A CMOS optical receiver for optoelectronic integrated circuits
Abstract
A CMOS receiver for optical wireless communication is presented. A stable feedback transimpedance amplifier (TIA) is designed adopting a current-mode amplifier as its feedforward gain element. A band-pass limiting amplifier is employed to boost the outputs of the receiver front-end. Implemented in a 0.35 um CMOS, the optical wireless receiver achieves a maximum transimpedance gain of 95.9 dBΩ. The maximum bandwidth is 220 MHz in the presence of a 5 pF photodiode capacitance.
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