Page 25: of Marine Technology Magazine (September 2021)

BIRNS

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Established in 1954, BIRNS is a global leader in the design and manufacturing of high-performance connectors, penetrators, cable assemblies and lighting systems for deep ocean use. BIRNS solutions are found worldwide on submarines and sub- mersibles, diving bells and decompression chambers; ROVs, AUVs and UUVs; and on everything from massive manned systems to photonics masts and intricate towed arrays. BIRNS interconnect products deliver superior performance: faster data transfer for better telemetry and communications, and safer, more reliable power distribution in severely demanding environments, and its lighting systems 0LFUR86%/7UDFNLQJ%HDFRQV illuminate the depths for challenging applications worldwide. %LGLUHFWLRQDO$FRXVWLF'DWD0RGHPV

BIRNS is deeply committed to quality—with a quality management system certi? ed to ISO 9001:2015 by DNV GL. Its Oxnard, CA facility is certi? ed by the US Navy’s Submarine Maintenance Engineering, Planning and Procurement (SUBMEPP) division to NAVSEA S9320-AM-PRO-020, and the company is DD- 2345-certi? ed and DOS/DDTC/ITAR registered.

The 6km-rated BIRNS Millennium connector series has featured some major breakthroughs in technology and innovation recently, including a range of ground- breaking RF performance characteristics. These pressure-rated, low-loss RF (coax) connectors are ideal for GPS-frequency systems up to SHF (centimeter wave) in

IEEE bands S and C, and can be hybridized with electrical contacts and/or optical ferrules. BIRNS new 1C and 1V series assemblies offer low insertion loss even up to GPS frequencies, while BIRNS 1B units are capable of 18HGz and beyond.

BIRNS Millennium RF connectors are the most advanced and best-performing units on the market, with proprietary new RF technology providing low insertion 3RUWDEOH6LGHVFDQ6RQDUV loss, high frequency capability, open face pressure resistance, and 50O and 75O 7RZHG2(0+XOODQG3ROH0RXQWHG con? gurations. BIRNS exclusive RF contacts even withstand open face pressure to depths of 1400m.

The company launched the 1V series in 2021, with a compact 75O RF contact in a 50O footprint. It’s ideal for HD/SD video with signal frequencies to 3GHz, for shortwave antennas, or for low-power RF needing minimal signal attenuation.

And, due to its extraordinarily compact size, the 1V ? ts into many BIRNS coax pin con? gurations. BIRNS 1C (50O) and 1V (75O) contacts can be combined in the same connector, offering a range of ? exible, powerful new options in a small space.

In 2020, BIRNS developed exclusive deep submergence cable constructed for Cat 8.2 use, and now leads the industry with deep submergence cable assemblies with data transfer rates of 9.4+/- 0.1 Gigabits per second. Performance testing proved that data consistently transmitted at this rate over the entire range of pressures from 0 to 8700 PSI/600 bar (6000m equivalent depth).

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