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光学采样脉冲功率,射频功率和电子后端带宽对光子模拟到数字转换器性能的影响
Junli Qi1,2, Xin Chen1, Meicheng Fu1
1College of Science, National University of Defense Technology, Changsha 410073, China.
Micromachines
|December 23, 2023
概括
优化光学采样脉冲功率,射频功率和电子后端带宽对于高性能光子模拟数字转换器 (PADC) 至关重要. 推设置可以实现比特有效数 (ENOB) 大于4个和高峰到高峰电压 (V) 大.
科学领域:
- 光子学 是一个光子学.
- 电气工程 电气工程
- 信号处理 信号处理
背景情况:
- 光子模拟数字转换器 (PADC) 提供高速信号转换.
- 优化PADC的性能需要仔细选择操作参数.
研究的目的:
- 实验研究光学采样脉冲功率,射频功率和电子后端带宽对PADC性能的影响.
- 确定最佳参数设置,以实现高有效位数 (ENOB) 和峰值到峰值电压 (V).
主要方法:
- 研究了一种时间和波长交叉的PADC,使用八通道41.6 GHz脉冲.
- 变化的平均脉冲功率 (0至-10 dBm),射频功率 (-10至15 dBm) 和后端带宽 (0.2至8 GHz).
- 使用ENOB和转换10.6GHz电信号的峰值到峰值电压 (V) 的特征性能.
主要成果:
- 脉冲功率:ENOB>4对于-9到-3dBm;V随功率增加.
- 射频功率:V随功率增加;ENOB显示增长趋势,但由于和或噪声,在极端下降.
- 后端带宽:ENOB>4对于3到8 GHz;建议带宽略大于Nyquist,以节省成本.
结论:
- 找到最佳设置:-3至-5dBm的平均脉冲功率,~10dBm的射频功率和3GHz的后端带宽.
- 这些参数可以实现ENOB> 4和大V的低成本,高性能PADC.
- 为PADC设计和参数选择提供指导.
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