A 1.8 V, 2.5 Gbps Burst Mode Optical Receiver with Feedforward Created Reset for EPON System
2007
This paper presents a 1.8 V, 2.5 Gbps burst mode optical receiver using limiting amplifiers with automatic DC offset control for EPON system. To achieve a fast response and low supply voltage design goal, new burst mode circuit architecture with feedforward created reset using 0.18 mum CMOS technology is proposed. The circuit consumes 166 mA from a 1.8 V voltage supply. A single ended overall gain of 96 dBOmega is achieved. The circuit operates well at 2.5 Gbps at different input power levels with a settling time of less than 10 ns that includes the worst case reset creation delay time.
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