| ID |
Date |
Author |
Subject |
|
8
|
Mon Nov 15 10:59:36 2021 |
OH | VI curve of 1000micron W1 detectors |
- Of the two 500 micron detectors from the GELINA setup one has broken bond wires and the other does not show a normal VI response to bias see attachment 1
- The response appears to be ohmic
- Instead the two 1000 micron W1 detectors were mounted onto the stand
- Both of these bias nicely and show appropriate leakage currents - attachment 2
- The photodiode has been tested and we see the noise decrease as we apply bias
- This is our only indication it is working at at its nominal -30V the detector draws 0.00uA of leakage current
- The DAQ has been fully setup with 3 ADC modules which is enough for both W1 detectors and the photodiode
- Nominal pulse peak widths are around 20keV for all channels
- This is without any efforts to ground preamps to amplifiers
- One of the preamps we brought out has had two capacitors knocked off it. We have replaced this with a preamp taken from the GELINA chamber.
- This preamp is configured with the pins reversed so will require the cable running to the detector to be reversed when we setup the experiment
- We are bringing this preamp back to be repaired by the electronics workshop also
- The TDC has also been setup for all channels of the W1 detector.
Will move this to the mattermost channel once setup |
| Attachment 1: Screenshot_2021-11-15_110600.png
|
|
| Attachment 2: Screenshot_2021-11-15_110727.png
|
|
|
7
|
Fri Nov 12 10:05:05 2021 |
TD | Useful MIDAS DAQ information |
Silena ADC Conrol (SAC) http://npg.dl.ac.uk/MIDAS/VME/sac.html
Silena 84186V ADC http://npg.dl.ac.uk/MIDAS/VME/s9418.html
MIDAS getting started http://npg.dl.ac.uk/MIDAS/MIDASDataAcquisition/base.html |
|
6
|
Thu Nov 11 12:45:13 2021 |
TD OH LV | Thursday 11 November |
DAQ configuration - attachments 1-9
Setting up CAEN V767 TDC
Note that to perform timing with the leading edge of the input logic signals
you need to select `rising edge' timing.
The following procedure for changing CAEN V767 settings _reliably_ appears
to work:
1) Halt data acquisition
2) From MIDAS Main Menu window select VME Module Control -> CAEN V767
3) From CAEN V767 TDC Setup & Monitor window _de-select_ -> Act on ALL
Modules?
4) From CAEN V767 TDC Setup & Monitor window select the first TDC module
whose setting you wish to change
5) From CAEN V767 TDC Setup & Monitor window select Expert -> Disable Auto Load
6) Change CAEN V767 module settings as required
7) From CAEN V767 TDC Setup & Monitor window select Expert -> Save User
Configuration
8) From CAEN V767 TDC Setup & Monitor window select Expert -> Enable Auto Load
9) Repeat steps 4-8 for any other CAEN V767 TDC modules whose settings you
wish to change
10) From CAEN V767 TDC Setup & Monitor window select Save Setup
11) From MIDAS Data Acquisition Experiment Control window select Setup ->
Setup Everything
12) If you reboot the VME PowerPC CPU do NOT forget to set the TDC(s) in
common stop mode
From MIDAS Data Acquisition Experiment Control window select Advanced ->
Configuration/Test/Debug Frame and confirm the request.
Settings should be:
TDC Mode: Common Stop
TDC Hit Option: all
TDC Referemce: 0 (usually)
edinburgh (w23) network configuration
edinburgh> cat /etc/inet/hosts
#
# Internet host table
#
#
# Merged entries from ipnodes into hosts on <Tue Aug 5 18:29:10 BST 2008>
# Backup files saved in /etc/inet/ directory: hosts.premerge, ipnodes.premerge
#
127.0.0.1 localhost
192.168.11.118 edinburgh loghost egmsg loghost
192.168.1.25 w23daq # w23 DAQ port (bge1)
