SOUDAN 2 DATA ACQUISITION AND TRIGGER ELECTRONICS.

J. Dawson, W. Haberichter, R. Laird, E. May, N. Mondal, J. Schlereth, N. Solomey, J. Thron, Steven Heppelmann, P. Shield

Research output: Contribution to journalArticle

Abstract

The 1. 1 kton Soudan 2 calorimetric drift-chamber detector is read out by 16K anode wires and 32K cathode strips. Preamps from each wire or strip are bussed together in groups of 8 to reduce the number of ADC channels. The resulting 6144 channels of ionization signal are flash-digitized every 200 ns and stored in RAM. The raw data hit patterns are continually compared with programmable trigger multiplicity and adjacency conditions. The data acquisition process is managed in a system of 24 parallel crates, each containing an Intel 80C86 microprocessor, which supervises a pipelined data compactor, and allows transfer of the compacted data via CAMAC to the host computer. The 80C86s also manage the local trigger conditions and can perform some parallel processing of the data. Due to the scale of the system and the multiplicity of identical channels, semicustom gate array chips are used for much of the logic, utilizing 2. 5- mu m CMOS technology.

Original languageEnglish (US)
JournalIEEE Transactions on Nuclear Science
VolumeNS-33
Issue number1
StatePublished - Feb 1 1985

Fingerprint

data acquisition
Data acquisition
Electronic equipment
actuators
Wire
Drift chambers
strip
Random access storage
electronics
wire
Ionization
Microprocessor chips
Anodes
Cathodes
microprocessors
Detectors
logic
flash
CMOS
anodes

All Science Journal Classification (ASJC) codes

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering
  • Electrical and Electronic Engineering

Cite this

Dawson, J., Haberichter, W., Laird, R., May, E., Mondal, N., Schlereth, J., ... Shield, P. (1985). SOUDAN 2 DATA ACQUISITION AND TRIGGER ELECTRONICS. IEEE Transactions on Nuclear Science, NS-33(1).
Dawson, J. ; Haberichter, W. ; Laird, R. ; May, E. ; Mondal, N. ; Schlereth, J. ; Solomey, N. ; Thron, J. ; Heppelmann, Steven ; Shield, P. / SOUDAN 2 DATA ACQUISITION AND TRIGGER ELECTRONICS. In: IEEE Transactions on Nuclear Science. 1985 ; Vol. NS-33, No. 1.
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Dawson, J, Haberichter, W, Laird, R, May, E, Mondal, N, Schlereth, J, Solomey, N, Thron, J, Heppelmann, S & Shield, P 1985, 'SOUDAN 2 DATA ACQUISITION AND TRIGGER ELECTRONICS.', IEEE Transactions on Nuclear Science, vol. NS-33, no. 1.

SOUDAN 2 DATA ACQUISITION AND TRIGGER ELECTRONICS. / Dawson, J.; Haberichter, W.; Laird, R.; May, E.; Mondal, N.; Schlereth, J.; Solomey, N.; Thron, J.; Heppelmann, Steven; Shield, P.

In: IEEE Transactions on Nuclear Science, Vol. NS-33, No. 1, 01.02.1985.

Research output: Contribution to journalArticle

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Dawson J, Haberichter W, Laird R, May E, Mondal N, Schlereth J et al. SOUDAN 2 DATA ACQUISITION AND TRIGGER ELECTRONICS. IEEE Transactions on Nuclear Science. 1985 Feb 1;NS-33(1).