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A DRIFT CHAMBER READOUT SYSTEM IN FASTBUS WITH A HIGH SPEED LINK TO CAMAC AND A WIRE COUNT RATE MONITOR

Authors
  • Hamann, N.
  • Braun, G.
  • Dittmayer, J.
  • Urban, H.J.
Publication Date
Jan 01, 1989
Identifiers
DOI: 10.1016/0168-9002(89)91337-5
OAI: oai:inspirehep.net:285833
Source
INSPIRE-HEP
Keywords
License
Unknown
External links

Abstract

This paper describes a FASTBUS-based TDC system for the readout of drift chambers which has been efficiently operated as an add-on to CAMAC. The implemented two-fold link between FASTBUS and CAMAC uses a dedicated dual-port memory for the high-speed transfer of the drift chamber data and a simple I/O register for parameter passing. Further developments foresee the use of a similar scheme for the readout of FASTBUS data into VME. Also described is a device which monitors the count rates on a large number of chamber wires independently of the data acquisition status.

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