2011/04/23

1230	Fill N2 cold trap full.

Tower Level Continuity Checks

1400	Perform tower level continuity checks.

+lead	- lead	signal	typical	measured
Detector	G42	DIB	1
side coax	ZB1-1-9	date/who:	2011-04-23	HC
face	5
1	2	QET A	100 to 200	130
2	4	QETA-B	100 to 200	248
3	4	QET B	100 to 200	238
4	6	QETB-C	100 to 200	265
5	6	QET C	100 to 200	208
6	8	QETC-D	100 to 200	264
7	8	QET D	100 to 200	196
2	8	QETA-D	100 to 200	231
chassis	9	LED1 Rforward	8M to 9M	783k
chassis	10	LED2 Rforward	8M to 9M	789k
chassis	9	LED1 Vforward	1.0 V to 1.1 V	1.104 V
chassis	10	LED2 Vforward	1.0 V to 1.1 V	1.104 V
9	chassis	LED1 Rreverse	<1 nS	<0.4 nS
10	chassis	LED2 Rreverse	<1 nS	<0.1 nS
1	11	Qo Rbias	24 nS to 26 nS	25 nS
12	11	Qo C coupling	<1 nS	<0.1 nS
12	13	Qo Rfeedback	24 nS to 26 nS	26 nS
1	14	Qi Rbias	24 nS to 26 nS	26 nS
15	14	Qi C coupling	<1 nS	<0.2 nS
15	16	Qi Rfeedback	24 nS to 26 nS	25 nS

+lead	- lead	signal	typical	measured
Detector	G42	DIB	2
side coax	ZB1-1-6	date/who:	2011-04-23	HC
face	2
1	2	QET A	100 to 200	135
2	4	QETA-B	100 to 200	258
3	4	QET B	100 to 200	252
4	6	QETB-C	100 to 200	276
5	6	QET C	100 to 200	210
6	8	QETC-D	100 to 200	273
7	8	QET D	100 to 200	205
2	8	QETA-D	100 to 200	241
chassis	9	LED1 Rforward	8M to 9M	789k
chassis	10	LED2 Rforward	8M to 9M	794k
chassis	9	LED1 Vforward	1.0 V to 1.1 V	1.107 V
chassis	10	LED2 Vforward	1.0 V to 1.1 V	1.108 V
9	chassis	LED1 Rreverse	<1 nS	<0.4 nS
10	chassis	LED2 Rreverse	<1 nS	<0.1 nS
1	11	Qo Rbias	24 nS to 26 nS	26 nS
12	11	Qo C coupling	<1 nS	<0.2 nS
12	13	Qo Rfeedback	24 nS to 26 nS	26 nS
1	14	Qi Rbias	24 nS to 26 nS	26 nS
15	14	Qi C coupling	<1 nS	<0.1 nS
15	16	Qi Rfeedback	24 nS to 26 nS	26 nS

Berkeley Result:

2130	Finish tower installation.

Signal	Pos. lead	Gnd lead	Nominal	Actual	Chassis
Detector:	G42 DIB1		Stripline:	20
SC:	ZB1-1-9		300 K
Face:	5		Date	2011-04-23
SQUET:	ZC70		Who	HC & JZ
					(Gnd lead)
					Nominal:
					< 0.1 nS

SQUID bias A/Ret	4	20	3 - 5 k	4.9	OK
SQUID bias B/Ret	19	34		4.4	OK
SQUID bias C/Ret	8	24		4.7	OK
SQUID bias D/Ret	23	39		5.3	OK

Feedback A/Ret	37	21	15 - 25 k	29.4	OK
Feedback B/Ret	2	18		25.6	OK
Feedback C/Ret	41	25		28.6	OK
Feedback D/Ret	22	6		34.8	OK

QET A/Ret	3	1, 13, 14, 17, 32	60 - 80	79.5,81.2,79.2,80.1,80.1	OK
QET B/Ret	35	29, 33, 47, 48		76,76,79,76	OK
QET C/Ret	7	5, 9, 10, 28		78,77,69,77	OK
QET D/Ret	38	36, 40, 43, 44		81,80,80,80	OK


FET heater +/-	45	46	1.0 - 1.1 k	1.060	OK

Qi bias/QET Ret	15		24 - 26 nS	39 MΩ	OK
Qo bias/QET Ret	11			39 MΩ	OK

Qi feedback/Drain/Source	50	16, 31	15 - 17 nS	43.5 MΩ, 43.5 MΩ	OK
Qo feedback/Drain/Source	30	12, 27		43.6 MΩ, 43.6 MΩ	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	0.7	OK
LED 1	42	chassis	1.0 - 1.1 V	1.13	–
LED 2	26	chassis		1.12	–

Signal	Pos. lead	Gnd lead	Nominal	Actual	Chassis
Detector:	G42 DIB2		Stripline:	19
SC:	ZB1-1-6		300 K
Face:	2		Date	2011-04-23
SQUET:	ZC23		Who	HC & JZ
					(Gnd lead)
					Nominal:
					< 0.1 nS

SQUID bias A/Ret	4	20	3 - 5 k	4.4	OK
SQUID bias B/Ret	19	34		5.0	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	19	OK
Feedback B/Ret	2	18		21	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	85,87,85,86,86	OK
QET B/Ret	35	29, 33, 47, 48		86,86,89,86	OK
QET C/Ret	7	5, 9, 10, 28		86,85,75,85	OK
QET D/Ret	38	36, 40, 43, 44		85,84,84,84	OK


FET heater +/-	45	46	1.0 - 1.1 k	1.069	OK

Qi bias/QET Ret	15		24 - 26 nS	38 MΩ	OK
Qo bias/QET Ret	11			38 MΩ	OK

Qi feedback/Drain/Source	50	16, 31	15 - 17 nS	43 MΩ, 43 MΩ	OK
Qo feedback/Drain/Source	30	12, 27		43 MΩ, 43 MΩ	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	0.721	OK
LED 1	42	chassis	1.0 - 1.1 V	1.138	–
LED 2	26	chassis		1.128	–

2300	Evacuate IVC overnight.