基于高速肖特基二极管的100 ps瞬态取样门设计与仿真
Design and simulation of 100 ps transient sampling gate based on high speed Schottky diode
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摘要: 皮秒级瞬态取样门主要应用于激光聚变实验和高能物理实验中，对单次高速脉冲进行实时取样。提出了一种新颖的基于肖特基二极管桥的平衡取样门，给出其模型和具体电路设计。电路仿真结果表明，对称的选通设计保证了选通脉宽为100 ps时，取样间隔也为100 ps，取样门带宽为4.4 GHz，可应用于多路超短激光脉冲取样。Abstract: The picosecond transient sampling gate is mainly applied in laser fusion and high energy physics experiments for single high-speed pulse real-time sampling. A new balanced sampling gate based on monolithic Schottky bridge quad diodes is put forward in this paper as well as its model and circuit design. The circuit simulation shows that the symmetric strobe design ensures that the sampling interval is 100 ps and the sampling gate bandwidth is 4.4 GHz when the strobe pulse width is 100 ps. The gate can be used in multi-beam ultrashort laser pulses sampling.
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Key words:
- laser pulse sampling /
- schottky diodes /
- balanced sampling gate /
- pulse width /
- design and simulation
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