SEPTEMBER 25, 2009 -– GPON technology supplier BroadLight has been awarded patent number 7,583,904 by the U.S. Patent Office for a "Transimpedance (TIA) circuit usable for burst mode communications." The TIA circuit includes a TIA stage, limiter-amplifier, and DC restoration loop. BroadLight says the invention allows enhanced distance between central office (OLT) and customer premises equipment (ONT), helping to consolidate central office space and power.
"BroadLight has always been focused on improving our PON end-to-end design and put a special effort on innovative burst mode technology implementation, leveraging our leadership position in the PON IC market," says Igor Elkanovich, vice president, VLSI, of BroadLight. "Our incumbency position in all ITU-T PON deployments helped us in directing our design effort to bring state-of-the-art and highly integrated SoC [system-on-chip] solutions."