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Development of Optical Video Device for HD-SDI Video Signal Transmission
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 Title & Authors
Development of Optical Video Device for HD-SDI Video Signal Transmission
Lee, Dong-Real;
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 Abstract
We have developed an optical video transmission device for HD-SDI signal transmission. The optical transmitter/receiver unit operates at DC 5 volt and small enough to be attaced near surveillance camera. They have internal voltage regulating circuits to supply 3.3V to other circuits inside the unit. The optical transmitter is composed of cable driver, laser diode driver, and laser diode. The optical receiver is composed of photodiode, limiting amp, and cable equalizer. The wavelength of the trasmitter was 1.3 um, and optical power was -5dBm, and the speed was 1.485Gbps. The receiver sensitivity was -23 dBm. We confirmed that the optical device can transmit HD-SDI video through 30 km optical fiber without any interruption.
 Keywords
Video;HD-SDI;Optical Fiber;High Definition;CCTV;SMPTE 292M;
 Language
Korean
 Cited by
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