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2008-06-09 Current sense amplifier weathers harsh environments
Linear Technology has introduced the military-plastic-grade (MP-grade) LT6107, a high-side current sense amplifier that operates over the temperature range of -55C to 150C.
2006-03-07 Current amplifier enhances NI DMM, DAQ module performance
National Instruments further extends its low-level measurement PXI offering for digital multimeters and data acquisition devices with the new NI PXI-4022 guard and current amplifier.
2003-05-12 X3100 Current Measurement Accuracy
This test measures the accuracy of the current sense amplifier circuit of the X3100.
2010-08-19 WLAN power amplifier is 1.5mm x 1.5mm
Microsemi introduces the new LX5514M power amplifier, a continuation of their WLAN product family expansion for the smartphone market
2009-12-04 WLAN power amp consumes 391mA current
Microsemi has begun volume production of its LX5518 power amplifier for IEEE 802.11b/g/n WLAN applications in the 2.4GHz to 2.5GHz frequency range
2008-10-03 Wide input range earmarks current-sense amplifiers
Maxim Integrated Products introduces the MAX9928/MAX9929 low-cost, current-sense amplifiers for monitoring charge and discharge currents
2006-06-02 VFA, CFA, Bipolar or CMOS - Which high-speed amplifier is best for your low-noise application
Both current- and voltage-feedback amplifier topologies are popular choices for high-speed applications. An understanding of the differences in circuit topology along with basic noise and distortion characteristics is crucial for optimal product selection.
2006-01-18 Variable gain amplifier takes aim at wireless infrastructure
ADI announced an analog-control variable-gain amplifier that is optimized for linearity in wireless infrastructure applications, such as cellular base station radio transceivers
2010-06-23 Using the MCP4728 12bit DAC for LDMOS amplifier bias control applications
The DAC is favourably used in the bias control circuit for the base station power amplifier module. In practical applications, the bias control circuit maintains the IDQ within a 4 percent range. This application note shows an example of how the DAC converter is used for this purpose
2000-12-01 Using the current sensing IR212X gate drive ICs
This application note discusses current sense operation and current sensing circuit configurations using International Rectifier's IR212X gate drivers
2010-01-06 Tiny AC current sensor replaces big transformers
The family of current sensors provide a reliable, cost-effective alternative to transformers for today's power delivery systems
2002-04-02 TI logarithmic amplifier provides 20-bit dynamic range
The LOG102 logarithmic amplifier measures the log ratio of input currents from 1nA to 1mA with 0.5 percent accuracy and produces an output voltage of change of 1V for each decade change of input current.
2005-01-14 TI digital amplifier chipset reduces DVD costs
TI announced a six-channel digital amplifier chipset that it claims offers the highest channel density in the industry
2005-01-18 TI audio power amplifier with 80% lower noise floor
TI introduced a high-performance, filter-free stereo Class-D audio power amplifier
2003-09-30 TI audio amplifier targets cellphones, PDAs
Texas Instruments has introduced what it claims is the highest output power mono Class-AB audio amplifier in the market today
2005-01-20 TI amplifier with 'exceptional speed versus quiescent power ratio
Texas Instruments unveiled a unity-gain stable, high-speed voltage feedback amplifier from its Burr-Brown product line
2004-01-19 TI amplifier targets wireless comm apps
Texas Instruments has announced a low-power, current-feedback amplifier from its Burr-Brown product line that offers unmatched bandwidth at low and high gains.
2002-06-19 STMicro linear audio amplifier has <10nA standby current
The TS4871, TS4872, and TS4860 audio power amplifiers from STMicroelectronics deliver 1W of continuous rms output power into an 8W load at 5V.
2010-11-30 Stereo audio amplifier improves listening experience, other features
STMicroelectronics stereo audio amplifier offers power- and space-saving features
2005-06-29 Stereo amplifier's low standby current reduces battery drain
STMicroelectronics' 2 x 1W stereo audio power amplifier with active low standby mode is said to deliver high-end audio capability to portable applications
2004-11-02 ST linear power amplifier suits WLAN apps
ST introduced a linear power amplifier for use in WLAN apps meeting the IEEE802.11b/g standards, such as notebook PCs, desktop PCs, PDAs and other mobile products
2013-03-08 Solid state amplifier 10Hz1MHz Frequency range apps
AR's 350AH1 solid state amplifier is a portable, self-contained, 350 watt/10Hz C 1MHz unit ready for a wide range of applications
2008-05-29 Small video amplifier enables signals to SDTVs
Maxim's MAX9515, claimed as the industry's smallest, lowest pin-count video filter amplifier for SD video connections from portable devices to TVs, has a technology that reduces current consumption.
2004-01-29 Sirenza amplifier has internal regulated bias circuit
Sirenza Microdevices has expanded its silicon germanium (SiGe) product portfolio with the release of the SGB family.
2005-10-12 SigmaTel acquires DDX digital amplifier technology
SigmaTel Inc., a mixed-signal multimedia semiconductor company, has acquired the Direct Digital Amplification (DDX) technology, design team and intellectual property from Apogee Technology Inc. for an undisclosed amount. DDX is a class-D digital amplifier technology that converts digital audio directly into power without the need for a DAC. The technology boasts of an all digital solution with a high efficiency level for small form factor designs and low power dissipation than average analog solutions
2002-08-22 SiGe Semi WLAN amplifier cuts current consumption by half
The SE2522L 2.4GHz power amplifier combines a SiGe architecture with power control circuitry to reduce current consumption by as much as 50 percent over competing products.
2013-09-03 Select precision resistor for 4C20 mA current loop
The low output voltage level of the analog sensor and the long distance to the control room together contribute to considerable system design challenges. Here are clues on how to solve them.
2003-01-27 RF Solutions WLAN amplifier touts efficiency
The company has introduced the RFS P2023 power amplifier suitable for use in both 802.11b and 802.11g apps
2002-08-30 RF Solutions WLAN amplifier provides 30dB gain
Suitable for use in IEEE 802.11b and 802.11g WLAN products, the P2020 power amplifier operates from a single 3.3V power supply and provides a power gain of 30dB
2009-04-27 Protect current-sense amplifiers against overvoltage transients
This application note describes methods of protecting lower-voltage current sense amplifiers from high-voltage spikes and transients. Such conditions are frequently encountered in automotive car battery operation, and are referred to as load-dump conditions
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