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What is a differential amplifier?
An amplifier whose output signal is proportional to the algebraic difference between two input signals; The input stage of operational amplifiers and emitter coupled logic gates.
total search1324 articles
2009-05-26 High-voltage amp fits piezoelectrics, MEMS apps
Trek Inc. is offer the PZD350A high voltage power amplifier, which offers wide bandwidth and additional features important in piezoelectrics, electro-optics, MEMS and other applications.
2008-05-29 High-power CATV amp allows deep fiber migration
Anadigics Inc. today launched the ACA2420 power doubler line amplifier, a high output power device designed to ensure optimal video and data delivery in deep fiber HFC architectures and other cable TV deployments that minimize the use of cascaded system amplifiers.
2005-04-20 High-power amp IC boosts signals for military, communications apps
Mimix Broadband introduced a GaAs MMIC two-stage, single ended, X-band high power amplifier, which integrates an on-chip gate bias circuit to simplify biasing.
2010-09-28 High-bandwidth op amp calibrates Vos on power-up
Maxim introduced the MAX9622, a precision operational amplifier with high gain bandwidth.
2009-04-09 High power amp uses dual-sided bias architecture
Mimix Broadband Inc. has developed a GaAs MMIC high power amplifier with +41dBm pulsed saturated output power and 17dB small signal gain.
2000-06-12 High Efficiency Low Voltage Programmable Gain Amp
This technical note examines the RF2155, an HBT programmable gain power amplifier that is well suited for use in 900MHz application, operates up to 1GHz, and delivers 0.5W at 3.6V with an efficiency of 60 percent.
2007-08-08 Hi-Fi headphone amp consumes very low power
Rohm's BU7839GVW digital input Hi-Fi class-D headphone amplifier LSI for portable audio devices is said to feature the lowest power consumption in the industry.
2012-07-27 HBT power amp targets wireless infrastructure apps
RFMD's RFPA2089 is a single-stage InGaP HBT power amplifier that offers high-gain linear operation at a comparably low DC power geared for next generation radios requiring high efficiency.
2004-02-16 Gyeonggi line amp offers high thermal conductivity
Gyeonggi Small & Medium Business Center has unveiled a CCTV line amplifier with high thermal conductivity and low dc power consumption.
2006-08-23 GaN transistor amp delivers 400W for 3G base stations
NEC Corp. has announced the development of a compact GaN power transistor amplifier, said to have the world's highest output power level of 400W while featuring low-distortion characteristics, targeted at 3G base stations.
2009-08-07 Gain control amp suits digital radio equipments
New Japan Radio Co. Ltd has introduced the NJM2287 450KHz IF gain control amplifier IC with mixer for digital radio equipments.
2008-05-15 Gain block amp needs no external matching parts
WJ Communications' latest gain block amplifier does not require any external matching components and offers +37dBm OIP3 at 2GHz in a SOT-89 package.
2007-11-26 GaAs FET amp targets European WiMAX transceiver stations
Mitsubishi Electric Corp. has developed an internally impedance matched high output power GaAs FET for 3.6GHz band WiMAX base transceiver stations in Europe.
2006-11-22 GaAs Bluetooth power amp extends battery life
TriQuint has introduced a GaAs Bluetooth power amplifier that enables designers to offer 50 percent power added efficiency (PAE) for longer mobile device battery life.
2008-02-07 Fujitsu debuts 77GHz CMOS-based power amp
Fujitsu Laboratories has developed a 77GHz millimeter-waveband power amp using standard 90nm CMOS process technology.
2011-06-24 Freescale's AMP addresses explosive IP traffic growth
Running on a multithreaded 64bit Power Architecture e6500 core, the AMP series integrates an array of acceleration engines and power management systems to improve performance and power efficiency.
2006-08-03 Freescale Class D amp enables HiFi audio
Freescale has unveiled the new Symphony Class D amplifier the promises a high-fidelity system solution.
2005-10-17 Filterless amp saves PCB space, power
The choice of power amplifier can impact power consumption in today's mobile devices
2009-01-22 FET op amp fit for medical, portable devices
Analog Devices Inc. introduced one of the industry's fastest FET op amp that operates at 1GHz. The ADA4817 was designed for high-performance medical diagnostic and portable devices, as well as instrumentation equipment.
2004-09-01 Fairchild RF power amp eyes CDMA2000-1X apps
Fairchild released an RF power amp optimized for CDMA2000-1X applications in the 824MHz to 849MHz frequency band for today's handset requirements.
2002-11-22 Fairchild power amp extends battery life
The FAN7031 CMOS stereo PA from Fairchild Semiconductor consumes 4?A of current in shutdown mode over a power supply range of 2.7V to 5.5V.
2006-05-11 Fairchild enters high-performance amp market
Fairchild enters the high-performance amplifier market with five operational amplifiers designed to optimize bandwidth and reduce power consumption in video applications.
2002-05-02 Fairchild CMOS power amp produces 1W
Designed for mobile phones, DECT phones, PDAs, and other portable applications, the FAN7021 CMOS power amplifier from Fairchild Semiconductor produces up to 1W of low-distortion continuous output power with supply voltages from 2V to 5.5V.
2002-12-18 Fairchild amp delivers 1W of continuous speaker power
The FAN2703 CMOS power amplifier delivers 1W of continuous rms power into an 8-ohm speaker at 5V.
2008-07-01 Energy saving op amp targets home electronics
New Japan Radio Co. Ltd has developed the NJM2718, single-supply high-operating voltage dual operational amplifier suitable for home-electronics applications.
2008-02-14 Edge power amp eyes 3G handsets, equipment
Anadigics has released the AWT6155 quad-band polar Edge power amplifier module for 3G wireless handsets and equipment.
2009-09-04 Edge power amp delivers 3G performance
Anadigics' quad-band polar Edge power amplifier meets the needs for GMSK and Edge modes in mobile devices.
2010-02-17 Dual-band power amp integrates directional couplers
Anadigics' AWC6323 dual-band CDMA power amplifier integrates high-performance directional couplers.
2006-10-10 Dual op amp lowers voltage noise by 80 percent
ADI has unrolled a dual op amp that lowers noise by 80 percent without sacrificing precision for medical, instrumentation, ATE and other industrial applications.
2007-09-25 Dual op amp extends battery life in portable apps
ADI's AD8506 is a low-power CMOS dual op amp with rail-to-rail inputs and output and is designed for battery-powered portable applications.
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