(Motor Controls and Drives)
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Home energy systems based on renewable sources such as solar and wind power are becoming more popular among consumers and gaining increasing support from governmental bodies. Such systems, however,... (View Full Article)
(Industrial Computing)
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In 2007, the PCI SIG released an external cabling specification enabling interconnection of PCI Express systems at 2.5 Gb/s (Generation 1) and 5Gb/s (Generation 2), facilitating access to PCIe... (View Full Article)
(Optoelectronics)
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There are many challenges associated with high-voltage Li-ion battery-stack management in all-electric or hybrid automotive applications. Charge and discharge cycles must be monitored and controlled,... (View Full Article)
(RF, Microwave, and Wireless Components)
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The worldwide mobile handset quarterly growth rate remains in the single digits, but shipments of smartphones continue to explode; and with each successive generation, smartphones continue to off er... (View Full Article)
(Data Acquisition and Signal Conditioning)
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High common-mode noise is a significant problem that automotive system designers must overcome when designing a practical and reliable powertrain drive system. Common-mode noise (also known as dV/dt... (View Full Article)
(Optoelectronics)
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Patient contacts in medical devices must be isolated from ac mains to protect the patient from hazardous voltage shocks. In medical imaging devices, large quantities of video imaging data need to be... (View Full Article)
(Optoelectronics)
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Avago's new ACE Q100 grade optocouplers, the ACPL-K4xT/K7xT series has signifi cantly lower LED driving current compared to conventional optocouplers, thus lowering system power consumption.... (View Full Article)
(Fiber Optics)
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Industrial environments are particularly challenging for data communications network designs for a variety of reasons. Typically rife with electromagnetic interference (EMI), unless every precaution... (View Full Article)
(Data Acquisition and Signal Conditioning)
From this Article:
Industrial environments are particularly challenging for data communications network designs for a variety of reasons. Typically rife with electromagnetic interference (EMI), unless every precaution... (View Full Article)
(Fiber Optics)
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Solar energy has recently become a popular alternative energy source to meet demands around the world due to the fl uctuation of oil/coal prices and global warming issues. Oil is a limited and di... (View Full Article)
(Fiber Optics)
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Avago Technologies is the fi rst fi ber optic module vendor to product release a fully compliant 40Gb Ethernet QSFP+ optical transceiver. Leveraging its history in delivering 850nm VCSEL based... (View Full Article)
(Transistors)
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Insulated-gate bipolar transistors (IGBTs) require full protection to avoid damage and failures resulting from conditions such as short circuits, overloads and overvoltages. The protection is key to... (View Full Article)
(Fiber Optics)
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Isolation components such as optocouplers that are used in applications that have user safety issues as a key aspect must not fail under continuous high-working-voltage bias conditions. Safety hazards... (View Full Article)
(Networking Equipment)
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With each passing day, the volume of digital information fl owing through the world's data networks grows at an ever increasing rate. The growth of server virtualization, cloud computing, and trend... (View Full Article)
(Communication IC)
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The ever-increasing quantity of data moving around the datacenter and over the Internet is straining the infrastructure as it struggles to keep up. Core functions such as the storage subsystems, the... (View Full Article)
(Optoelectronics)
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Optocouplers are used extensively for high-voltage isolation and electrical noise rejection - two essential requirements for transmitting correct information between different voltage potentials... (View Full Article)
(Motor Controls and Drives)
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Fieldbus (or field bus) is the name of a family of industrial computer network protocols used for real-time distributed control. It is a way to connect instruments in a manufacturing plant.... (View Full Article)
(Optoelectronics)
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The ACPL-x6xL products are optically coupled ultra-low power 10 MBd digital CMOS opto couplers that operate with low power consumption, especially when the light emitting diode (LED) operates at low... (View Full Article)
(Optoelectronics)
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Electrical systems, no matter what their purpose, share three primary requirements: reliable, safe, and long life operation. To ensure safe operation, users must be double insulated from any dangerous... (View Full Article)
