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6 GHz transimpedance amplifier for optical sensing system in low-cost 0.35 μm CMOS

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3 Author(s)
M. Li ; Dept. of Electr. & Electron. Eng., Univ. of Nottingham ; B. Hayes-Gill ; I. Harrison

A high-speed transimpedance amplifier (TIA) has been designed and implemented in a low cost 0.35 mum CMOS technology. Combining the techniques of regulated cascode input stage, current shunt feedback and inductive-series peaking, the TIA achieves a transimpedance gain of 51 dBOmega and 3 dB bandwidth of 6 GHz, in the presence of a photodiode capacitance of 0.6 pF. This is believed to be the fastest TIA ever reported in 0.35 mum CMOS technology

Published in:

Electronics Letters  (Volume:42 ,  Issue: 22 )