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2012-02-27 Troubleshooting variable frequency drives
The increased use of VFDs comes with both the opportunity and challenge of learning to maintain, troubleshoot, and operate this equipment.
2008-04-07 Tiny buck regulator touts 2.4MHz switching frequency
Linear Technology has rolled the LTC3523/-2, a combination of a 600mA (ISW) synchronous boost and a 400mA (IOUT) synchronous buck regulator in a 3mm x 3mm QFN-16 package.
2005-12-02 Synchronous buck regulator with 4MHz switching frequency
Linear Technology unveiled a dual output, high efficiency, 4MHz, synchronous buck regulator that delivers up to 1.4A of continuous output current from one channel and up to 800mA from the second.
2008-03-27 Powering and dimming high-brightness LEDs with the LM3405 constant-current buck regulator
This article describes a few of the many application solutions for the LM3405 LED driver.
2006-01-04 Multi-topology converter integrates constant-current PWM
Linear Technology unveiled a current-mode multi-topology converter with constant-current PWM
2011-10-28 Microring resonator yields constant laser pulses
The device measures 80?m and can create hundreds of billions of pulses per second.
2012-09-28 How to select PCB materials for high-frequency apps
Find out how to simplify that choice when striving for the best tradeoff between ease of fabrication and best electrical performance.
2010-01-20 High quality, all-digital RF frequency modulation generation with the ADSP-2181 DSP and the AD9850 direct digital synthesizer
This application note describes the implementation of a high quality all-digital FM RF generator for use with audio frequency input signals
2012-02-29 Designing high frequency synchronizer with programmable MTBF features
Read about a high frequency synchronizer circuit with programmable mean-time-between-failure capabilities that is well suited for high frequency clock gating and input signal synchronization applications
2007-01-22 DC/DC features adjustable operating frequency
Linear Technology has introduced the LT3845, a 4-60V input range, synchronous DC/DC step-down controller with adjustable 100-500kHz operating frequency
2007-03-28 DC/DC converters drive LEDs at constant current
Linear Tech has announced two 40V, 4.5A DC/DC converters designed to drive high-current LEDs at constant current
2006-06-05 DC/DC converter operates as constant-current LED driver
Linear's new dual, step-down DC/DC converter is designed to operate as a two-channel constant-current LED driver
2005-12-05 DC/DC converter drives five white LEDs with constant current
National Semiconductor introduced a small dual step-up DC/DC converter that drives up to five white LEDs with a constant current or an organic LED display with a constant voltage
2005-08-30 Dc-dc converter drives up to 16 white LEDs with constant current
Linear Technology unveiled a dual step-up dc-dc converter designed to drive up to 16 white LEDs (eight LEDs in series per channel) with constant current
2005-02-03 Charge pump doubler's high switching frequency saves size, cost
Two charge pump doublers in a 2-by-2mm DFN package was recently released by Linear Technology.
2004-11-08 Buck regulator blends small size, high-frequency operation
National Semi introduced a 75V buck regulator with all the functions needed to implement an efficient power management solution capable of supplying in excess of 1A load current.
2011-04-07 Boot capacitor regulation in LM25007 constant-on-time converter
LM25000 series of constant-on-time (COT) integrated regulators provide a way of implementing a step down buck regulator with nearly fixed frequency.
2011-12-26 Boost converters tout 1MHz switching frequency
The ZLED7015 can drive devices that require a constant voltage and the wide input voltage range of 6-30V supports applications
2013-05-23 Macom's varactor diode built for high frequency VCO tuning
The MAVR-000120-1411 is a package-less varactor with contacts that allows for standard solder reflow manufacturing processes and is fabricated using a GaAs process.
2008-09-03 Buck regulators achieve ultrafast switching frequency
Analog Devices Inc. says it has introduced one of the industry's smallest buck-boost regulatorsand the first to support switching frequencies at speeds up to 2.5MHz.
2009-01-30 Step-down regulator touts 95% efficiency
Linear Technology Corp. has released the LTC3603 high efficiency, 3MHz synchronous buck regulator that uses a constant frequency, current mode architecture.
2012-10-01 Using LM5018 isolated evaluation board
Learn about the LM5018 regulator which integrates both the high and low side power switches needed for creating isolated buck converter.
2007-10-16 Tiny LED driver powers 10 50mA LEDs
Linear Technology has announced the LT3590, a 48V, buck mode DC/DC converter designed to operate as a constant-current LED driver
2006-04-12 Sink driver helps cascade, control LED clusters
Macroblock announced its new MBI6010, a three-channel constant current sink driver designed to provide color combinations to RGB LED clusters
2009-12-17 RF transceiver cuts costs, extends battery life
Semtech Corp. is offering a programmable RF transceiver that features a 135dBm link budget that is 10dB more than competing devices.
2009-02-25 Power Tip #1: Dealing with power supply's trade-offs
Selecting the optimum operating frequency for your power supply is a complex trade-off involving size, efficiency and cost. In general, low-frequency designs tend to be the most efficient, but are the largest and most costly
2015-11-03 Optimising equalisation for FFE, CTLE, DFE
Know the significance of balancing cost and power against CTLE/Tx FFE and the number of DFE taps in a way that reduces ISI without amplifying crosstalk.
2009-05-12 Low-axis materials improve antenna efficiency
The Advanced Circuit Materials (ACM) Division of Rogers Corp. has developed the latest patent-pending innovation in high frequency materials, RT/duroid 5880LZ laminate
2011-03-08 LED driver touts current accuracy
Supertex presents the HV9971, a patented, isolated, constant current LED driver for solid-state lighting applications
2008-01-21 LED driver has silent error detection feature
Macroblock has expanded its line of constant current LED driver with silent error detection with the MBI5039 device aimed at LED panel applications
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