Mobile Radio (Helicopter)

October 24, 2006

Making HD Making HD electronic newsgathering (ENG) easierelectronic news gathering (ENG) easier

A professional mobile radio, used for civil and military communications, emergency services, aid, vigilance and control, is powered by Vicor. The modules provide mechanical and thermal ruggedness, correct temperature and humidity ranges, Radio Frequency Susceptibility (radiated and conducted) performances, high-efficiency, and shock and vibration resistance.

The European Organization for Civil Aviation Electronics (EUROCAE), who works jointly with RTCA in the development of standards, defines a series of minimum standard environmental test conditions and applicable test procedures for airborne equipment.

The purpose of these tests, which last 20 days, is to determine the performance characteristics of airborne equipment in environmental conditions representative of those which may be encountered in airborne operation of the equipment. Vicor has passed the DO160 test successfully! 

The Z-link system, shown below, consists of two main parts. The base unit uses two custom VI-26B (95 V output) modules configured to develop a ±95 Vdc isolated output. This allows up to 200 W of power to be transmitted over 10 km, via cable, to the Z-link interface unit, that is connected to the high definition camera.

The interface unit steps down the 189 V using VI ‘5’ series modules to run audio and video equipment. Data is sent back through the Z-link to the base unit for live transmission or recording. Information about the health of the cable is also monitored so that the 189 V is disabled, via relays in the base unit, for safety.




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