founded Hewlett-Packard Company in 1939. HP diversifies its production into electronic test‚ measurement equipment and computers and peripherals products: in 1990‚ HP had over 50 operations worldwide with revenues of $13.2 billion and net income of $739 million. In 1988‚ the Deskjet printer was introduced and had become one of HP’s most successful products‚ with sales of 600‚000 units/$400 million in 1990. Summary This case study deals with Hewlett-Packard (HP)‚ a famous manufacturer of computers and
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5 Volt DC Power Supply Rakibul Hassan Department of EEE‚ Ahsanullah University of Science and Technology (AUST)‚ Dhaka‚ Bangladesh. E-mail: rakib_h@y7mail.com Key Words Transformer‚ Rectifier‚ Pulsating DC‚ Ripple voltage‚ Filter‚ Zener diode. Abstract: |Serial No.|Component Details |Specification |Quantity | |1. |Transformer |220V/12V |1 piece | |2. |p-n junction diode |1N4007 |4 piece
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Unlimited Power Supply Before I came up wit the U.P.S. (Unlimited Power Supply)‚ I was struggling with an idea for this science fair. However I thought of a magnetic car. Then after school I heard my parents saying that our electricity bill was getting too high‚ so I tried to think of a solution. Then I read an article about how a Prius battery could power a house‚ and then I thought about how I could power a house using a rechargeable battery like is found in the Prius. Then I came across the Bedini
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White Paper #1 The Different Types of UPS Systems Revision 5 By Neil Rasmussen 2003 American Power Conversion. All rights reserved. No part of this publication may be used‚ reproduced‚ photocopied‚ transmitted‚ or stored in any retrieval system of any nature‚ without the written permission of the copyright owner. www.apc.com Rev 2004-5 2 Executive Summary There is much confusion in the marketplace about the different types of UPS systems and their
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A PROJECT REPORT ON VARIABLE POWER SUPPLY GUIDED BY Mrs. PALLAVI INGLE PREPARED BY DHARANG SHAH JIGNESH VYAS 10EC154 09EC065 DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING YEAR: 2010 DEPARTMENT OF ELECTRONICS AND COMMUNICATION ENGINEERING SAL INSTITUTE OF TECHNOLOGY AND ENGINEERING RESEARCH AHMEDABAD-380060 CERTIFICATE This is to certify that the following students of the third semester Electronics and Communication Engineering have successfully submitted the project
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Abstract : A DC power supply is very important in our day to day life. We use it to charge or operate our DC components like charger light‚ cell phone battery charger etc. It’s nothing but a AC to DC converter. Keywords: 5V DC power supply‚ rectifier‚ diode‚ filter‚ capacitor‚ zener diode‚ voltage regulator‚ signal‚ waveshape. 1. Introduction I’m designing a 5V DC power supply. Here I’m basically designing a AC to DC converter. To convert the AC to DC‚ I’m using components like full wave bridge
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scheme DC-DC converter. The converter is a phase-shifted full-bridge PWM converter that is designed to operate as a front stage of a power conversion system where the input is a variable low voltage high current source. The converter is designed to step-up the low voltage input to an acceptable level that can be inverted to a 120/240 VAC 60Hz voltage for residential power. A DSP based adaptive control model is developed‚ taking into account line variations introduced by the input source while providing
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ID:-13103030 Section:-B RAID is a data storage technology that combines multiple disk drive components into a logical unit for the purposes of data redundancy and performance improvement. Data is distributed across the drives in one of several ways‚ referred to as RAID levels‚ depending on the specific level of redundancy and performance required. RAID is now used as an umbrella term for computer data storage schemes that can divide and replicate data among multiple physical drives: RAID is
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CASE: GS-3A DATE: 05/01 (Rev’d. 3/8/04) Hewlett-Packard Company DeskJet Printer Supply Chain (A) INTRODUCTION Brent Cartier‚ Manager for Special Projects in the Materials Department of Hewlett-Packard (HP) Company’s Vancouver Division‚ clicked off another mile. It had been a long week and it looked like it would be a long weekend as well‚ based on the preparation that needed to be done for Monday’s meeting with Group Management on worldwide inventory levels for the DeskJet Printer product line
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the organization in Europe claims that inventory levels there need to be raised even further to maintain satisfactory product availability. THE DESKJET SUPPLY CHAIN The network of suppliers‚ manufacturing sites‚ distribution centers (DCs)‚ dealers‚ and customers for the DeskJet product make up the DeskJet supply chain (see Exhibit 17.14). HP in Vancouver does manufacturing. There are two key stages in the manufacturing process: (1) printed circuit assembly and test (PCAT) and (2) final assembly
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