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A 15Gb/s AC-Coupled VCSEL Driver with Waveform Shaping in 65nm CMOS

机译:具有65nm CMOS波形整形的15Gb / s交流耦合VCSEL驱动器

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A Vertical Cavity Surface Emitting Laser (VCSEL) driver in 65nm CMOS selectively-enables parallel low-power CMOS drivers to shape the output current waveforms and compensate VCSEL nonlinearities. The CMOS waveform-shaping drivers are AC-coupled allowing them to operate from a 1-V supply to save power, while parallel low-frequency paths provide programmable DC biasing from a 3-V supply. The measured VCSEL driver is able to achieve 15Gb/s with up to 5.1dBm OMA at a total power dissipation of 60mW, or 2.1dBm OMA at 28mW corresponding to 1.9pJ/bit. The driver occupies 250 × 160μm including the on-die AC-coupling.
机译:采用65nm CMOS的垂直腔表面发射激光器(VCSEL)驱动器有选择地启用并行低功耗CMOS驱动器,以调整输出电流波形并补偿VCSEL非线性。 CMOS波形整形驱动器是交流耦合的,允许它们以1V电源工作以节省功率,而并行的低频路径则提供来自3V电源的可编程DC偏置。测得的VCSEL驱动器能够以60mW的总功耗,高达5.1dBm的OMA达到15Gb / s的速度,或者以28mW的1.9pJ / bit的功耗达到2.1dBm的OMA。驱动器占250×160μm,包括片上交流耦合。

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