Abstract:
A monolithic integrated driver circuit developed for laser modulation in a 10 Gb/s optical-fiber link is presented. The IC was fabricated in a self-aligned double-polysil...Show MoreMetadata
Abstract:
A monolithic integrated driver circuit developed for laser modulation in a 10 Gb/s optical-fiber link is presented. The IC was fabricated in a self-aligned double-polysilicon Si-bipolar production technology with f/sub T//spl ap/25 GHz. The circuit can be operated up to 14 Gb/s with a maximum output voltage swing as high as 3.6 V at 50 /spl Omega/ load (corresponding to an internal current swing of 108 mA), which allows the circuit to drive external modulators. In addition, the circuit can be used for direct laser modulation at 10 Gb/s, since the output current swing can easily be controlled over a wide range (e.g., from 15 mA to 60 mA). Problems in the design of such driver circuits as well as their solutions are discussed in detail.<>
Published in: IEEE Journal of Solid-State Circuits ( Volume: 29, Issue: 9, September 1994)
DOI: 10.1109/4.309897
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