A multichannel discriminator system for silicon strip detector readout

Up to 9216 fast discriminators are required for processing signals of the Fermilab silicon strip detector preamplifiers in experiment E789. Signals exceeding a preset discriminator threshold voltage are first stored in a clocked latch and then delayed by three 19-ns clock cycles with a shift resiste...

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Bibliographic Details
Published inConference Record of the 1991 IEEE Nuclear Science Symposium and Medical Imaging Conference pp. 702 - 705 vol.1
Main Authors Turko, B.T., Luk, K.B., Gidal, G., Zizka, G., Kaplan, D., McGaugley, P., Lillberg, J., Mishra, S., Brown, C.C.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1991
Subjects
Clocks
Delay
Detectors
Latches
Preamplifiers
Routing
Signal processing
Silicon
Strips
Threshold voltage
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Summary:Up to 9216 fast discriminators are required for processing signals of the Fermilab silicon strip detector preamplifiers in experiment E789. Signals exceeding a preset discriminator threshold voltage are first stored in a clocked latch and then delayed by three 19-ns clock cycles with a shift resister. Discriminators are organized in 75 identical 128-channel subsystems. Each has four 32-channel PC boards housed in a signal routing motherboard. Eight 16-channel line driver boards transfer events from the motherboard through cables to the remote processing electronics. Three subsystems fit into the frame of a standard CAMAC crate. The authors describe the design considerations of the system and its performance, based on several months of testing the completed system.< >
ISBN:0780305132
9780780305137
DOI:10.1109/NSSMIC.1991.259029