192.168.1.1 ppc0
192.168.1.2 ppc1
192.168.1.3 ppc2
192.168.1.4 ppc3
192.168.1.5 ppc4
192.168.1.6 ppc5
edinburgh> cat /etc/inet/ipnodes
#
# Internet host table
#
#
# Merged entries from ipnodes into hosts on <Tue Aug 5 18:29:10 BST 2008>
# Backup files saved in /etc/inet/ directory: hosts.premerge, ipnodes.premerge
#
::1 localhost
127.0.0.1 localhost
192.168.11.118 edinburgh loghost
edinburgh> cat /etc/inet/netmasks
#
# The netmasks file associates Internet Protocol (IP) address
# masks with IP network numbers.
#
# network-number netmask
#
# The term network-number refers to a number obtained from the Internet Network
# Information Center.
#
# Both the network-number and the netmasks are specified in
# "decimal dot" notation, e.g:
#
# 128.32.0.0 255.255.255.0
#
192.168.11.0 255.255.255.0
192.168.1.0 255.255.255.0
edinburgh> cat /etc/ethers
08:00:3e:2b:59:76 ppc0 # TRIUMF, TUDA
00:01:af:0b:11:22 ppc1 # INFN LNGS, LUNA
00:01:af:0b:10:7a ppc2 # u/s
00:01:af:09:86:88 ppc3
00:01:af:08:2c:38 ppc4
00:01:af:09:df:db ppc5
00:01:af:09:86:83 ppc6 # u/s
00:14:4f:9b:6e:7a edinburgh
edinburgh> cat /etc/defaultrouter
192.168.11.255
edinburgh> ls -l /tftpboot
total 6798
-rw-r--r-- 1 root root 54 Sep 16 2012 C0A80101.fstab
-rw-r--r-- 1 root root 84 Sep 16 2012 C0A80101.hosts
-rw-r--r-- 1 root root 54 Sep 16 2012 C0A80102.fstab
-rw-r--r-- 1 root root 84 Sep 16 2012 C0A80102.hosts
-rw-r--r-- 1 root root 54 Sep 16 2012 C0A80103.fstab
-rw-r--r-- 1 root root 84 Sep 16 2012 C0A80103.hosts
-rw-r--r-- 1 root root 54 Sep 16 2012 C0A80104.fstab
-rw-r--r-- 1 root root 84 Sep 16 2012 C0A80104.hosts
-rw-r--r-- 1 root root 54 Sep 29 2012 C0A80105.fstab
-rw-r--r-- 1 root root 84 Sep 29 2012 C0A80105.hosts
-rw-r--r-- 1 root root 54 Sep 29 2012 C0A80106.fstab
-rw-r--r-- 1 root root 84 Sep 29 2012 C0A80106.hosts
-rw-r--r-- 1 root root 54 Sep 29 2012 C0A80107.fstab
-rw-r--r-- 1 root root 84 Sep 29 2012 C0A80107.hosts
-rwxr-xr-x 1 root root 3457024 Sep 16 2012 lynxos.netboot
lrwxrwxrwx 1 root root 1 Sep 16 2012 tftpboot -> .
edinburgh> cd /tftpboot
/tftpboot
edinburgh> ls
edinburgh> foreach f (`ls C*`)
foreach? echo $f
foreach? cat $f
foreach? end
C0A80101.fstab
w23daq:/MIDAS/LynxOS_MCG_Release/3.1.0/ppc:/rootfs:rw
C0A80101.hosts
127.0.0.1 localhost
192.168.1.25 w23daq loghost egmsg
192.168.1.1 ppc0
C0A80102.fstab
w23daq:/MIDAS/LynxOS_MCG_Release/3.1.0/ppc:/rootfs:rw
C0A80102.hosts
127.0.0.1 localhost
192.168.1.25 w23daq loghost egmsg
192.168.1.2 ppc1
C0A80103.fstab
w23daq:/MIDAS/LynxOS_MCG_Release/3.1.0/ppc:/rootfs:rw
C0A80103.hosts
127.0.0.1 localhost
192.168.1.25 w23daq loghost egmsg
192.168.1.3 ppc2
C0A80104.fstab
w23daq:/MIDAS/LynxOS_MCG_Release/3.1.0/ppc:/rootfs:rw
C0A80104.hosts
127.0.0.1 localhost
192.168.1.25 w23daq loghost egmsg
192.168.1.4 ppc3
C0A80105.fstab
w23daq:/MIDAS/LynxOS_MCG_Release/3.1.0/ppc:/rootfs:rw
C0A80105.hosts
127.0.0.1 localhost
192.168.1.25 w23daq loghost egmsg
192.168.1.5 ppc4
C0A80106.fstab
w23daq:/MIDAS/LynxOS_MCG_Release/3.1.0/ppc:/rootfs:rw
C0A80106.hosts
127.0.0.1 localhost
192.168.1.25 w23daq loghost egmsg
192.168.1.6 ppc5
C0A80107.fstab
w23daq:/MIDAS/LynxOS_MCG_Release/3.1.0/ppc:/rootfs:rw
C0A80107.hosts
127.0.0.1 localhost
192.168.1.25 w23daq loghost egmsg
192.168.1.7 ppc6
17.07 Hamamatsu PIN photodiode
Ortec 142B preamp -> Ortec 572 tau=0.5us gain = 1x 1.0x 50x -ve input, delay OUT
Range = 50 * 20mV/MeV = 1V/MeV Silena 9418/6V ADC 7.2V FSR => range = c. 7.2MeV nominal => c. 2.2keV/ch
