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How Current Return Paths Affect Signal Integrity

Sat Oct 30, 2010 11:15 am by XREDXR

As the speed of electronics increase, engineers are increasingly concerned with fundamental electronic design issues to ensure the proper operation of their systems and product designs.
Donald L. Sweeney, D.L.S. Electronic Systems Inc. -- Design News, October 28, 2010
When a signal is passed through a trace, it is safe to expect the majority of the signal will be contained in the trace. But when …

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Injected Projectile Boosts Design Options

Sat Oct 30, 2010 11:15 am by XREDXR

A promising injection molding technology on display at K 2010 is the projectile injection technology in which a plastic "bullet" powered by a burst of inert gas is shot through molten plastic.

Röchling, a German molder, developed the technology to improve uniformity of wall thicknesses created in the gas injection process.

"The inner diameter is defined by the projectile," …

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Laser science

Tue Aug 17, 2010 3:17 pm by taixyz1992

Laser science or laser physics is a branch of optics that describes the theory and practice of lasers.

Laser science is principally concerned with quantum electronics, laser construction, optical cavity design, the physics of producing a population inversion in laser media, and the temporal evolution of the light field in the laser. It is also concerned with the physics of laser beam …

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Bishop Perowne CE College

Tue Aug 17, 2010 3:18 pm by taixyz1992

Bishop Perowne CE College is a Church of England school in Worcester, Worcestershire, England. It is a co-educational school, secondary school with a capacity of 1,050 pupils aged between 11 and 16. The school is a specialist Performing Arts College and was the first Worcestershire school to take Specialist Performing Arts status in 2002.[1]

An Ofsted inspection in June 2009 awarded the school a …

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Modern University for the Humanities

Tue Aug 17, 2010 3:17 pm by taixyz1992

The Modern University for the Humanities (MUH), established in 1992, is a state-accredited higher educational institution in Moscow, Russia offering primarily distance-based undergraduate, graduate, and post-graduate studies and vocational education.

MUH's philosophy is to make available accessible, high-quality education regardless of a student’s place of residence. MUH uses an individualized …

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Blonde Sky Divers

Sun Sep 19, 2010 1:38 pm by taixyz1992

A blonde and a brunette are skydiving.

The brunette jumps out the plane and pulls the cord -- nothing happens.

She pulls the emergency cord and still nothing.

The blonde finally jumps out of the plane and yells "Oh! So you wanna race, huh?"


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Because of absence

Sun Sep 19, 2010 4:32 pm by taixyz1992


Mother: Why did you get such a low mark on that test?
Junior: Because of absence.
Mother: You mean you were absent on the day of the test?
Junior: No, but the kid who sits next to me was.

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Stone and Stone- Breaker

Sun Sep 19, 2010 4:31 pm by taixyz1992

A very strict officer was talking to some new soldiers whom he had to train. He had never seen them before, so he began:
“My name is Stone, and I’m even harder than stone, so do what I tell you or there’ll be trouble. Don’t try any tricks with me, and then we’ll get on well together.”
Then he went to each soldier one after the other and asked him his name. “Speak loudly so that …

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Vitruvius..

Mon Sep 27, 2010 12:02 pm by taixyz1992


Marcus Vitruvius Pollio (born c. 80–70 BC, died after c. 15 BC) was a Roman writer, architect and engineer (possibly praefectus fabrum during military service or praefect architectus armamentarius of the apparitor status group), active in the 1st century BC. By his own description[1] Vitruvius served as a Ballista (artilleryman), the third class of arms in the military offices. He likely served …

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Statistics
Diễn Đàn hiện có 26 thành viên
Chúng ta cùng chào mừng thành viên mới đăng ký: jampeysakwuck

Tổng số bài viết đã gửi vào diễn đàn là 89 in 56 subjects
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Hiện có 1 người đang truy cập Diễn Đàn, gồm: 0 Thành viên, 0 Thành viên ẩn danh và 1 Khách viếng thăm

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Số người truy cập cùng lúc nhiều nhất là 11 người, vào ngày Wed Jan 19, 2011 6:56 pm