| | Setup: DIB 1/3/4 → 3.2 MHz filters 1/2/3 → cable 1/2/3 → gender changer 1/3/4 → DCRC55(1)/33(2)/X(4) |
| 0831 | Tower = 25.6 mK, Still = 0.060 mbar, G1/G2 = 159/146 mbar, 1K Pot = 1.70 K / 32 mbar. MB = 34.8% |
| 0833 | Fill LN2 cold trap full. |
| 1004 | Tower/MC/Coldplate = 25.9/28.5/171 mK, Still = 1.3-1.5 K / 0.060 mbar, G1/G2 = 160/146 mbar, 1K Pot = 1.70 K / 34 mbar. MB = 32.3% (predicted level: 32.5%) |
| 1034 | Start LHe transfer (MB = 31.8%) |
| 1117 | End LHe transfer (MB = 94.2%) |
| 1130 | Release pressure from MB. |
| 1139 | Start 10 min series of 20Hz Randoms, Tower = 25.6±0.1 mK |
| 1153 | Apply 0.5 uW to mixing chamber |
| 1206 | Start 10 min series of 20Hz Randoms, Tower = 26.7±0.1 mK |
| 1222 | Apply 1.5 uW to mixing chamber |
| 1228 | Start 10 min series of 20Hz Randoms, Tower = 36.0±1.0 mK |
| | Also start a temperature logfile on vuk-01: “I:\K100\temperature_20170728_1p5.txt” |
| 1247 | Apply 2.5 uW to mixing chamber |
| 1255 | Start 10 min series of 20Hz Randoms, Tower = 42.8±2.3 mK |
| 1309 | Apply 3.5 uW to mixing chamber |
| 1312 | Start 10 min series of 20Hz Randoms, Tower = 46.5±1.5 mK |
| 1323 | Turn of MC heater |
| 1400 | Tower = 25.8 mK |
| 1401 | Set DCRC1 phonon trace length = 10 ms |
| 1403 | Start frequency scan sequence with 6mVpp signal on DCRC1 PA,PC, files temporarily stored as /livedata/Fscan_[frequency].mid.gx Problem with sequence. Data deleted |
| 1449 | Start frequency scan sequence with 6mVpp signal on DCRC1 PA,PC, files temporarily stored as /livedata/Fscan_[frequency].mid.gx |
| | Created a mock series: “midasraw/byseries/07170728_2500” and store this scan data there |
| 1503 | Start frequency scan sequence with 12mVpp signal on DCRC1 PA,PC, files temporarily stored as /livedata/Fscan_[frequency].mid.gx |
| | Created a mock series: “midasraw/byseries/07170728_2600” and store this scan data there |
| 1522 | Restore DCRC1 phonon trace lengths to 3.2768 ms |
| 1536 | Looking at DCRC1PA with 100ms trace length, estimate rate to be 112 Hz. |
| 1640 | Fill LN2 cold trap full. |
| 1652 | Start sequence 12 60-minute data series of charge-bias-scan data with Frontend Gain = (15/2)/(4/4)/(5/5/5/5), OG = 4/2/4, QET biases = 2V setting from 2017/07/25, with 1000 beginning randoms, 30 sec flash with 30 min wait, and a 15ADC bin threshold trigger on DCRC4pB (Side2pF). Charge biases are DCRC1/2 (Side2/1) = -/+. Side 2 biases in order are 0, -0.25, -0.5, -0.75, -1, -1.5, -2, -2.5, -3, -3.5, -4, -5 |