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2009-03-20 Digital signal mixer packs 4-channel power amp
ClearOne has released the Converge SR 1212A digital signal processing mixer with 4-channel power amplifier that interfaces with 8? or 70v/100v loudspeaker systems
2006-11-13 DC/DCs for CDMA power amps include bypass FET
Maxim Integrated Products' new 2.5MHz DC/DC converters integrate a low-RDS bypass FET to minimize PCB area and extend battery lifetimes.
2004-03-04 Dallas device speeds up power-amp module design
The DS1870 from Dallas Semiconductor biases two LDMOS power amps over temperature and drain voltage/current variations
2005-08-01 Cutting RF power in W-CDMA phones
Power dissipation problems in W-CDMA phones can be solved by adjusting power amplifier efficiency and voltage requirements
2008-05-08 Current-sensing power MOSFETs
Vishay Siliconix current-sensing power MOSFETs offer a simple means of incorporating a protection feature into an electronic control circuit and avoiding catastrophic failures resulting from overcurrent (overload) and/or short-circuit conditions
2015-11-02 Current balancing cuts power use in supercap stacks
In this article, we explain how MOSFET-based current balancing can reduce power use in supercapacitor stacks
2015-03-17 Court cancels SynQor's power converter patent claims
Vicor uncovered evidence that the founder of SynQor had directed research sponsored by the General Electric Company in bus converter technology pioneered by Robert L. Steigerwald at GE.
2014-07-10 Converters get boost from power transistors
Power transistors from EPC provide lower on-resistance, lower capacitance, higher current, and superior thermal performance, allowing power converters to perform with greater efficiency
2004-02-12 CMOS power amplifier rolls for GSM handsets
Silicon Laboratories will break new ground with the introduction of the first monolithic CMOS power amplifier for GSM cellular handsets
2007-09-17 Class-D op amp boasts high efficiency, small size
Texas Instruments Inc. has introduced a monolithic, filter-free, Class-D audio power amplifier with an integrated boost converter, which provides constant output power for portable applications
2010-06-18 Class-D amp with boost converter extends battery life
TI's Class-D audio amplifier with boost converter packs battery monitoring AGC and SpeakerGuard technology to prevent early shutdown at low battery voltages.
2010-06-10 Class-D amp tailored for DVD, Blu-ray players
STMicroelectronics is rolling out an analog-input 2 x 100W class-D power amplifier, extending its range of Class-D devices that deliver audiophile sound quality
2008-10-10 Class-D amp cuts cost in high-power stereos
NXP Semiconductors has released the TDA8950 highly integrated stereo class-D amplifier suitable for single layer PCB use, delivering bigger, better sound on slim-line audio systems.
2007-04-19 Class G speaker amp loads more output power
Maxim's MAX9730 speaker amplifier features Class G architecture and integrated charge-pump power supply that enable this device to deliver two times more output power than conventional Class AB or Class D speaker amplifiers provide from a Li-ion battery
2007-02-01 Class G amp drives thin piezoelectric speakers
Maxim has introduced the MAX9788, said to be the industry's first mono, Class G amplifier specifically designed to drive the high capacitive load of piezoelectric loudspeakers.
2007-06-13 Class D stereo amplifier offers low power consumption
Rohm Co. Ltd has developed a digital input Hi-Fi class-D headphone amplifier LSI designed specifically for portable audio devices such as MP3 players, IC recorders, electronic dictionaries, digital cameras and notebook PCs.
2012-04-19 Class D audio amp for MP3 docking station
Know how to incorporate the MAX98400 Class D audio amplifier in a stereo audio docking station application.
2009-10-05 Class D audio amp boasts 1W constant power
The constant-power filterless Class D audio amplifier delivers
2009-09-11 Class D amp saves board space, cost
STMicroelectronics' 50W+50W stereo Class D amplifier IC delivers audiophile sound quality.
2013-05-08 Choosing the right audio amp topology
Here's an examination of the most important characteristics of each class of audio amplifier available today.
2010-12-03 China still fueling demand for RF power amp, device markets
Report indicates that RF power amplifier and device sales still reliant on China, TD-SCDMA and GSM/GPRS/EDGE
2002-04-16 Celeritek VSAT power amp provides 34.5dB gain
Designed for transmit subsystem functions in the Ku-band of VSAT applications, the CMM1430-KU 1W power amplifier offers a 34.5dB linear gain and 32dBm of saturated output power
2007-09-20 CDMA power amp powers LG Chocolate phone
Anadigics Inc. announced it is shipping production volumes of its new AWT6321R dual-band CDMA power amplifier module to LG Electronics for the new Chocolate handset
2001-06-19 CATV reverse amp with step attenuator
This application note explains the thermal and RF layout considerations for ANADIGICS' ARA05050 CATV reverse power amplifier
2003-04-01 C&D surface mount inductors handle 2.1A
The 2300 series of miniature bobbin wound, surface-mount inductors from C&D Technologies offers nominal inductance values up to 100?H
2003-04-10 C&D power supplies offer IPMI module
C&D Technologies (NCL) Ltd has made available a family of CompactPCI power supplies that feature an optional I?C IPMI module
2005-10-20 Bypass or decouple your way to power supply noise reduction (Part 2
Understand better the dynamics of power distribution
2012-08-22 Buffer amp drives 50? load for 14bit, 16bit ADCs
The LTC6417 from Linear Tech operates from a single 5V supply and is fully specified for 0C to 70C and -40C to 105C (case temperature) operation ranges.
2005-04-06 Buffer amp adjusts for low noise or high power
Mimix introduces a GaAs MMIC three-stage buffer amplifier with ultra wide bandwidth and high dynamic range.
2007-09-28 Broadcom 802.11n chip integrates power amp
Broadcom has started sampling a single chip 802.11n compliant device that is being made in a 65nm CMOS process and integrates the power amplifier on chip
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