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Robust fibre optic links target industrial apps

Posted: 18 Nov 2010     Print Version  Bookmark and Share

Keywords:fibre optic links  data transmission  Versatile Link series  renewable energy 

Avago Technologies extends it's Versatile Link series with a line of optical fibre transmitters and receivers optimised for harsh temperature environments i.e the 40 to +85° C extended industrial temperature range. The HFBR-152xETZ/252xETZ modules eliminate the electromagnetic interference, crosstalk, and electrical ground problems that are common with copper wire solutions, while also providing easier, more flexible installation.

The optical fibre modules provide reliable data transmissions over cost-effective plastic or silica fibre and designers can use the devices to implement system control or drives in wind turbines and solar farms, traction inverters in trains, and for other industrial applications and medical systems.


The HFBR-152xETZ transmitters are based on a high-power, 650nm LED that is easy to drive and modulate. The transmitters operate at speeds from 1-125MBd over distances up to 100m. The HFBR-252xETZ high-bandwidth receivers contain a PIN photodiode and internal transimpedance amplifier. The modules come in plastic housing that interlock for single-channel or duplex links in a horizontal mount configuration, providing flexibility to designers during PCB layout.

"The addition of these new Versatile Link series modules with extended temperature range operation is based directly on requests from our customers in the rapidly growing renewable energy and transportation markets," said Mickael Marie, marketing manager for industrial fibre products at Avago. "With best-in-class electromagnetic compatibility performance and ease-of-use, Avago optical fibre modules have become the de-facto industry-standard for industrial applications."

The HFBR-152xETZ/252xETZ is compatible with 1mm diameter plastic optical fibre and 200µm hard-clad silica fibre. It is RoHS compliant. It's transmitter and receiver application circuit schematics and recommended board layouts are also available

The HFBR-1527ETZ transmitter and HFBR-2526ETZ analogue receiver are designed for transmissions from 1 to 125MBd. The HFBR-1521ETZ transmitter and HFBR-2521ETZ digital receiver transmit from DC to 5MBd, and the HFBR-1522ETZ transmitter and HFBR-2522ETZ digital receiver transmit from DC to 1MBd.

Samples and production quantities of Avago's HFBR-1521ETZ transmitter and HFBR-2521ETZ receiver are available now through Avago's direct sales channel and worldwide distribution partners.

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