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低动时钟接收器用于快速定时应用程序
Carl Grace1, Maurice Garcia-Sciveres1, Timon Heim1
1Lawrence Berkeley National Laboratory, Berkeley, CA 94720, USA.
Sensors (Basel, Switzerland)
|April 12, 2025
概括
本研究介绍了一种设计用于精密计时应用的新型时钟接收器和分配电路. 开发的电路实现了超低动性能,这对于4D粒子跟踪和PET成像等先进系统至关重要.
科学领域:
- 物理 物理学 物理
- 电气工程 电气工程
- 粒子物理学 粒子物理学
背景情况:
- 精确计时对于先进的科学应用至关重要,包括4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,4D粒子跟踪,5D粒子排放.
- 时间到数字转换器 (TDC) 的动性能从根本上受到输入脉冲采集和分配电路的质量限制.
研究的目的:
- 评估和开发用于精密计时系统的低的时钟接收器和分配电路.
- 设计和制造与辐射环境和冷温度兼容的电路.
主要方法:
- 评估各种时钟接收器和分配电路设计.
- 用电阻负荷驱动伪差分钟分配网络的差分放大器的制造.
- 集成到三个原型芯片中:模拟前端测试台,TDC评估和低收益雪崩探测器 (LGAD) 读取.
主要成果:
- 开发的时钟接收器和分配电路表现出低于2.25ps-rms的动.
- 该电路使用28纳米CMOS技术制造,占据2288μm2的小面积.
- 该设计显示了辐射耐受性和冷兼容性.
结论:
- 制造的时钟接收器和分配电路满足未来精确计时系统的严格计时要求.
- 这一进步对于提高高能物理实验,医学成像和融合研究的性能至关重要.
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