Limiting Amplifiers for Next-Generation Multi-Channel Optical I/O Interfaces in SoCs

We present two fully differential limiting amplifiers with and without inductive peaking, designed and integrated in 0.18mm digital CMOS technology. The key design trade-offs, the importance of inductive coupling between neighboring channels, as well as the design of peaking inductors in a standard process are discussed. The amplifiers, which are intended for multichannel integrated optical receiver arrays, achieve a bandwidth of 4GHz and a gain of 32dB. The silicon area occupied by either amplifier is less than 0.5mm2, while the area of the inductors can be further reduced.


Published in:
Proceedings IEEE International SOC Conference, 1
Presented at:
IEEE International SOC Conference, Herndon, Virginia, USA, September 25-28
Year:
2005
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 Record created 2005-10-10, last modified 2018-03-17

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