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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
2006-08-17 SiGe Semiconductor touts 'thinnest' Wi-Fi power amp
SiGe Semiconductor said its new RangeCharger power amp delivers industry-leading performance and power efficiency in a new paper-thin package with a profile of 0.5mm.
2003-09-25 SiGe Semiconductor power amp cuts space
SiGe Semiconductor Inc. has added an on-board directional coupler and power detector to its 802.11b/g WLAN power amplifier lineup.
2004-09-28 SiGe power amp tailored for portable apps
SiGe Semiconductor expanded its series of Bluetooth ICs with the release of a miniature power amplifier optimized for portable consumer electronics.
2002-08-15 SiGe power amp supports 802.11b, 802.11g
Maxim Integrated Products has announced the availability of the MAX2247 SiGe power amplifier (PA) designed for both 802.11b and 802.11g WLAN applications.
2004-03-19 SiGe power amp seeks socket in CDMA handsets
SiGe Semiconductor Inc. has introduced a line of silicon germanium power amplifiers that it believes will break gallium arsenide devices' lock on CDMA cellphones.
2006-05-24 Servo amp delivers two independently-controlled outputs
Copley Controls' Model 800-1514 servo amplifier provides independent (torque) control of two brushless motors.
2008-11-25 Sensor amp offers programmable gain, offset
Texas Instruments has released the PGA308 single-supply, auto-zero bridge sensor amplifier featuring programmable gain and offset that amplifies the sensor signal and provides digital calibration for zero (offset) and span (gain).
2002-09-25 Selecting the Right PIN/Pre-Amp for your Application
This application note outlines the parameters for properly choosing the proper pre-amplification input noise for a users circuit.
2004-01-14 Samsung selects Tripath audio amp for flat panel products
Samsung Electronics Co. Ltd has chosen Tripath Technology Inc.'s TA2024, Class-T audio amplifier to power additional Samsung flat panel products, such as LCD and Plasma TV receivers, and LCD monitors.
2003-01-20 Samsung Selects TI amp for latest DVD receiver
Texas Instruments Inc. has announced that Samsung has integrated their digital audio amplifier into its latest DVD receiver.
2004-07-30 Rough ride predicted for cellular RF amp makers
Manufacturers of the RF power amplifiers and RF power semiconductors used in cellular basestations are in for a rough ride over the next few years according to market research group ABI.
2005-07-06 RoHs-compliant amp ICs boost signals across 6GHz to 25.5GHz
Hittite Microwave launched a line of MMIC based amplifiers for commercial and military markets, targeting point-to-point, point-to-multipoint, test equipment, sensors, and other applications from 6GHz to 25.5GHz.
2010-02-08 RFMD, Nujira co-develop broadband power amp
Nujira and RF Micro Devices Inc. have teamed up to deliver an efficient broadband power amplifier (PA) design for 4G base stations.
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.
2007-07-09 RF power amp pioneer opens Japan, China offices
Nujira, developer of efficient power amplifiers for wireless applications, is expanding its operations in the Pacific Rim with a field support office in Japan and a larger sales network in China.
2007-08-24 RF power amp handles military communications band
AR Modular RF has introduced a new RF power amp module that covers the VHF/UHF military communications band, from 30MHz to 512MHz with a power output of 100W P1dB CW.
2010-04-05 RF power amp delivers
From BC Systems comes Model RF40015, an RF power amplifier for defense applications in which broadband frequency coverage of 20MHz to 305MHz and RF output power of at least 100W.
2012-09-28 RF power amp boasts low EVM at high power for WLAN
Microchip's 5GHz SST11CP16 supports the new IEEE 802.11ac ultra high data rate WiFi standard for 351Mb/s with 1.8 per cent error vector magnitude at 19dBM output power.
2008-02-11 RF driver amp blends power, performance
ADI has introduced the ADL5321RF driver amplifier that is said to bring together the industry's best combination of power and performance in 2.3GHz to 4GHz wireless infrastructure designs for LTE, WiMAX and WiBro applications.
2013-03-07 Researchers unveil small-area, low-power instrumentation amp
Toyohashi Tech researchers found a way to develop smaller IAs that are geared for high-spatial-resolution biomedical and environment monitoring systems.
2011-12-21 Research reveals silent nanomechanical RF amp
Researchers from Aalto University have achieved a noiseless oscillator performance by cooling it down to -273C.
2006-07-06 Ref design optimizes six-channel, Class D audio amp
International Rectifier's IRAUDAMP3 Class D audio reference design is a six-channel, 120W half-bridge Class D audio power amplifier.
2003-10-03 Reducing RFI Rectifications Errors in In-Amp Circuits
This application note describes how to reduce RFI Rectification Errors in In-Amp Circuits
2007-04-16 Rail-to-rail amp improves input offset accuracy
This article focuses on the development of the rail-to-rail amplifier's input stage and discusses in detail the input enhancement circuit that overcomes the deficiencies associated with rail-to-rail amplifiers.
2007-10-04 Quick start guide for a 0.5 amp buck regulator using the LM5574 and LM25574
The LM5574 and LM25574 switching regulators feature all of the functions necessary to implement an efficient high voltage buck regulator using a minimum of external components.
2007-06-04 Quad op amp delivers low offset
iC-Haus GmbH delivers its new unity gain stable quad op amp that features an offset of less than 1?V at 3.5MHz.
2012-08-03 Push-pull CATV amp boasts low distortion
M/A-COM Tech's MAAM-010144 is a GaAs MESFET MMIC amplifier geared for integration in a 75? push-pull circuit with an input return loss of 18dB and an output return loss of 15dB.
2007-08-01 Programmable gain amp touts 0.03% gain accuracy
National claims that its LMP8100A programmable gain amplifier delivers guaranteed 0.03 percent gain accuracy using a software adjustable gain in 1V/V increments from 1V/V to 16V/V.
2007-04-02 Precision op amp targets satellite applications
National Semiconductor has announced the first dual amplifier in its new family of precision op amps specifically QMLV-qualified for satellite applications.
2008-02-18 Precision op amp suits high-voltage apps
TI has released the OPA454, a precision power operational amplifier that operates on supplies up to 100V and delivers a high output current of 50mA with a 150mA short circuit limit.
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