Fiber Optic Wiki

What is FTTX?

April 12, 2012

FTTH – Fiber-to-the-home- fiber gets to the borderline of the life space, like a box on the external walls of a home.

PAL

April 12, 2012

PAL is short for Phase Alternating Line was presented by Walter Bruch in 1967 who worked for Telefunken in German.

SECAM principle

The luminance signal is transmitted in each line when the SECAM standard in the process of signal transmission. But two color difference signals are transmitted in chronological sequence line by line. That is to say, use this method of stagger transmission time to avoid the cross-color and color distortion in the process of transmission.
SEC AM Features

NTSC

April 12, 2012

NTSC, named for the National Television Standards Committee, is responsible for the development of the standard television broadcast transmission and reception protocol. In addition, there are two other standards, Phase Alternating Line (PAL) and Sequential Color and Memory (SECAM), which used for other countries in the world. NTSC has nothing changes except for adding new parameters of the color signal. While, NTSC signals cannot directly compatible with computer systems.

What are Differences of bare fiber, loose tube and tight buffer tube?

April 11, 2012

Bare fiber

From the fiber production process, which the composition of the fiber from the inside out: the core, cladding, a coating, and secondary coating.

PCI Express Video Is Faster than AGP Video?

April 11, 2012

Yes and No. A 16x PCI Express connection is at least 190% Faster than AGP 8x but this is the connection between the system and the video card. You use the connection the most when your video card is low on memory or when the game you are using uses a Direct X or Open GL feature that isn't supported in hardware.

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