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2013-05-30 RF control circuit optimises Airfast Doherty amplifiers
The new MMDS20254H advanced Doherty alignment module (ADAM) enables more accurate alignment of phase and amplitude on the carrier and peaking paths of high-power Doherty amplifiers.
2009-02-02 Now sampling: base station amps with >40% efficiency
NXP Semiconductors has started sampling integrated Doherty amplifiers for cellular base stations based on its RF transistor technology. The initial BLD6G21-50 and BLD6G22-50 amplifiers are designed to deliver efficiency of greater than 40 percent at an average power of 10W.
2007-10-09 TriQuint tips green base station power amp
Triquint Semiconductor has started sampling high-voltage GaAs power amplifier transistors it claims substantially increase the efficiency of 3G cellular base stations, leading to meaningful energy savings.
2008-02-08 RF transmit processor combines DUC, CFR, DPD
A single-chip wireless transmit processor that combines digital upconverter, crest factor reduction and digital pre-distortion linearization functions, has been launched by TI.
2006-03-01 Converters heed call of 'real world'
Intimacy with the real world has radically changed the focus of IC development among analog manufacturers.
2014-11-21 NXP, Xilinx aim to cut wireless infrastructure CapEx, OpEx
The companies teamed up to allow customers to quickly and easily combine Xilinx's latest crest factor reduction and digital pre-distortion SmartCORE IP with NXP's Gen9 LDMOS RF power amplifiers
2010-05-26 Dual-path RF transistors save cost in TD-SCMDA amps
Freescale Semiconductor has developed two LDMOS RF power transistors optimized for power amplifiers in base stations serving TD-SCDMA wireless networks
2008-06-24 Transistors remit high peak power for wireless net
Infineon Technologies AG recently launched a new family of RF power transistors specifically targeted at wireless infrastructure applications in the 700MHz frequency band.
2013-05-31 Scintera rolls out RFPAL for small cells, remote radio heads
The SC2200 and SC2220 dual-path system-on-chip RF Power Amplifier Linearizers simplify and facilitate the design of multi-antenna and/or multi-band cellular infrastructure systems.
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.
2011-06-14 RF power transistor delivers 60MHz
NXP has launched Gen8 RF power transistors that are designed for wireless base stations and can deliver signal bandwidths of up to 60MHz.
2009-08-31 RF power devices tip flexibility for TD-SCDMA
Freescale Semiconductor has introduced two final-stage LDMOS RF power transistors for TD-SCDMA networks.
2011-05-03 LDMOS transistors cover full frequency for wireless stations
Freescale introduces LDMOS power transistors that can cover full frequency bands, allowing high efficiency and wide bandwidth for network operators.
2008-08-25 High-power WiMAX base stations fit multiGbit links
Axis Network has launched a family of MIMO Remote Radio Heads (RRHs) for OEM deployment of WiMAX networks globally. The RRHs present flexible multiGbit base station connections.
2007-06-01 HDTV interface spec sparks product rollouts
Chipmakers are rushing out competitive solutions for the emerging third-generation Serial Digital Interface standard.
2009-06-11 GaN HEMT amplifier claims record efficiency
Cree Inc. claims to have achieved record efficiency for a commercially available 2GHz microwave amplifier.
2012-11-01 50V GaN HEMT tech cuts cellular network power use
Cree's transistors that operate at 100W or 200W output powers are now released for both the 1.8- 2.2GHz and 2.5-2.7GHz frequency bands.
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