A trigger system has been designed and built to select events containing high pT electromagnetic showers detected in a large calorimeter with orthogonal readout. The electronics include analog adders with up to 123 inputs, pulse shapers with 20 ns integration time, 100 MHz flash ADCs and ECL loop-up tables. The total number of input channels is 3072 and the trigger decision is made in about 120 ns.
HIGH PT TRIGGER ELECTRONICS FOR A LARGE ORTHOGONAL READOUT ELECTROMAGNETIC CALORIMETER / P. BENE, M. BONESINI, E. BONVIN, J. BOVIER, L. CARROLL, A. CASS, D. CAVALLI, G. CECCHET, G. COSTA, M. DONNAT, P. DORSAZ, J. FISCHER, L. FLURI, D. FRAME, F. GIANOTTI, S. JACK, J. JACKSON, M. KELLY, M. KIENZLEFOCACCI, R. LUCOCK, J. LYNCH, L. MANDELLI, M. MARTIN, L. MATHYS, A. MAXWELL, M. MAZZANTI, J. MYERSCOUGH, P. NEGUS, S. PENSOTTIRANCOITA, L. PERINI, D. PERRIN, W. RANGE, J. RICHEUX, L. ROSSELET, A. RUCKSTUHL, J. RUTSCHMANN, S. SNOW, A. THOMPSON, R. TURNBULL, J. WELLS, M. WERLEN. - In: NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH. SECTION A, ACCELERATORS, SPECTROMETERS, DETECTORS AND ASSOCIATED EQUIPMENT. - ISSN 0168-9002. - 270:1(1988), pp. 21-31.
HIGH PT TRIGGER ELECTRONICS FOR A LARGE ORTHOGONAL READOUT ELECTROMAGNETIC CALORIMETER
L. PERINI;
1988
Abstract
A trigger system has been designed and built to select events containing high pT electromagnetic showers detected in a large calorimeter with orthogonal readout. The electronics include analog adders with up to 123 inputs, pulse shapers with 20 ns integration time, 100 MHz flash ADCs and ECL loop-up tables. The total number of input channels is 3072 and the trigger decision is made in about 120 ns.
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