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Göttingen 1997 – scientific programme

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HK: Hadronen und Kerne

HK 59: Postersitzung

HK 59.48: Poster

Thursday, March 27, 1997, 14:00–16:30, P

New Time-to-Digital Conversion Method Based on a Correlation — •R. S"udholt1, A. Georgiev1, Th. Rose1, W. Gast2, and E.v/d Meer21FH M"unster, FB Physikalische Technik — 2KFA-IKP J"ulich

A new Time-to-Digital Conversion (TDC) method which allows an integration in the digital signal processing of semiconductor detectors is proposed. The method uses the well known Vernier interpolation digital technique as a starting point. The important novelty, which makes this technique applicable in nuclear spectroscopy, is the utilization of correlation analysis to define the coincidence points [1]. The method provides high resolution, high dynamic range and low Differential Non-Linearity at relatively low clock frequencies, comparable with the signal processing frequency. The implementation of the correlation in hardware (PLD) and the technical realization of the new Correlation-Interpolation Method (CIM) is discussed.
(Supported in part by the MWF-NRW (program Mikrosystemtechnik), FH-M"unster and EU (ERBCHBGCT 940596))

[1] A.Georgiev, R.S"udholt, Th.Rose; Patent pending.

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