Cover story
Helmet vision systems offer GPS position and routing, direct verbal communications and image collection
Helmet and clothing-mounted cameras also need to be small, lightweight and rugged. Data can be routed from the camera to other equipment, and power can be constantly supplied to the camera. Cables are often custom designed to match each system as well route with rugged flexibility within the field gear worn by the troops. Digital signal rates from newer high-speed CMOS chip cameras often use differential signal technology that runs up to 10 gigabits per second. Newer field cameras and LIDAR systems can also offer multi-frequency surveillance from visual range to medium- wave infrared (MWIR) and longer-wave infrared (LWIR) imaging. There are larger systems for battlefield analysis that face the same challenges during transportation, and are set up as cameras worn by the soldier. In all cases, cable and micro cables are most often designed specifically for high- speed data processing, and contain separate sections to provide power to the camera. During final cable assembly,
an aluminum wrapping offers shielding from section to section within the cable as well as to prevent any outside electromagnetic interference and insure cyber protection. The aluminum wrapping also maintains flexibility when wrapped over the cable before drawing a polyethylene over-jacket for ruggedness. In more extreme conditions, a braided shield is added to the cable. Unfortunately, some cable flexibility is lost and weight increases. Miniaturised microwave systems connect field personnel with airborne and central command centres. Omnetics Nano-Coax connector and cabling fits well into miniature RF modules. With focus on minimum size and weight, these interconnects serve well into the 20GHz range. Micro-Coax often use button snap-connections that offer lower frequency performance and are vulnerable to shock and vibration. Omnetics Nano connectors are designed similar to larger screw-lock coax to insure constant strong attachments and constant signal integrity during shock and vibrations at ¼ the size.
Nano-Coax on a PC Board LIDAR in the battlefield
This has propelled Omnetics to a state of readiness and capability to provide adaptive connector and cable design services. We provide direct communication with sales representatives and inside sales team as needed. Omnetics features military standard products and equally offers solid modelling for application-specific needs. We also have our High-Speed Interconnection Specialists aimed at micro and miniature connectors and cables for the Dismounted Warrior.
www.omnetics.com Please contact our sales team at
www.omnetics.com
www.electronicsworld.co.uk December 2021/January 2022 07
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