Picor Filters Are Providing Smaller, Lighter, High-Performance
EMI Solutions for Today’s Military
When SCR 300 radios – the famous “walkie-talkie” of World War II – were introduced to combat in 1943, they quickly became ubiquitous. This addition to the less mobile field telephone made it possible for every unit from platoon to division to communicate reliably with one another and with forces on sea and in the air. Before then, battlefield communications were often limited to runners between units and signals – such as flares, bells, whistles, trumpets, and other visual and aural signals – to communicate or acquire information. Today’s military communications capabilities have expanded to enable the transmission of voice, data, and video information in bad weather or good, day or night wherever it’s needed.
As a practical matter, military systems – HF modems, transmitters, power amplifiers, man-pack/vehicular radios – need smaller, lighter, high performance EMI solutions. Power converters typically have 24/28 V inputs with a wide variety of power ranges, often with redundant feeds. These devices usually require a wide input operating range, and having a filter that can operate within that range is important. Picor filters are compatible with wide-input- range converters and can support up to 14 A at a 10 V low line, depending on the QPI model.
Military power systems are now moving toward distributed power 1 , so board-level filtering is growing in popularity. With only a few packaged solutions competing in the space, the Picor solution is positioned to win lots of sockets.
1 Military DC-DC Converters Eye Distributed Power – COTS Journal, October 2004
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