Wiring of Ion Chambers

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Type: S-1329A, Oken, Tokyo
Spec: Electrode length: 33 cm
Applied Bias: - 2.5 kV
http://www.oken.co.jp/h/pdl/eng/ics/i1.html


Name: Upstream Ion Chamber, ICus
Purpose: measure incident photon flux downstream of MBS
Wiring:

  • 26IDC patch panel (CH-3): output Stanford preamp to patch panel "CH-3", connector "#57 Control-2"
  • Controls room patch panel "Control-2", connector "#57 (CH-3)" to VtF converter
  • (a) From VtF converter to NIM/TTL converter
    • from NIM/TTL converter to patch panel "Controls-4", connector "#801"
    • from "Controls-4 #801" to Joerger Scaler Ch #1
  • (b) From VtF converter to 32-ch Scaler, CH #2, IOC26IDSCLR

Name: Downstream Ion Chamber, ICds
Purpose: measure incident photon flux downstream of sample and imaging optics, upstream of area detectors
Wiring:

  • 26IDC patch panel (CH-3): output Stanford preamp to patch panel "CH-3", connector "#58 Control-2"
  • Controls room patch panel "Control-2", connector "#58 (CH-3)" to VtF converter
  • (a) From VtF converter to NIM/TTL converter
    • from NIM/TTL converter to patch panel "Controls-4", connector "#802"
    • from "Controls-4 #801" to Joerger Scaler Ch #2
  • (b) From VtF converter to 32-ch Scaler, CH #3, IOC26IDSCLR

[Maser, Apr/18/09]