Fiber optic cable-based high-resolution, long-distance VGA extenders

Jin-Geun Rhee; Iksoo Lee; Heejoon Kim; Sungjoon Kim; Yeon-Wan Koh; Hoik Kim; Jiseok Lim; Chur Kim; Jungwon Kim

doi:10.1117/12.2007891

27 February 2013 Fiber optic cable-based high-resolution, long-distance VGA extenders

Jin-Geun Rhee, Iksoo Lee, Heejoon Kim, Sungjoon Kim, Yeon-Wan Koh, Hoik Kim, Jiseok Lim, Chur Kim, Jungwon Kim

Proceedings Volume 8630, Optoelectronic Interconnects XIII; 86300L (2013) https://doi.org/10.1117/12.2007891
Event: SPIE OPTO, 2013, San Francisco, California, United States

Abstract

Remote transfer of high-resolution video information finds more applications in detached display applications for large facilities such as theaters, sports complex, airports, and security facilities. Active optical cables (AOCs) provide a promising approach for enhancing both the transmittable resolution and distance that standard copper-based cables cannot reach. In addition to the standard digital formats such as HDMI, the high-resolution, long-distance transfer of VGA format signals is important for applications where high-resolution analog video ports should be also supported, such as military/defense applications and high-resolution video camera links. In this presentation we present the development of a compressionless, high-resolution (up to WUXGA, 1920x1200), long-distance (up to 2 km) VGA extenders based on serialized technique. We employed asynchronous serial transmission and clock regeneration techniques, which enables lower cost implementation of VGA extenders by removing the necessity for clock transmission and large memory at the receiver. Two 3.125-Gbps transceivers are used in parallel to meet the required maximum video data rate of 6.25 Gbps. As the data are transmitted asynchronously, 24-bit pixel clock time stamp is employed to regenerate video pixel clock accurately at the receiver side. In parallel to the video information, stereo audio and RS-232 control signals are transmitted as well.

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Jin-Geun Rhee, Iksoo Lee, Heejoon Kim, Sungjoon Kim, Yeon-Wan Koh, Hoik Kim, Jiseok Lim, Chur Kim, and Jungwon Kim "Fiber optic cable-based high-resolution, long-distance VGA extenders", Proc. SPIE 8630, Optoelectronic Interconnects XIII, 86300L (27 February 2013); https://doi.org/10.1117/12.2007891

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KEYWORDS

Video

Clocks

Receivers

Video compression

Analog electronics

Fiber optics

Transceivers

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