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Active Termination
Active terminators control the impedance
at the end of the bus by using a voltage regulator rather than relying
on power supplied by the host adapter or device. This type of termination
supports longer cable lengths and faster data transfer rates than passive
termination.
Active termination provides better
immunity to fluctuations in TERMPWR. Reflections are minimized by closely
matching the characteristic impedance of the cable thereby increasing
the signal-to-noise ratio.
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CertiGuide to A+ (A+ 4 Real) (http://www.CertiGuide.com/apfr/) on CertiGuide.com
Version 1.0 - Version Date: March 29, 2005
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