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对高速调制器驱动电路 HEMT IC中器件参数进行了研究 ,着重讨论了 HEMT器件直流参数、交流参数对外调制驱动电路特性的影响 ,给出了满足电路性能要求的器件参数范围 ;对 2 .5— 10 Gb/ s PHEMT IC光驱动电路进行了计算机仿真 ,眼图模拟结果表明满足 2 .5— 10 Gb/ s高速光纤通信系统需要
The parameters of the HEMT IC in the high-speed modulator driver circuit are researched. The influences of the DC parameters and the AC parameters of the HEMT device on the characteristics of the external modulation driver circuit are mainly discussed. The range of the device parameters that meet the circuit performance requirements is given. Computer simulations of the 10 Gb / s PHEMT IC driver circuit were performed, and eye diagram simulations showed that the 2.5 Gb / s high-speed optical fiber communication system required