DC-DC Converter Design for Battery-Operated Systems Harry Arbetter. Robert Erickson. and Dragan Maksimovid Power Electronics Group Department of Electrical and Computer Engineering University of Colorado‚ Boulder‚ CO 80309-0425 USA Abstrurt - This paper describes performance‚ design and optimization of de-dc converters for energy limited‚ battery operated systems. Variable-frequency operation is used to achieve voltage regulation and high efficiency for an extremely wide range of load currents
Premium Inductor Capacitor
The Beltway Sniper During October 2‚ 2002 a series of murders started to happen around Washington D.C area‚ as well as in the Baltimore area. Five shootings attacks occurred in a fifteen hours period‚ which continued on for another three weeks. People were surrounded by fear and authorities did not have any clues of what or why these shootings were happening. Different messages and signs were left at the scene of the crime by the killer‚ but still nothing solid enough to have any suspects. The
Premium Federal Bureau of Investigation
Monuments what is a monument ? what kind of art is a monument ? is a monument something you see in everyday life ? A monument is a statue‚ building‚ or other structure erected to commemorate a famous or notable person or event. The type of art a monument is a memorials and civic statuary are perhaps the oldest and most obvious form of officially sanctioned public art ‚ monument is not something you would see in everyday piece of art it’s something you’d have to search for but not a everyday thing
Premium United States American Civil War United States Constitution
To start‚ the Confederate Defenders of Charleston monument was established during 1932 by the people of Charleston to provide a memory for those whose relatives fought for the Confederacy during the American Civil War. The monument itself displays a message of the Confederate veterans who defended Charleston and Fort Sumter from the Union. On October 20‚ 1932‚ many people in Charleston dedicated this monument in the Battery at White Point Gardens‚ to show that their relatives who fought for the
Premium American Civil War Slavery in the United States United States
By Chris Dinesen Rogers‚ eHow Contributor updated: April 22‚ 2010 Pollution ’s Impact on Historical Monuments Significance Pollution negatively impacts historical monuments and buildings around the world‚ from the Acropolis in Greece to the America ’ s own Lincoln Memorial. The threat is in the risk of losing these irreplaceable structures forever. Many of these monuments have cultural and aesthetic value that is beyond price. Acid Rain One of the more destructive forms of pollution is acid rain
Premium United States Environmental Protection Agency Air pollution Acid rain
Confederate Monuments The Confederate monuments are a vital part of history and eliminating them is like eliminating history. The past is the past and the monuments do not stand for racism it stands for a part of history and it definitely wasn’t a good part of history but it was a learning experience for it to not happen again. The statues and flag stands for history of the south and every time someone see a flag or monument it reminds them of what the ancestors of the south did and fought for in
Premium American Civil War Confederate States of America Southern United States
Apartheid Museum The apartheid museum is often seen as a place remembering the atrocities of the past and commemorating the struggle of the black people. The emphasis on black is no coincidence‚ there is very little here that shows the struggle of others‚ or even shows the ruling ANC as anything besides the victim. In fact the creation of the museum was in response to a requirement by the then ‘new’ ANC government‚ which required casinos to provide a way to attract tourists‚ before the government
Free South Africa Afrikaner White people
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
Premium Rectifier Direct current
India is a land where wonderful temples and monuments remind visitors about its rich traditions and cultural diversity. I believe that no trip to India can ever be complete without a visit to the Bahá’í House of Worship‚ also known as the Lotus Temple and it is this monument that I would advise a first time visitor to India‚ to discover. Located in New Delhi‚ the Lotus Temple is one of the most beautiful monuments of the Bahá’í faith built in 1986 by Fariborz Sahba. The temple is designed in the
Premium India Delhi New Delhi
(intel and amd images)Intel vs. Amd The Central Processing Unit or Processor is the most important component of a computer. The two most common types of CPUs on the market today are manufacture by Intel and AMD. Intel is the largest global supplier of microprocessors for the x86 architecture and AMD is the second largest. AMD concentrates primarily on CPUs‚ chipsets‚ and other microprocessors‚ but Intel explores into many other markets including networking technologies‚ motherboards
Premium Central processing unit