differential output
Today's instrumentation amplifiers face a daunting task: providing differential-drive output to the next stage in the signal chain, typically an ADC.
2003-09-16 Improving optical amplifier test for metro apps
Since cost is an overriding factor in Metro applications, amplifier vendors must reduce cost of test to make their devices more affordable.
2005-03-18 IBM, ParkerVision strike SiGe foundry alliance
ParkerVision Inc. said that IBM Corp.'s Microelectronics Division has been selected to manufacture its radio-frequency (RF) power amplifiers and other next-generation semiconductor products.
2012-07-13 How to stabilize transimpedance amp
Understand empirical calculations for assessing stability, and know how to fine-tune the selection of the feedback phase-compensation capacitor.
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