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Impedance matching
A video signal occupies a wide spectrum of frequencies, from nearly DC (0 Hz) to 6 MHz. If the output impedance of either the video source, cable, or input impedance of the receiving equipment are not properly matched, a series of problems may arise. Loss of high-frequency detail and colour information as well as image instability, oscillations, snow, ghost images, and component heat-up may result.
Proper connexions and cable types provide correct impedances. See Load Resistance.
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- Part of Speech: noun
- Synonym(s):
- Blossary:
- Industry/Domain: Software
- Category: Video editing
- Company: Tektronix
- Product:
- Acronym-Abbreviation:
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