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Dyke Shaffer has more than 30 years of experience in the high-tech industry, spanning desktop computer design, test and measurement systems, telecommunications development and integrated circuit design. As an early member of the Cerent hardware development team, Dyke was one of three principal engineers that contributed the systems level design and implementation of the Cerent product line. His individual contributions included the design of backplanes and OC-48 optics interfaces from conception to product release. Prior to Cerent, Dyke was at Next Level Communications where he designed and implemented NLC�s backplanes, outside plant optical network unit and the OC-3 bidirectional optics interface. Dyke�s work with bidirectional optics introduced the first dual closed loop laser driver methodology used to control optic power levels and helped establish the requirements for this optic telecommunications standard. Prior to NLC, Dyke spent his first 20 years, mostly at Hewlett Packard, doing analog and digital design including integrated circuit development in nmos, cmos, bipolar and gaas techonologies | 