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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
2007-09-04 Precision op amp eases portable designs
Texas Instruments Inc. has rolled out the what it claims to be the industry's lowest power zero-crossover operational amplifier.
2008-04-14 Precision amp claims 'lowest' input bias current
National has introduced the LMP7721, a precision amplifier that's said to have the industry's lowest guaranteed input bias current (20fA) at room temperature and over the extended temperature range of -40C to 125C.
2012-01-24 Power amp targets 4G LTE infrastructure
The MGA-43128 is high-linearity power amplifier for high-data-rate applications found in 700-800MHz cellular infrastructure equipment.
2008-04-28 Power amp suits 3G handsets for W-CDMA network
Anadigics has released the AWT6281 HELP3 W-CDMA linear power amplifier engineered specifically for use in advanced 3G handsets for EGSM (Band 8) UMTS wireless networks.
2010-02-26 Power amp simplifies 3G handset design
The Javelin JAV5001 power amplifier improves battery life, robustness and reliability while simplifying the design-in process for 3G mobile phones and datacards.
2010-01-15 Power amp provides 25W over 20MHz to 6GHz
From Cree Inc. comes the CMPA0060025F GaN HEMT MMIC power amplifier, which offers 25W output power over an instantaneous bandwidth of 20MHz to 6GHz.
2010-06-28 Power amp packs interstage power detector
From RFMD comes the RF5616 highly integrated 4.9GHz to 5.8GHz (ISM band) 3mm x 3mm power amplifier designed to significantly reduce customers' total solution size and cost.
2007-02-16 Power amp optimizes battery life of 3G handsets
TriQuint's quad-band GSM/EDGE-Polar power amplifier module provides a high level of battery life for 3G wireless handsets, PDAs and laptop data cards.
2010-03-01 Power amp meets TD-SCDMA performance metrics
The RF7234 and RF3266 PAs deliver superior performance at peak power conditions and ample margin meeting the critical performance metrics of today's TD-SCDMA handsets.
2006-11-29 Power amp loads 20mW for weak signal amplification
New Japan Radio has announced the NJM2278, a 20mW power amplifier designed for use in the transmitters of specific extremely low-power radio equipment using weak signals in the 300/400MHz bandwidth.
2006-01-19 Power amp IC extends battery life
ST announced a compact Class D power amplifier chip intended for the new generation of mobile phones and other products seeking to provide higher audio power output while preserving and extending battery life.
2009-05-25 Power amp geared for mobile WiMAX systems
Anadigics Inc. has rolled one of the first mobile WiMAX 4G power amplifiers (PAs) developed for use in the 3.4- to 3.6GHz spectrum adopted by broadband wireless service providers in Europe and South America.
2012-03-30 Power amp geared for high capacity E-band radios
The EXT7601 and EXT8601 power amplifier chipsets from GigOptix provide Psat output power of 23dBm in the 71-76GHz band and 22dBm in the 81-86GHz band.
2012-03-01 Power amp for WCDMA, LTE/4G apps
RFMD's 4G LTE and WCDMA power amplifiers claim to deliver top notch efficiency and performance in smartphones and other data-centric connected devices.
2009-06-18 Power amp fit Wi-Fi, WiMAX apps
RFMD has released the RF5602 high-power, high-efficiency and high-linearity power amplifier designed for medium power applications including CPE and AP applications for Wi-Fi and WiMAX.
2012-02-20 Power amp features 2.4-2.7GHz frequency
The 1W RF5652 linear power amplifier targets IEEE 802.11b/g/n WiFi for customer premises equipment applications.
2007-06-01 Power amp drives ceramic speaker at higher voltages
National Semiconductor has developed a single-chip Boomer audio power amplifier that delivers the highest voltage for driving ceramic speakers used in portable devices.
2007-04-30 Power amp cuts system-level cost in Wi-Fi apps
SiGe Semiconductor announced the SE2582L, a power amplifier based on an integrated architecture that boosts power efficiency, reduces system-level cost and optimizes performance of Wi-Fi systems.
2010-03-11 Power amp cuts need for RF component matching
California Eastern Laboratories has released its ?PG2251T6M GaAs power amplifier (PA) targeted at Bluetooth, 802.15.4/Zigbee and other 2.4GHz applications.
2013-02-26 Power amp cuts energy use in cell phone towers
Eta Devices' solution launched a power amplifier that claims to cut energy consumption by half for mobile base stations.
2010-02-08 Power amp boosts WiMAX transceiver efficiency
Anadigics Inc. introduced the AWT6283R feature-rich power amplifier (PA) to boost the performance and efficiency of WiMAX transceivers.
2005-11-01 Power amp biasing with digital dynamic bias chip
To compete in 3G base-station markets, power-amplifier OEMS need an adjustable bias that reduces cost and effectively manages LDMOS temp responses
2011-02-15 Power amp aimed for small-cell base stations
Anadigics Inc. introduces the AWB7227 power amplifier (PA) that promises high linearity and efficiency for use in small-cell base stations.
2008-02-19 Polar Edge power amp rolls for 3G wireless handsets
Anadigics has rolled out its AWE6174 quad-band Polar Edge power amplifier module for 3G wireless handsets and equipment.
2002-05-29 Philips car radio IC combines power amp, voltage regulator
Royal Philips Electronics has introduced the TDA8587J automobile radio IC that combines a power amplifier and multivoltage regulator with a power switch, thereby saving space and increasing the functionality of a radio unit.
2009-07-02 Panel potentiometers aim at amp, audio apps
TT electronics BI Technologies has developed custom panel potentiometers for XP Audio's Bolt guitar amplifiers. With conductive plastic elements, concentric shafts and life cycles as high as one million rotations, the potentiometers suit amplifier and other pro audio apps.
2005-03-22 PA + driver amp deliver 1W
Mimix Broadband introduced a GaAs MMIC three-stage balanced PA and complementary three-stage driver amplifier that both use 0.15?m gate length GaAs pHEMT device model technology.
2003-04-08 P&B electrolytic capacitors function down to -40C
The GX Series 2000 of aluminum electrolytic capacitors from P&B Electronics Co. Ltd is designed to operate over the -40C to 85C temperature range.
2003-10-03 Operation of A-D Converter (in one-shot mode, external op-amp connection mode)
This application note presents the operation of A-D Converter in one-shot mode and in external op-amp connection mode.
2005-04-28 OPA277 op amp from TI now available in DFN package
TI introduced a 4-by-4mm DFN package version of the high-precision OPA277 operational amplifier from its Burr-Brown product line
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