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Introduction of Pulse Shaping

Introduction of Pulse Shaping. 2003, Apr.21 Mon. 1.Pulse Shaping の目的 2. 微分回路＆積分回路 3.Shaping における Parameter. 1. Pulse Shaping. Shaping Amp を使用、 Pre Amp の後に置く パルスの減衰時間を小さくする （ Pile-up を防ぎ、パルスの振幅成分を取り出す） Signal の増幅. 2. CR differentiation & RC integration.

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Introduction of Pulse Shaping

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  1. Introduction of Pulse Shaping 2003, Apr.21 Mon 1.Pulse Shaping の目的 2.微分回路＆積分回路 3.ShapingにおけるParameter

  2. 1. Pulse Shaping • Shaping Amp を使用、Pre Ampの後に置く • パルスの減衰時間を小さくする （Pile-upを防ぎ、パルスの振幅成分を取り出す） • Signalの増幅

  3. 2. CR differentiation & RC integration • 微分回路（High-Pass Filter）　 f 1/2πRC • Signalの高周波成分を通過させる • 積分回路（Low-Pass Filter） f1/2πRC • Signalの低周波成分を通過させる • 微分回路 ・・・ 高周波数成分を強調する • 積分回路 ・・・ Noise成分をならす

  4. 3. Parameters of Pulse Shaping • Shaping time : Output pulse の減衰時間を決定する • Pulse shape： Semi-Gaussian,Quasi-Triangule • Output Shape ・・・ bipolar or unipolar • Gain

  5. 3.2 Pulse shape • Output の波形を決める • Gaussian 利点 • Triangle　利点 Gaussian pulse の図 Triangle pulse の図

  6. 3.3 Pole zero cancellation • 「極」を取り除く方法。Undershootを防ぐ Undershoot Amplitude = τDiff＊Pulse Amplitude / τpre Undershootの図 Undershoot-reject の図

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