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2016/03/01 (Tuesday)

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Setup: iZIP mode, DIB1/2/3 → cables → 3.2 MHz filters → DCRC55/33/50
Taking rate test data with Ba source present overnight, still going (until 10:00 I think). Coming down off of a flash at 08:55
0910 Tower/MC(H35)/MC sensor/Cold Plate = 31.5/27.7/41/156 mK, Still = 1.17 K / 0.090 mbar, G1/G2 = 130/115 mbar, 1K Pot = 1.56 K / 3.6 mbar, Main bath = 41.4%
0920 Fill LN2 cold trap Dewar
0955 Place Ba source back in safe.
1005 Unpower DCRCs, detach DSUB pi-filter connectors, attach pi-filter switchboards with all switches turned ON, repower DCRCs. Zap SQUIDs.
1045 The mystery of the less-powerful zaps has been solved. After the overnight rate tests, it looks like DCRCs 2&3 are disabled in the ODB. This was discovered after attempting to view pulses on DIBs 2&3. They would not show in the pulse viewer. Enable DCRCs 2&3 and attempt to view pulses. Booya.
1125 Perform mini IbIs on all three DIBs with all lines on pi-filter switchboard switched ON. Unpower DCRCs, change pi-filter switchboards so only phonon channels are filtered (the only channels not filtered are pins: 42, 26, 11, 27, 12, 30, 15, 31, 16, 50, 45, 46, 49). Repower DCRCs. Zap SQUIDs. Reestablish timing link.
1215 Perform mini IbIs on all three DIBs with all phonon lines on pi-filter switchboards switched ON. Unpower DCRCs, change pi-filter switchboards so only Charge channels are filtered (Switches: 11, 27, 12, 30, 15, 31, 16, 50). Repower DCRCs. Zap SQUIDs. Reestablish timing link.
1320 Perform mini IbIs on all three DIBs with all Charge lines on pi-filter switchboards switched ON. Unpower DCRCs.
1400 Switch pins so that charge-related pins are only ones NOT on, i.e. phonon & LED & FET on. Reconnect boards to DCRCs, repower boards. Zap SQUIDs. Reestablish timing link.
1510 Perform mini IbIs on all three DIBs with all lines EXCEPT CHARGE on pi-filter switchboards switched ON. Unpower DCRCs, change pi-filter switchboards so only Qi&Qo Bias lines are also filtered (Switches: 11 & 15 in addition to all Phonon, FET, and LED lines). Repower DCRCs. Zap SQUIDs. Reestablish timing link.
1600 Perform mini IbIs on all three DIBs with all Phonon, FET, LED and QBias lines on pi-filter switchboards switched ON. Unpower DCRCs.
1615 Commence LHe transfer (31.6%).
1630 Switch on filters on Q drain lines, 16 and 12. Repower DCRCs. Zap SQUIDS.
1650 Cease LHe transfer (91.1%).
1705 Release pressure from Main Bath.
1722 Perform mini IbIs on all three DIBs with all Phonon, FET, LED, QBias, and QDrain lines on pi-filter switchboards switched ON. Unpower DCRCs. Switch on filters for Q Source lines (switches 27,31). On DIB1 it was noticed that Switch 31 had already been turned on, and Switch 45 (FET heater +), which should have been on was turned off. This means we were NOT filtering DIB1's FET Heater + line for the previous mini IbIs tests since presumably the 1510 run.
1735 Fill LN2 cold trap full.

Spreadsheet of Mini-IbIs data

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