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2011/09/08

1300 Unpack G53. Detector under nitrogen purge: just over 5 psi.
Perform detector level continuity checks:
DIB 1 DIB 2
Signal Measured Measured
QET A 45.3 Ω 46.8 Ω
QET B 180 Ω 182 Ω
QET C 134 Ω 134 Ω
QET D 129 Ω 128 kΩ
LED1 R forward 764 kΩ 781 kΩ
LED1 V forward 1.067 V 1.069 V
LED1 R backward <0.4 nS <0.2 nS
LED2 R forward 725 kΩ 781 kΩ
LED2 V forward 1.069 V 1.069 V
LED2 R backward <0.6 nS <0.1 nS
Qo(+ve)-Qi(-ve) 125 Ω 134 Ω
Qi(+ve)-Qo(-ve) 87.4 Ω 90.2 Ω
1530 Tower assembly complete. Perform tower level continuity checks:
Detector G53 DIB 1
side coax ZB1-1-6 date/who: 2011-09-08 HC
face 2
+lead - lead signal typical measured
1 2 QET A 100 to 200 Ω 135 Ω
2 4 QETA-B 100 to 200 Ω 267 Ω
3 4 QET B 100 to 200 Ω 266 Ω
4 6 QETB-C 100 to 200 Ω 274 Ω
5 6 QET C 100 to 200 Ω 223 Ω
6 8 QETC-D 100 to 200 Ω 277 Ω
7 8 QET D 100 to 200 Ω 219 Ω
2 8 QETA-D 100 to 200 Ω 246 Ω
chassis 9 LED1 Rforward 8 to 9 MΩ 761 kΩ
chassis 10 LED2 Rforward 8 to 9 MΩ 723 kΩ
chassis 9 LED1 Vforward 1.0 to 1.1 V 1.112 V
chassis 10 LED2 Vforward 1.0 to 1.1 V 1.113 V
9 chassis LED1 Rreverse <1 nS <0.3 nS
10 chassis LED2 Rreverse <1 nS <0.5 nS
1 11 Qo Rbias 24 to 26 nS 26 nS
12 11 Qo C coupling <1 nS <0.1 nS
12 13 Qo Rfeedback 24 to 26 nS 26 nS
1 14 Qi Rbias 24 to 26 nS 26 nS
15 14 Qi C coupling <1 nS <0.2 nS
15 16 Qi Rfeedback 24 to 26 nS 26 nS
Detector G53 DIB 2
side coax ZB1-1-9 date/who: 2011-09-08 HC
face 5
+lead - lead signal typical measured
1 2 QET A 100 to 200 Ω 132 Ω
2 4 QETA-B 100 to 200 Ω 265 Ω
3 4 QET B 100 to 200 Ω 263 Ω
4 6 QETB-C 100 to 200 Ω 274 Ω
5 6 QET C 100 to 200 Ω 217 Ω
6 8 QETC-D 100 to 200 Ω 272 Ω
7 8 QET D 100 to 200 Ω 213 Ω
2 8 QETA-D 100 to 200 Ω 242 Ω
chassis 9 LED1 Rforward 8 to 9 MΩ 779 kΩ
chassis 10 LED2 Rforward 8 to 9 MΩ 778 kΩ
chassis 9 LED1 Vforward 1.0 to 1.1 V 1.112 V
chassis 10 LED2 Vforward 1.0 to 1.1 V 1.111 V
9 chassis LED1 Rreverse <1 nS <0.1 nS
10 chassis LED2 Rreverse <1 nS <0.1 nS
1 11 Qo Rbias 24 to 26 nS 25 nS
12 11 Qo C coupling <1 nS <0.1 nS
12 13 Qo Rfeedback 24 to 26 nS 26 nS
1 14 Qi Rbias 24 to 26 nS 26 nS
15 14 Qi C coupling <1 nS <0.1 nS
15 16 Qi Rfeedback 24 to 26 nS 26 nS
