On the noise performance of a novel delay-switched gated integrator

J. Gál, G. Hegyesi, G. Kalinka, B. Nyakó, A. Kerek

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

For trapezoidal filtering, widely used for diminishing the harmful effect of the ballistic deficit, a modified version of the gated integrator is suggested. In this delay-switched gated integrator the true integration is delayed with respect to the beginning of the pulse, and for the delay period the true integration process is approximated with a low-pass filter. The paper theoretically compares the noise behavior of the delay-switched gated integrator and that of the gated integrator. The noise calculations are based on the concept of the step-and delta-noise residual functions and they are performed in three cases. In the first case the standalone shaping circuits are analyzed, in the second case they are preceded by a fast baseline restorer and in the third case they are preceded by a baseline restorer of finite time constant. It is shown that the novel delay-switched gated integrator preceded by a baseline restorer can be a good alternative to gated integrators.

Original languageEnglish
Pages (from-to)399-413
Number of pages15
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume397
Issue number2-3
DOIs
Publication statusPublished - Oct 1 1997

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integrators
Low pass filters
Ballistics
Networks (circuits)
low pass filters
ballistics
time constant
pulses

ASJC Scopus subject areas

  • Instrumentation
  • Nuclear and High Energy Physics

Cite this

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T1 - On the noise performance of a novel delay-switched gated integrator

AU - Gál, J.

AU - Hegyesi, G.

AU - Kalinka, G.

AU - Nyakó, B.

AU - Kerek, A.

PY - 1997/10/1

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N2 - For trapezoidal filtering, widely used for diminishing the harmful effect of the ballistic deficit, a modified version of the gated integrator is suggested. In this delay-switched gated integrator the true integration is delayed with respect to the beginning of the pulse, and for the delay period the true integration process is approximated with a low-pass filter. The paper theoretically compares the noise behavior of the delay-switched gated integrator and that of the gated integrator. The noise calculations are based on the concept of the step-and delta-noise residual functions and they are performed in three cases. In the first case the standalone shaping circuits are analyzed, in the second case they are preceded by a fast baseline restorer and in the third case they are preceded by a baseline restorer of finite time constant. It is shown that the novel delay-switched gated integrator preceded by a baseline restorer can be a good alternative to gated integrators.

AB - For trapezoidal filtering, widely used for diminishing the harmful effect of the ballistic deficit, a modified version of the gated integrator is suggested. In this delay-switched gated integrator the true integration is delayed with respect to the beginning of the pulse, and for the delay period the true integration process is approximated with a low-pass filter. The paper theoretically compares the noise behavior of the delay-switched gated integrator and that of the gated integrator. The noise calculations are based on the concept of the step-and delta-noise residual functions and they are performed in three cases. In the first case the standalone shaping circuits are analyzed, in the second case they are preceded by a fast baseline restorer and in the third case they are preceded by a baseline restorer of finite time constant. It is shown that the novel delay-switched gated integrator preceded by a baseline restorer can be a good alternative to gated integrators.

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