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What is Advanced Mobile Phone System (AMPS)?
Advanced Mobile Phone System (AMPS) is the most common type of First Generation analogue cellphone network developed by Bell Labs. It was suited for voice rather than data communications and operated in the 800MHz frequency band using frequency division multiple access (FDMA) technology. As of February 18, 2008, carriers in the United States were no longer required to support AMPS.
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2002-05-29 Vishay combines two AGC amps into single chip
Vishay Intertechnology Inc. has launched its second-generation dual MOSMICs MOS monolithic ICs for UHF/VHF tuners, that combine two automatic gain controlled amplifiers into a single package.
2008-09-19 Video amps enhance images, capacity of HDTVs
Analog Devices has launched three high-performance video amplifiers that bring higher levels of picture quality and power efficiency to HDTV and video equipment.
2014-03-06 Utilising audio amps for voltage splitting
Here's a look at several voltage splitters built around power audio amplifiers.
2014-04-22 Utilise audio amps for voltage splitting (Part 4)
This instalment focuses on the reducing of noise from voltage splitters.
2014-04-16 Utilise audio amps for voltage splitting (Part 3)
Here's a look at voltage splitters based on power audio amplifiers.
2014-03-17 Utilise audio amps for voltage splitting (Part 2)
In the second part of this series, we discuss some features of power audio amplifiers.
2007-04-23 Using the DS4303 to bias LDMOS RF power amps
One key element to providing high performance with LDMOS amplifiers is compensating the gate bias voltage to maintain a constant quiescent current over temperature.
2007-08-21 Using op amps as comparators
This document by ADI's James Bryant summarizes the reasons and warns of possible unexpected consequences of using an op amp as a comparator.
2005-06-13 Using high-speed op amps for high-performance RF design, part 1
This app note focuses on the actual topology of RF stages formed with op amps and the scattering parameters.
2009-06-10 Using auto-zero op amps in signal-conditioning apps
This article explores the history behind auto-zero op amps and provides a high-level overview of this architecture. An example application is analyzed to further compare the auto-zero architecture to that of traditional op amps.
2003-10-03 Universal Evaluation Board for High Speed Op Amps in CSP Packages
This application note describes the Evaluation Board for High Speed Op Amps in CSP Packages.
2003-10-03 Universal Evaluation Board for Dual High Speed Op Amps in SOT-23-8 Packages
This application note discusses in detail the Universal Evaluation Board for Dual High Speed Op Amps in SOT-23-8 Packages.
2009-09-03 Ultrasmall audio amps claim highest RF immunity
Intersil Corp.'s new low-power audio amplifiers claim to offer the smallest size and best RF immunity.
2009-11-05 Ultra-linear, push-pull amps tailored for CATVs
RFMD's CGA/CGR product portfolio uses the company's process technology to deliver best-in-class distortion performance.
2015-04-23 Ultra-broadband portable bench top RF amps go up to 40GHz
The bench top amplifiers offer up to 60dB small signal gain with high dynamic range, low noise figure of 5dB and output P1dB compression power ranges from 10dBm to 22dBm.
2003-09-17 u?t Photonics photoreceivers use Inphi amps
u?t Photonics AG has developed with Inphi Corp. two differential pin-TIA photoreceivers for SONET OC-768/SDH STM-256 fiber optic networks.
2005-11-10 Two new amps from Hittite
Hittite Microwave announced an MMIC driver amplifier die and a surface mount packaged MMIC power amplifier targeted at microwave radio applications from 5GHz to 20GHz.
2005-10-10 TriQuint's new millimeter wave amps offer high output power
TriQuint introduced four new millimeter wave amplifiers designed for the demanding bandwidth needs of point-to-point radios, point-to-multipoint communications, and commercial or military satellite communications apps.
2012-09-25 TriQuint wins DARPA contract to up performance of RF power amps
The Near Junction Thermal Transport effort will build on TriQuint's advanced GaN on silicon carbide technology and the reliability of its modern RF ICs.
2003-12-03 Tripath amps power latest Hitachi PDP TVs
Hitachi Ltd has selected Tripath Technology Inc.'s digital audio amplifier to be integrated into its new line of plasma TV receivers.
2006-07-14 Transimpedance amps tout improved sensitivity
MAZeT's second-generation programmable-gain transimpedance amplifiers tout improved sensitivity and less noise.
2007-10-03 Transimpedance amps roll for next-gen SFP+ optical modules
Gennum has added a pair of devices to its wideband, low-noise transimpedance amplifier line for next-generation SFP+ optical modules.
2010-06-01 Transimpedance amps handle 10/40/100G apps
GigOptix Inc. has begun high volume production of its portfolio of transimpendance amplifiers addressing 10G, 40G and 100G applications.
2012-04-20 Transimpedance amps for 40G optical networks
Geared for the telecommunications industry, the silicon germanium GX3122B dual channel TIA boasts increased linear gain over 30dB of dynamic range.
2002-06-06 Toshiba PIN receiver modules integrate TIA, limiting amps
Toshiba America Electronic Components Inc. has announced the availability two new 10Gbps PIN receiver modules featuring an integrated TIA and limiting amplifier.
2006-10-03 Tiny precision op amps draw less than 1?A
Linear Tech's new family of ultralow-power, small-footprint op amps draw less than 1?A and operate from 1.6V to 16V.
2005-11-03 TI's new amps drive high-speed ADCs in demanding applications
Texas Instruments introduced three additions to itslow noise, low distortion fully-differential amplifiers that drive high-speed ADCs.
2005-01-27 TI's fully-differential amps push ADCs to 100MHz
Texas Instruments' next-generation differential amplifiers for driving high-speed ADCs up to 100MHz tout low noise and distortion and fast settling time.
2006-01-09 TI's Class D amps generate less heat
Texas Instruments announced its first digital amplifiers designed to meet the high reliability and unique requirements of the automotive market.
2004-05-20 TI zero-drift op-amps ideal for power-sensitive apps
The company has announced a series of 12V, zero-drift op-amps from its Burr-Brown product line which are ideal for high-precision, power-sensitive apps.
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