10Gb/s, 3.3V，高功率效率的激光/调制器驱动器

Proceedings of the 31st European Solid-State Circuits Conference, 2005. ESSCIRC 2005. Pub Date : 2005-12-05 DOI:10.1109/ESSCIR.2005.1541651

M. Sanduleanu, E. Stikvoort

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引用次数: 3

摘要

本文提出的光通信激光/调制器驱动以低功耗为目标。带推挽驱动器的单端输出允许3.3 V供电，同时为激光留下1.8 V。将激光器与开路集电极输出级进行直流耦合，利用驱动器的直流偏置电流对激光器进行偏置。IC的最小供电电压为2.7 V。该电路在Philips QUBiC4 BiCMOS IC工艺中实现，截止频率f/sub /为37GHz。该芯片作为芯片安装在板上，并测量电输出信号。信噪比为7.44dB，测量误码率<10/sup -12/。最小上升/下降时间约为42 ps，测量到的有效值抖动为5.3 ps, IC的有源面积为800/spl倍/700 /spl μ /m/sup 2/。在供电电压3.3 V、室温条件下，功耗为240mw。

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A 10Gb/s, 3.3V, laser/modulator driver with high power efficiency

The presented laser/modulator driver for optical communication aims at low power dissipation. The single-ended output with a push-pull driver allows a 3.3 V supply while leaving 1.8 V for the laser. The laser is DC coupled to the open collector output stage so that the DC bias current of the driver is used for biasing of the laser. The minimum supply voltage of the IC is 2.7 V. The circuit was realised in the Philips QUBiC4 BiCMOS IC process with a cut off frequency f/sub T/ of 37GHz. The chip was mounted as a die on board and the electrical output signal was measured. The signal-to-noise ratio is 7.44dB, the measured bit error rate is <10/sup -12/. The minimal rise/fall time is about 42 ps and the measured rms jitter is 5.3 ps. The active area of the IC is 800/spl times/700 /spl mu/m/sup 2/. The dissipation is 240 mW for a supply voltage of 3.3 V and room temperature.

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Proceedings of the 31st European Solid-State Circuits Conference, 2005. ESSCIRC 2005.

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