论文信息 - Tunable, low-power, high-gain Transimpedance amplifier for fNIRS photoreceiver front-end

Tunable, low-power, high-gain Transimpedance amplifier for fNIRS photoreceiver front-end

We present in this paper a new Transimpedance Amplifier (TIA) for photoreceiver front-end circuit designed using 0.35 µm CMOS technology to be used in a functional near infrared spectroscopy (fNIRS) system. The main advantages of this circuit are low-power consumption (0.01mW and 0.3mW at 1V and 3V bias voltages) and high transimpedance gain (0.1 to 250 MV/A) accompanying with the tunable high bandwidth (1kHz to 1 GHz), high-speed data rate and very low input and output noise, 1fA/√Hz and 2µV/√Hz respectively. The post-layout simulation results confirm the excellent performance of the proposed design compared to latest available photoreceivers.

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