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The 10MBd HFBR-3810Z fibre-optic (FO) short-link transmitter/receiver from Avago Technologies isolates frequency inverter and power converter applications common in renewable energy installations.

In power-generating wind and solar farms, fibre-optics technology is considered the preferred isolation technology to interface between low-voltage control logic or microprocessors and high-voltage power inverters and switching circuits.

The FO short-link technology pin-to-pin distance of 24.96mm provides transient voltage suppression of 12kV according IEC 60664-1.

Avago’s FO short-link technology allows galvanic isolation on one PCB where previously separate transmitter/receiver pairs on two PCBs were linked by plastic optical fibre for isolation.

The HFBR-3810Z allows much more compact designs.

FO short-link devices have creepage and clearance specifications greater than existing optocoupler devices and offer better galvanic isolation than transformer-based technology, according to Avago.

Fibre technology has strong EMI resistance and EMC characteristics.

The Avago HFBR-3810Z short-link transmitter/receiver is said to operate reliably in high noise environments common in high-voltage switching and motor control equipment and systems.

The DC coupled data link does not require data encoding or digitising circuitry.

The FO receiver has a CMOS/TTL output for interface design.

In addition to the HFBR-3810Z, Avago Technologies offers a wide range of fibre-optic transmitters, receivers, transceivers, IGBT/Power Mosfet gate drivers and optocoupler isolation products for wind turbine, wind farm and solar electric power generation applications.

Avago Technologies

Avago Technologies is a leading supplier of analogue interface components for communications, industrial and consumer applications. By leveraging its core competencies in III-V compound and silicon semiconductor design and processing, the company provides an extensive range of analog, mixed signal and optoelectronics components and subsystems to approximately 40,000 end customers.

Backed by strong customer service support, the company's products serve four diverse end markets: industrial and automotive electronics, wired infrastructure, wireless communications, and consumer and computer peripherals. Avago has a global employee presence and heritage of technical innovation dating back 40 years to its Hewlett-Packard roots. Information about Avago is available on its website.

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