(Optoelectronics)
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Hybrid electric vehicles (HEVs) save fuel because of their electric motor drive. In an HEV, the propulsion system can be configured several ways, for example in the electric motor assisted mode or in... (View Full Article)
(Light Sources)
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Inverter Gate Driver optocouplers are ideally suited for IGBT and MOSFET applications for variable speed motor drives. Their high output peak currents coupled with high voltage safety standards... (View Full Article)
(Power Transmission)
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In this study, finite element analysis was used to optimize the design of a stator coupling in order to increase its natural frequency. Through design iterations and analysis, it was discovered that... (View Full Article)
(Encoders and Resolvers)
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Absolute encoders using optical technology often face limitations in resolution and size. For example, to achieve a higher resolution of up to 16-bits, the absolute encoder has to be combined with an... (View Full Article)
(RF, Microwave, and Wireless Components)
From this Article:
Avago Technologies' ABA-31563 is a low current silicon gain block RFIC amplifier housed in a 6 lead SC-70 (SOT-363) surface mount plastic package. Providing a nominal gain of 21.9 dB and P1dB of 2 dBm... (View Full Article)
(Encoders and Resolvers)
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Brushless Direct Current (BLDC) motors are gaining popularity and larger market acceptance. BLDC motors are used in industries such as Industrial Automation Equipments, Consumer, Medical, Automotive,... (View Full Article)
(Diodes)
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The use of tables for designing impedance matching filters for real loads is well known [1]. Simple complex loads can often be matched by this technique by incorporating the imaginary portion of the... (View Full Article)
(Fiber Optics)
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Global warming and climate changes from CO2 emissions of traditional energy sources, such as those powered by fossil fuels, have created huge markets for alternative power generation. Wind turbine... (View Full Article)
(Drive Components)
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The global market demand for hybrid-electric vehicles (HEVs) will grow approximately twenty percent annually through 2010[1]. The popularity of these fuel-efficient vehicles is driven by erratic fuel... (View Full Article)
(Machine and Motion Controllers)
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This article discusses how the parameters related to optocoupler propagation delay can affect data ntegrity and system reliability for applications requiring isolation of the I2C bus interface,... (View Full Article)
(Optoelectronics)
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Bootstrap power supplies can be used to reduce the number of isolated power supplies or DC-to-DC converters. This helps to reduce cost and the PCB space as compared to transformer-based power... (View Full Article)
(Optoelectronics)
From this Article:
Home energy systems based on renewable sources such as solar and wind power are becoming more popular among consumers and gaining increasing support from governmental bodies. Such systems, however,... (View Full Article)
(Optoelectronics)
From this Article:
Thanks to the dvancement of surface mount LED package design and materials in recent years, coupled with the progress in LED die efficiency, surface mount LED packaging can now deliver the required... (View Full Article)
(Motor Controls and Drives)
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The AEDR-850x encoder is the smallest three-channel optical encoder with digital outputs in the market, employing reflective technology for motion control purposes. This article describes the... (View Full Article)
(Motor Controls and Drives)
From this Article:
The ACPL-M61L is an optically coupled ultra-low power 10 MBd digital CMOS optocouplers that operates with low power consumption, especially when the light emitting diode (LED) operates at low current.... (View Full Article)
(Fiber Optics)
From this Article:
Optocouplers and alternative isolation technologies find widespread use in a variety of products for signal isolation and high voltage level shifting. These devices may also be used to provide safety... (View Full Article)
(Optoelectronics)
From this Article:
Digital optocouplers in an electrical system provide high voltage insulation and noise rejection for data transmission. A high quality insulation barrier in the optocoupler is needed to provide... (View Full Article)
(Optoelectronics)
From this Article:
Usually, an IGBT (Insulated Gate Bipolar Transistor) is described in the following way: "An IGBT is a combination of a field effect transistor and a bipolar transistor where an N-channel FET controls... (View Full Article)
(Fiber Optics)
From this Article:
Strain sensing solutions based on polymer optical fibers (POF) provide designers with low-cost sensing solutions that are lightweight, immune to electromagnetic interference (EMI) and electromagnetic... (View Full Article)