INTEGRATED CIRCUITS DATA SHEET TZA3001AHL; TZA3001BHL; TZA3001U SDH/SONET STM4/OC12 laser drivers Preliminary specification Supersedes data of 1997 Sep 08 File under Integrated Circuits, IC19 1999 Aug 24 Philips Semiconductors Preliminary specification SDH/SONET STM4/OC12 laser drivers FEATURES • 622 Mbits/s data input, both Current-Mode Logic (CML) and Positive Emitter Coupled Logic (PECL) compatible; maximum 800 mV (p-p) • Adaptive laser output control with dual loop, stabilizing optical ONE and ZERO levels • Optional external control of laser modulation and biasing currents (non-adaptive) • Automatic laser shutdown • Few external components required • Rise and fall times of 120 ps (typ...

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