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power amplifier What is a power amplifier? Search results

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What is a power amplifier?
Designated as the last amplifier in a transmission chain, a power amp typically requires the most attention to power efficiency.
total search2432 articles
2002-04-26 Raytheon power amplifier targets AMPS, CDMA phones
Raytheon Co.'s RF Components Division has announced the release of the RMPA1956-103 series of 3.5V dual-band, tri-mode power amplifiers for AMPS, CDMA, and CDMA2000-1x applications
2008-01-04 Ralink tips low power, 'smallest' 802.11n chips
Ralink has released new 802.11n single chips, the RT3080 that enables Wi-Fi in handheld/mobile devices and the RT3070, claimed to be the smallest 802.11n USB single chip.
2004-12-17 Quad-Band capable power amplifier module -GSM850/GSM900/DCS1800/PCS1900
This app note describes the demonstration board for the TQM7M4014 power amplifier module and includes the application note.
2008-05-29 Programmable-gain upstream amplifier zooms in on cable
RF Micro Devices has released the S518324-44Z programmable-gain upstream power amplifier that is designed for cable applications.
2005-03-21 Pre-driver PAs power cellular base stations
RFMD's two new GaAs HBT pre-driver PAs are designed to lower the total cost of implementation for manufacturers of cellular base stations.
2006-05-15 Power-efficient ISM-band RF transmitter chip sips current
Micrel is offering an efficient and power-managed ISM-band radio transmitter IC for less than $1.50
2014-03-25 Power trends take spotlight at APEC 2014
During this year's APEC, global players such as Fairchild, Intersil and Texas Instruments revealed their business plans and product offerings in anticipation of the power efficiencies demanded by next-generation electronic devices
2012-06-25 Power transistor ideal for radar architectures
RFMD' RFHA1025 pulsed GaN RF matched power transistor operates at the 0.96GHz to 1.2GHz frequency range to deliver 280W pulsed power
2007-08-20 Power MOSFETs feature 1.2V gate-to-source voltages
Vishay Intertechnology has introduced power MOSFETs with on-resistance ratings at a 1.2V gate-to-source, to help designers simplify power management circuitry while extending battery run times
2009-06-02 Power modulator simplifies base station design
Nujira Ltd is offering the digital pre-distortion (DPD) version of its Coolteq-h power modulator that simplifies the design of cellular base stations
2008-07-29 Power meters receive software
Anritsu Co. introduces PowerMax software, which provides an enhanced visualization of instrument display and simplified remote control of Anritsu's ML2490A series power meters via Ethernet
2010-03-24 Power management IC packs Class G codec
Dialog Semiconductor plc has is rolling out the DA9057system-level power management IC that includes a Class G codec
2011-11-04 Power IC features 15W output power
RFMD's RFHA1000 GaN power amplifier is designed for military communications, electronic warfare, wireless infrastructure, radar and two-way radios.
2005-08-25 Power detector/controller combines low power, small packaging
ADI said its latest power detector/controller accurately measures RF signals over the industry's widest frequency range, and delivers an exceptional combination of low power, small packaging and fast output response time
2004-12-14 Power control with the MRFIC0913 GaAs IPA and MC33169 support IC
This app note addresses the particulars of transmit waveform shaping and power control as applied to GSM TDMA systems using the MFRIC0913 GaAs integrated power amplifier (IPA) combined with the Motorola MC33169 GaAs power amplifier support IC.
2008-05-05 Power amps tout high linearity, low power
Avago Technologies has introduced 1W and 2W families of high-performance power amplifiers designed for next-generation cellular and WiMAX infrastructure applications
2009-08-27 Power amps tailored for 4G LTE apps
RF Micro Devices Inc. is supplying the RF6276 and the RF3280 power amplifiers (PAs) designed to meet or exceed the data-centric performance requirements of the 4G LTE mobile broadband standard
2010-02-19 Power amps support multiple W-CDMA bands
Skyworks Solutions Inc. is offering highly-integrated multimode power amplifier modules for next-generation smart phones and data cards requiring multiple W-CDMA bands.
2010-05-24 Power amps support complex modulation schemes
Anadigics Inc. has launched new power amplifiers that support complex modulation schemes, such as those used in W-CDMA, HSDPA and LTE air interfaces
2009-06-11 Power amps simplify 3G handset design
Anadigics Inc. has launched of a new family of W-CDMA/HSPA power amplifiers (PAs) that incorporate daisy-chainable RF power couplers enabling simplified design of 3G handsets, data cards, modems and other types of UMTS subscriber devices
2007-11-20 Power amps reduce cost of Wi-Fi implementations
SiGe Semiconductor has released two power amplifiers that are designed to provide manufacturers with the lowest cost route to developing Wi-Fi systems
2010-03-12 Power amps improve WiMAX apps signal quality
Avago offers power amplifier modules that feature low power consumption and improves signal quality for WiMAX and Wi-Fi applications that operate in the 2GHz range.
2012-09-12 Power amps for E-band radio cover 71-76GHz, 81-86GHz range
The GaAs pHEMT MMIC power amplifiers EXP7602 and EXP7603 from GigOptix feature on chip temperature compensated output power detector to simplify system assembly and increase power efficiency
2008-03-27 Power amps fit next-gen cellular, WiMAX apps
Avago Technologies has introduced two new power amplifier product families designed for next-generation cellular and WiMAX applications.
2009-06-05 Power amps extend talk time in UMTS handsets
Avago Technologies has launched five new CoolPAM power amplifiers for UMTS band handsets and datacard applications
2008-08-15 Power amplifiers work in 18-33GHz frequency bands
Avago Technologies has introduced highly efficient, linear power amplifiers for the 18-33GHz frequency range
2006-05-23 Power amplifiers target WiMAX, Wi-Fi apps
Sirenza Microdevices announced the production release of a new family of linear power amplifiers for WiMAX (802.16 d/e) and Wi-Fi (802.11 a/b/g) applications
2009-01-23 Power amplifiers on the hot seat
A virtual "sit down" with some leaders in the industry discussed where power amplifier technology is, and where they think it is going.
2005-03-29 Power amplifiers mix higher power, lower distortion
austriamicrosystems' new family of 1.6W single-channel audio power amplifiers promise to offer portable electronics designers higher output power and lower distortion solutions
2010-10-21 Power amplifiers for mobiles boast digital power mode control
Avago Technologies' new CoolPAM power amplifier modules designed for linear quad-band GSM/EDGE operation
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