High rate large dynamic range analog circuitry and digitizers for fast calorimetry

Hallgren, B.; Bal, F.; Barr, G.; Buchholz, P.; Formenti, F.; Funk, W.; Kozhevnikov, Y.; Lacourt, A.; Laverriere, G.; Martini, M.; Papi, A.; Ponting, P J; Sozzi, M.; Vossnack, O.; Wahl, H.

doi:10.1109/23.507155

Cited by 12 publications

(7 citation statements)

References 5 publications

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“…The total material in front of the active volume of the calorimeter corresponds to &0.6X . The electronics for read-out and calibration of this detector is described in great detail elsewhere [23][24][25][26]. However, for the sake of completeness, a very short description is given here.…”

Section: Current-sensitive Calorimeters With Longitudinal Read-outmentioning

confidence: 99%

High-resolution electro-magnetic calorimetry with noble liquids

Schinzel

1998

Nuclear Instruments and Methods in Physics Research Section A:

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Electromagnetic calorimeters with noble liquids and their limits in resolution are discussed. The origins of "initial" current measurement in calorimetry are retraced and the performance and first results of the NA48 calorimeter (quasi-homogeneous calorimeter with longitudinal electrode structure) are presented. Results of the prototype calorimeters of KEDR (quasi-homogeneous calorimeter with transverse electrode structure) and of ATLAS (sampling calorimeter with longitudinal electrode structure), are summarized.

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Section: Current-sensitive Calorimeters With Longitudinal Read-outmentioning

confidence: 99%

High-resolution electro-magnetic calorimetry with noble liquids

Schinzel

1998

Nuclear Instruments and Methods in Physics Research Section A:

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“…Therefore, we have implemented a method of dynamic range expansion (dynamic gain switching) which expands the dynamic range of an ADC with four bits in four gain ranges, while maintaining the resolution of the ADC [5]. For this purpose the NA48 experiment has developed a fully customized mixed analog/digital BiCMOS ASIC, which is named KRYPTON.…”

Section: Digitizer Electronicsmentioning

confidence: 99%

The NA48 LKr calorimeter digitizer electronics chain

Hallgren

Bal

Barr

et al. 1998

Nuclear Instruments and Methods in Physics Research Section A:

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The 13 500 channels of the NA48 liquid-krypton electromagnetic calorimeter readout electronics were put into operation in 1997. The digitizer electronics employs a new gain switching technique that expands the dynamic range of a standard 10-bit ADC to 14 bits at 40 MHz sampling rate employing a custom-developed integrated circuit (KRYPTON). The KRYPTON has been fabricated in 1.2 µm BiCMOS technology and was successfully developed together with industry on a short timescale. The performance and the experience from the first year of the operation of the liquid-krypton calorimeter electronics will also be briefly discussed.

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“…For each projection, the system computes the following sums, which are components of the expressions (5), (6) and (7):…”

Section: Moments Algorithmsmentioning

confidence: 99%

“…3 shows the shaping and trigger parts of the CPDAS card. The main signal processing functions are implemented on a fully customized ASIC shaper called KRYPTON [6].…”

Section: The Calorimeter Pipeline Digitisermentioning

confidence: 99%