Pulser peak width 4.2ch FWHM
ADC & TDC spectra with DSSSDs (bias = -170V) and PIN PD (bias = -30V) - attachments 9-11
ADC spectra ch 3840 = 17MeV nominal => c. 4.4keV/ch
Typical peak width ~3-4 ch FWHM = c. 13-17keV FWHM
TDC spectra 1LSB = 0.8ns
Typical peak width c. 1-2ch FWHM (p+n strips) c. 5ch FWHM (n+n strips)
Note - no data for first TDC channel - reason currently unknown
17.20 MIDAS DAQ configuration - attachment 12
3x Silena 9418/6V ADCs RTP=0=2us, LLD=8=64 channels (ADC#1 at top of VME V430 crate, ADC#3 lowest slot)
1x CAEN V767 TDC common stop mode
1x CAEN V560 Scaler |
| Attachment 1: Screenshot_from_2021-11-11_13-45-09.png
|
|
| Attachment 2: Screenshot_from_2021-11-11_13-45-25.png
|
|
| Attachment 3: Screenshot_from_2021-11-11_13-45-44.png
|
|
| Attachment 4: Screenshot_from_2021-11-11_13-46-29.png
|
|
| Attachment 5: Screenshot_from_2021-11-11_13-46-47.png
|
|
| Attachment 6: Screenshot_from_2021-11-11_13-47-04.png
|
|
| Attachment 7: Screenshot_from_2021-11-11_13-47-47.png
|
|
| Attachment 8: Screenshot_from_2021-11-11_13-48-09.png
|
|
| Attachment 9: Screenshot_from_2021-11-11_17-13-02.png
|
|
| Attachment 10: Screenshot_from_2021-11-11_17-14-08.png
|
|
| Attachment 11: Screenshot_from_2021-11-11_17-15-49.png
|
|
| Attachment 12: Screenshot_from_2021-11-11_17-19-58.png
|
|
|
5
|
Fri Apr 22 16:17:36 2016 |
TD | X-ray fluorescence spectra |
|
| Attachment 1: 241Am_2.Spe
|
$SPEC_ID:
No sample description was entered.
$SPEC_REM:
DET# 1
DETDESC# SCE-SOPA-00020 MCB 133
AP# Maestro Version 7.01
$DATE_MEA:
04/22/2016 16:06:44
$MEAS_TIM:
600 601
$DATA:
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... 1775 more lines ...
|
| Attachment 2: 241Am_with_Mt_Etna_sample_long.Spe
|
$SPEC_ID:
No sample description was entered.
$SPEC_REM:
DET# 1
DETDESC# SCE-SOPA-00020 MCB 133
AP# Maestro Version 7.01
$DATE_MEA:
04/21/2016 14:31:49
$MEAS_TIM:
85500 85500
$DATA:
0 2047
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... 1775 more lines ...
|
| Attachment 3: 241Am_without_Mt_Etna_sample_long.Spe
|
$SPEC_ID:
No sample description was entered.
$SPEC_REM:
DET# 1
DETDESC# SCE-SOPA-00020 MCB 133
AP# Maestro Version 7.01
$DATE_MEA:
04/21/2016 14:34:42
$MEAS_TIM:
85500 85500
$DATA:
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187
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... 1775 more lines ...
|
|
4
|
Tue Apr 19 16:56:53 2016 |
TD | X-ray fluorescence spectra |
|
| Attachment 1: 241Am_with_Mt_Etna_sample.Spe
|
$SPEC_ID:
No sample description was entered.
$SPEC_REM:
DET# 1
DETDESC# SCE-SOPA-00020 MCB 133
AP# Maestro Version 7.01
$DATE_MEA:
04/19/2016 14:26:28
$MEAS_TIM:
10800 10800
$DATA:
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... 1775 more lines ...
|
| Attachment 2: 241Am_without_Mt_Etna_sample.Spe
|
$SPEC_ID:
No sample description was entered.
$SPEC_REM:
DET# 1
DETDESC# SCE-SOPA-00020 MCB 133
AP# Maestro Version 7.01
$DATE_MEA:
04/19/2016 15:40:06
$MEAS_TIM:
3600 3600
$DATA:
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... 1775 more lines ...
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| Attachment 3: 241Am.Spe
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$SPEC_ID:
No sample description was entered.
$SPEC_REM:
DET# 1
DETDESC# SCE-SOPA-00020 MCB 133
AP# Maestro Version 7.01
$DATE_MEA:
04/19/2016 12:09:13
$MEAS_TIM:
600 602
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... 1775 more lines ...
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