Abstract
A transimpedance amplifier (TIA) has been designed and implemented for short‐reach optical interconnect applications. The TIA, which is based on the regulated cascode technique, is implemented with a bandwidth enhancement technique, where capacitive degeneration and resistive feedback has been exploited in a 0.13 μm CMOS technology, while maintaining a small chip area and low power consumption. The TIA showed a measured transimpedance gain of 51dBΩ and works up to 10 Gb/s in the presence of 0.3 pF input photodiode capacitance. It occupies an active area of 0.013 mm2 with a power dissipation of 4.3 mW. The proposed TIA achieved high gain‐bandwidth product per DC power (GBP/DC) figure of merit of 589 GHzΩ/mW with an input referred noise of 20 pA/√Hz.
| Original language | English |
|---|---|
| Pages (from-to) | 2484-2487 |
| Journal | Microwave and Optical Technology Letters |
| Volume | 55 |
| Issue number | 10 |
| Publication status | Published - Oct 1 2013 |
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Nguyen, N. T. H., Ukaegbu, I. A., Sangirov, J., Cho, M-H., Lee, T-W., & Park, H-H. (2013). 0.013 mm2 and Low‐power 10 Gb/s Transimpedance Amplifier for Short‐reach Optical Interconnects. Microwave and Optical Technology Letters, 55(10), 2484-2487.