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Topic: Nanosecond


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In the News (Sun 29 Nov 09)

  
  Microwave Rules of Thumb - Microwave Encyclopedia - Microwaves101.com
Electromagnetic energy such as microwave radiation travels one foot in one nanosecond in free space.
The 10% to 90% rise time of a pulsed signal, in nanoseconds, will be approximately equal to 0.35 divided by the bandwidth of the network, in GHz.
If you are trying to effect an RF short circuit using a quarter-wave stub, use a low impedance line, or better still, use a radial stub.
www.microwaves101.com /encyclopedia/rulesofthumb.cfm   (2683 words)

  
 Computer storage - Wikipedia, the free encyclopedia
The time taken to access a given byte of information stored on a hard disk is typically a few thousandths of a second, or milliseconds.
By contrast, the time taken to access a given byte of information stored in random access memory is measured in thousand-millionths of a second, or nanoseconds.
The relevant unit of measurement is typically nanosecond for primary storage, millisecond for secondary storage, and second for tertiary storage.
en.wikipedia.org /wiki/Computer_storage   (2615 words)

  
 Nanosecond.Com
Please check the "Outage Reports" for updates with our Internet Network status.
Send mail to webmaster@nanosecond.com with questions or comments about this web site.
Copyright © 1999 Nanosecond, Inc. All rights reserved.
www.nanosecond.com   (147 words)

  
 Time Supplement [Internet Encyclopedia of Philosophy]
These standard definitions of the second and the meter amount to defining or fixing the speed of light in a vacuum in all inertial frames.
The speed is exactly one meter per 0.000000003335640952 seconds or 299,792,458 meters per second, or approximately 186,282 miles per second or about a foot per nanosecond.
There can no longer be any direct measurement to see if that is how fast light REALLY moves in an inertial frame; it is simply defined to be moving that fast.
www.iep.utm.edu /ancillaries/time-sup.htm   (12863 words)

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