Detector 9

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* Rear fast counts are high again, so we raised the rear fast threshold by 16 steps, in two sets of 8, on the BGS pass starting at ~3:30 PST.  The new value is 0x60 (was 0x50).  Fast rates as eyeballed from the realtime data were approx 58,000 (pre-adjustment), 12,000 (after 8 steps up), and 1600 (after 16 steps up).  Livetime percentages were approx 60%, 90%, and 98%, respectively.
* Rear fast counts are high again, so we raised the rear fast threshold by 16 steps, in two sets of 8, on the BGS pass starting at ~3:30 PST.  The new value is 0x60 (was 0x50).  Fast rates as eyeballed from the realtime data were approx 58,000 (pre-adjustment), 12,000 (after 8 steps up), and 1600 (after 16 steps up).  Livetime percentages were approx 60%, 90%, and 98%, respectively.
 +
 +
  15-021-23:33:58 /idpudumptabl table=dibtbl9
 +
  15-021-23:34:03 /idputable9 offset=rearfastdac
 +
  15-021-23:34:34 /idpuload value=0x58
 +
 +
  15-021-23:36:47 /idputable9 offset=rearfastdac
 +
  15-021-23:36:55 /idpuload value=0x60
Line 45: Line 52:
| 2014-Jan-08 17:46:04 || 0x50 (was 0x45)
| 2014-Jan-08 17:46:04 || 0x50 (was 0x45)
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|-
-
| 2014-Jan-22 ~11:30 || 0x60 (was 0x50)
+
| 2014-Jan-22 23:34:34 || 0x58 (was 0x50)
 +
| 2014-Jan-22 23:36:55 || 0x60 (was 0x58)
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Revision as of 01:36, 23 January 2015

This page contains information about changes/issues for RHESSI detector 9 after the 2014 anneal. Detector updates from 2012-mid 2014 can be found here: Detector 9 anneal 2012

Contents

Notes

Detector 9 is SEGMENTED after the 2014 anneal!

 15-008-17:45:50 /IDPUTABLE9 OFFSET=REARFASTDAC
 15-008-17:46:04 /IDPULOAD VALUE=0x50           ;(was 0x45)
 15-021-23:33:58 /idpudumptabl table=dibtbl9
 15-021-23:34:03 /idputable9 offset=rearfastdac
 15-021-23:34:34 /idpuload value=0x58
 15-021-23:36:47 /idputable9 offset=rearfastdac
 15-021-23:36:55 /idpuload value=0x60


D9 front slow LLD threshold history

post 2014 anneal 0x0C

D9 front fast LLD threshold history

post 2014 anneal 0x22

D9 rear slow LLD threshold history

post 2014 anneal 0x30

D9 rear fast LLD threshold history

post 2014 anneal 0x45
2014-Jan-08 17:46:04 0x50 (was 0x45)
2014-Jan-22 23:34:34 0x58 (was 0x50) 2014-Jan-22 23:36:55 0x60 (was 0x58)

D9 HV history

post 2014 anneal 3995 V
2014-Aug-20 3603V (was 3995V)
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