0.18μm CMOS 2.5Gb/s光接收机跨阻前置放大器的设计  

A 0.18μm CMOS transimpedance preamplifier for optical receivers

作　　者：周盛华[1] 杨波[2] 韩鹏[2] 王志功[2] 

机构地区：[1]中国计量学院光学与电子科技学院,浙江杭州310018 [2]东南大学射频与光电集成电路研究所

出　　处：《中国计量学院学报》2007年第4期301-304,共4页Journal of China Jiliang University

摘　　要：给出了一种利用TSMC 0.18μm CMOS工艺实现的2.5 Gb/s跨阻前置放大器.此跨阻放大器的增益为66.3 dBΩ,3 dB带宽为2.18 GHz,等效输入电流噪声为112.54 nA.在标准的1.8 V电源电压下,功耗为7.74 mW.输入光功率为-10 dBm时,PCML单端输出信号电压摆幅为165 mVp-p.模拟结果表明该电路可以工作在2.5 Gb/s速率上.A 2.5 Gb/s transimpedance preamplifier was realized by using the 0.18 μm CMOS technology. This preamplifier gave a 2. 18 GHz bandwidth with 66.3 dBΩ transimpedance gain. The equivalent input current noise was about 112.54 nA. Under the supply voltage of 1.8 V, the power dissipation was 7.74 mW. The PCML single-ended output signal had the constant output voltage swing of 165 mVp p. Simulated results show that the amplifier can operate at the bit rate of 2.5 Gb/s.

关 键 词：光接收机 前置放大器 跨阻放大器 CMOS工艺 

分 类 号：TN722.7[电子电信—电路与系统]