| 0910 | Refilled LN2 Cold Trap 1 from dewar. |
| 0930 | Began LHe Transfer, MB% = 0.06 |
| | Transfer stick on the dewar side slid down and froze while opening up the telescoping part because the locking mechanism on linde dewar does not hold the stick tightly. Asked Mike to help apply heat to the port to pull the transfer stick out, then adjusted the position of the stick to continue transfer after releasing some pressure through the recovery line. |
| 1059 | End LHe Transfer, MB% = 95.5 |
| 1505 | DCRC1 is initialized. Connect Cable 1 and Start frontends(dcrc_driver01, towerfe3_01, triggerfe2). Set SQUID bias and lockpoints. (SQuid Bias: -91.7, -88.4, -74.6, -100.5 LockPoint: -9.45, -3.01, -4.21, -7.36 ). Need to change Open Loop to Non-inverting and Pre-Amp to Feedback as well |
| 1516 | Can see phonon pulses on this DCRC. Next connect both DCRC3(Cable3) and DCRC1(Cable1). |
| 1505 | DCRC1 and DCRC3 are initialized. Connect Cable 1(and Cable 3) and Start frontends(dcrc_driver01, towerfe3_01, triggerfe2). Set SQUID bias and lockpoints. Cable 1(SQuid Bias: -91.7, -88.4, -74.6, -100.5 LockPoint: -9.45, -3.01, -4.21, -7.36 ) and Cable 3(SQuid Bias: -70.4, -101.7, 0, -75.4 LockPoint: -4.55, -4.65, 0, -2.64 ). Need to change Open Loop to Non-inverting and Pre-Amp to Feedback as well |
| 1530 | DCRC1 QETbias change doesn't have any response after SYNC is done for the two DCRCS. Switching to DCRC3 being master and DCRC1 being Slave |
| 1533 | DCRC1 and DCRC3 are initialized. Connect Cable 1(and Cable 3) and Start frontends(dcrc_driver01, towerfe3_01, triggerfe2). Set SQUID bias and lockpoints. Cable 1(SQuid Bias: -91.7, -88.4, -74.6, -100.5 LockPoint: -9.45, -3.01, -4.21, -7.36 ) and Cable 3(SQuid Bias: -70.4, -101.7, 0, -75.4 LockPoint: -4.55, -4.65, 0, -2.64 ). Need to change Open Loop to Non-inverting and Pre-Amp to Feedback as well |
| 1543 | DCRC1 QETbias change doesn't have any response after SYNC is done for the two DCRCS even after swapping the Master-Slave relations |
| 1543 | Connect DCRC4 to check its status |
| 1545 | DCRC4 is initialized. Connect Cable 1 and Start frontends(dcrc_driver01, towerfe3_01, triggerfe2). Set SQUID bias and lockpoints. (SQuid Bias: -91.7, -88.4, -74.6, -100.5 LockPoint: -9.45, -3.01, -4.21, -7.36 ). Need to change Open Loop to Non-inverting and Pre-Amp to Feedback as well |
| 1553 | In Master Mode, DCRC4 seems fine. Connect both DCRCs to check SYNC relations |
| 1555 | DCRC4 and DCRC3 are initialized. Connect Cable 1(and Cable 3) and Start frontends(dcrc_driver01, towerfe3_01, triggerfe2). Set SQUID bias and lockpoints. Cable 1(SQuid Bias: -91.7, -88.4, -74.6, -100.5 LockPoint: -9.45, -3.01, -4.21, -7.36 ) and Cable 3(SQuid Bias: -70.4, -101.7, 0, -75.4 LockPoint: -4.55, -4.65, 0, -2.64 ). Need to change Open Loop to Non-inverting and Pre-Amp to Feedback as well |
| 1705 | Matt suggested to try different configurations which might work for the time sync porblem |
| 1706 | DCRC1 and DCRC3, DCRC4(dummy) are initialized. Connect Cable 1(and Cable 3) and Start frontends(dcrc_driver01, towerfe3_01, triggerfe2). Set SQUID bias and lockpoints. Cable 1(SQuid Bias: -91.7, -88.4, -74.6, -100.5 LockPoint: -9.45, -3.01, -4.21, -7.36 ) and Cable 3(SQuid Bias: -70.4, -101.7, 0, -75.4 LockPoint: -4.55, -4.65, 0, -2.64 ). Need to change Open Loop to Non-inverting and Pre-Amp to Feedback as well. DCRC3 is master, other slaves |
| 1707 | Can see pulses on both DCRC1 and DCRC3. |
| 1722 | I am not able to set threshold trigger on DCRC3. So, I swapped timing sync to pattern DCRC1 (Master) → DCRC4(Slave) → DCRC3(Slave). this config didnt work so switching back to prev one DCRC3 (Master) → DCRC1(Slave) → DCRC4(Slave) But with Cable 1 on DCRC3 and Cable 3 on DCRC1 |
| 1706 | DCRC1 and DCRC3, DCRC4(dummy) are initialized. Connect Cable 1 on DCRC3(and Cable 3 on DCRC1) and Start frontends(dcrc_driver01, towerfe3_01, triggerfe2). Set SQUID bias and lockpoints. Cable 1(SQuid Bias: -91.7, -88.4, -74.6, -100.5 LockPoint: -9.45, -3.01, -4.21, -7.36 ) and Cable 3(SQuid Bias: -70.4, -101.7, 0, -75.4 LockPoint: -4.55, -4.65, 0, -2.64 ). Need to change Open Loop to Non-inverting and Pre-Amp to Feedback as well. DCRC3 is master, other slaves |