Broadcast Camera in venues – TAC Fiber

Editor’s Note: This is part two of a three part series.

TAC fiber drumAs said in my previous blog broadcast cameras operate on either hybrid fiber (SMPTE311) or triax cables. The professional broadcast market has started to standardize on HD for studio production and on 3G for sports events. 3D is pioneered in some movies and international sports events (e.g. Olympics and Football Worldcup) and will create another era of broadcasting. Keep that in mind camera teams have the need to deliver all formats with no downtime – easy to handle and highest quality products are needed. On the other side the new fiber cabling infrastructure will add cost compared to the traditional use of triax cabling infrastructure.  To solve this problem, Belden has especially designed products which help to lower total cost of ownership and reduce service and maintenance costs.

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Triax or hybrid cable for HD digital TV signals?

HD Camera Editor’s Note: This is part one of a three part series.

There are basically two ways to transmit an HD signal from the camera head to the base station: triax or SMPTE311 hybrid fiber cable. A triax cable carries multiple signals over a solid or stranded conductor surrounded by an inner shield and an outer shield. It was first used publicly at the Dorado Open Golf Tournament in Miami in 1975, and was the de facto camera standard by the time ABC covered the 1976 Winter Olympic Games in Innsbruck, Austria.

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