Drivers & TIAs enable next-gen optical networks

27th March 2015

Qorvo

Siobhan O'Gorman

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Optical transport products, designed for long haul, metro and data centre applications, have been released by Qorvo. The portfolio is comprised of three drivers and two Transimpedance Amplifiers (TIA), which deliver multi-channel and low power consumption options that reduce cost, enable outstanding channel-to-channel isolation while shrinking product form factor, and maximise integration and signal fidelity for network equipment manufacturers.

The TGA4960-SL is a 100G CFP2 SMT differential in/out quad-channel linear driver targeted at metro and LH applications. The TGA4893-SL, a dual-channel SMT driver, is designed for 16QAM 200G/400G linear applications, while the TGA4851-SL is a 100G CFP4 and QSFP28 quad-channel SMT driver targeted at emerging extended reach data centre applications.

The TIAs include the TGA4872, a 100G DP-QPSK dual-linear TIA, and the TGA4874, a 100G/400G quad-linear TIA with digital or analogue control. The TGA4874 quad-channel linear TIA features high transimpedance gain, automatic gain/output level control, and a high bandwidth option for 400G applications. Unique to the industry is the TGA4874, which includes a selectable control interface with either digital or analogue control for maximum flexibility for receiver designers.

"Qorvo is setting the standard for quality and reliability for optical fibre network infrastructure components, delivering millions of products to improve performance, reduce total cost, and accelerate the implementation of next-generation optical networks. Qorvo products support both limiting and linear transmit and receive through 400G," said James Klein, President, Infrastructure and Defense Products, Qorvo. "Qorvo's newly released portfolio of optical infrastructure products provide the building blocks for next-gen optical networks that require increased bandwidth, higher transmission capacity and lower cost to the network equipment providers."

Sampling of devices began in Q4 2014 to tier 1 and 2 NEMs and leading optical module manufacturers. General availability for the portfolio of products will begin in second quarter 2015.