1645 Begin tower installation.
2155 Conduct room temperature electrical check: no problems.
Detector: G102 DIB1 BH:
SC: ZB1-1-6 300 K
Face: 2 Date 2011-09-08
SQUET: ZC23 Who HC & JZ
Signal Pos. lead Gnd lead Nominal Actual Chassis
(Gnd lead)
Nominal:
< 0.1 nS
SQUID bias A/Ret 4 20 3 - 5 k 4.4 OK
SQUID bias B/Ret 19 34 5 OK
SQUID bias C/Ret 8 24 4.6 OK
SQUID bias D/Ret 23 39 4.3 OK
Feedback A/Ret 37 21 15 - 25 k 18 OK
Feedback B/Ret 2 18 20 OK
Feedback C/Ret 41 25 19 OK
Feedback D/Ret 22 6 18 OK
QET A/Ret 3 1, 13, 14, 17, 32 60 - 80 87,117,84,85,85 OK
QET B/Ret 35 29, 33, 47, 48 85,85,87,85 OK
QET C/Ret 7 5, 9, 10, 28 87,85,74,84 OK
QET D/Ret 38 36, 40, 43, 44 84,84,84,84 OK
FET heater +/- 45 46 1.0 - 1.1 k 1.067 OK
Qi bias/QET Ret 15 24 - 26 nS 38 MOhm OK
Qo bias/QET Ret 11 37 MOhm OK
Qi feedback/Drain/Source 50 16, 31 15 - 17 nS 43 MOhm OK
Qo feedback/Drain/Source 30 12, 27 42 MOhm OK
Qi drain 16 chassis < 0.1 nS – OK
Qo drain 12 chassis – OK
Qi source 31 chassis – OK
Qo source 27 chassis – OK
FET Tsense +/FET heater- 49 46 0.6 - 0.7 V 0.727 OK
LED 1 42 chassis 1.0 - 1.1 V 1.146 –
LED 2 26 chassis 1.138 –
Detector: G102 DIB2 BH:
SC: ZB1-1-9 300 K
Face: 5 Date 2011-09-08
SQUET: ZC70 Who HC & JZ
Signal Pos. lead Gnd lead Nominal Actual Chassis
(Gnd lead)
Nominal:
< 0.1 nS
SQUID bias A/Ret 4 20 3 - 5 k 4.8 OK
SQUID bias B/Ret 19 34 4.4 OK
SQUID bias C/Ret 8 24 4.6 OK
SQUID bias D/Ret 23 39 5.2 OK
Feedback A/Ret 37 21 15 - 25 k 29 OK
Feedback B/Ret 2 18 25 OK
Feedback C/Ret 41 25 28 OK
Feedback D/Ret 22 6 34 OK
QET A/Ret 3 1, 13, 14, 17, 32 60 - 80 82,99,79,80,79 OK
QET B/Ret 35 29, 33, 47, 48 76,76,77,76 OK
QET C/Ret 7 5, 9, 10, 28 79,76,69,76 OK
QET D/Ret 38 36, 40, 43, 44 81,80,80,80 OK
FET heater +/- 45 46 1.0 - 1.1 k 1.06 OK
Qi bias/QET Ret 15 24 - 26 nS 38 MOhm OK
Qo bias/QET Ret 11 39 MOhm OK
Qi feedback/Drain/Source 50 16, 31 15 - 17 nS 43 MOhm OK
Qo feedback/Drain/Source 30 12, 27 44 MOhm OK
Qi drain 16 chassis < 0.1 nS – OK
Qo drain 12 chassis – OK
Qi source 31 chassis – OK
Qo source 27 chassis – OK
FET Tsense +/FET heater- 49 46 0.6 - 0.7 V open OK
LED 1 42 chassis 1.0 - 1.1 V 1.139 –
LED 2 26 chassis 1.13 –
2335 Tower installation complete. Evacuate IVC overnight.