Blog Archives

High-boost Harmonic Attenuator Module

October 7, 2005
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  Vicor’s high-boost VI-HAM is a universal AC input, PFC front-end module that has been optimised for use with Vicor’s V375 series of DC-DC converters. A single high-boost VI-HAM may be used with any combination of V375 series DC-DC converters up to 600 Watts, resulting in a power conversion system with high power density, few components, and low cost Parallelable versions of the VI-HAM are available for applications requiring over 600 Watts of output power. In addition, the high-boost VI-HAM is fully compatible with Vicor’s VI-26x and VI-J6x series DC-DC converters, giving designers the...

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MRI Scanning System

September 15, 2005
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The system is designed specifically for in-office musculoskeletal imaging, bringing MRI to the patient, and thus reducing the need for hospital visits. The compact, modular design requires as little as 8.4m2 and the low field MRI magnet is optimized for orthopedic use and imaging of extremities. Patients remain outside the magnet at all times during the examinations, enabling constant patient-technologist contact. This MRI system uses Vicor’s Junior modules in the temperature control system, where it is vitally important to keep the MRI magnets at a constant temperature.

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Get Your Ticket Here!

July 10, 2005
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When using public transport such as trains, buses or trams, you could be buying your ticket from a machine powered by Vicor. At a public bus or railway station, ticket machines have to tolerate all weather conditions, ranging from the freezing cold temperatures of long winters in Finland or Norway, to very hot summers in Spain or Italy. Because Vicor modules operate from -55ºC to +100ºC, they are ideally suited to this particular application. Inside a bus or tram, a ticket machine has to be able to withstand shock and vibration; because all Vicor...

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New Technical Library on CD

June 20, 2005
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The CD enables easy access to product data and application notes as well as linking to the internet to provide an up-to-date product catalogue. It gives access to webcasts and seminars, video demos showing how to optimise power supply systems, and a 180-page applications manual explaining the best design approaches and techniques to solve common challenges such as thermal issues, input and output filtering, and EMI considerations.  

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EMI Input Filters Compatible with Most DC-DC Converters

June 7, 2005
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The QPI family of active EMI filters provides conducted common-mode (CM) and differential-mode (DM) attenuation from 150 kHz to 30 kHz. The proprietary active filtering circuit provides superior attenuation for typical power conversion frequencies and supports PICMG ® 3.0 ATCA requirements. The QPI-4 and QPI-6 meet the specifications for the telecom bus: range 36-76 V including 100 V, 100 ms surge capability. Rated at 7 and 14 A, the products support single or multiple DC-DC converters requiring up to 672 W of input power at 48 V input. The QPI-3 and QPI-5 operate over...

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Laser for 3D Glass Engraving

May 20, 2005
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You may have already seen these nice little glass cubes with engraved 3-dimensional faces, animals, machines etc. They are manufactured by focusing a high power laser beam inside the glass. The energy of the laser beam causes micro explosions in the glass. The result is small white dots, and with hundreds of these dots a 3-dimensional picture appears inside the glass. Laser diodes are not only very expensive but also quite sensitive. Precise output regulation is necessary to control the current into the laser diodes. Vicor’s product was an ideal solution because of its...

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Customers Benefit from Vicor’s Chort Cycle-Time Production Processes

May 7, 2005
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The “component power” concept, where modular building blocks replace discrete component designs, has proved popular partly because customers benefit from the improved time-to-market. Over the past few years Vicor’s investment in automation and lean manufacturing processes has reduced the lead-time for manufactured products from weeks to days. Through our prototype service Vicor can offer delivery of small quantities of any one of 10,000 different standard modules from our factory in typically 10-15 days. Additionally, Power Express offers customers lead-times of less than six weeks on production quantities. Our offices around the world are staffed...

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