| antenna |
dewar |
3mm |
1mm |
| C7 lab test: 31jul09 [909] installed: 05aug09 |
dewar8 cylinder 5747, displacer 6584 maintenance history # photos 03aug09 in lab: 52, 15, 3.25, 3.5, 3.5 |
HIA-375, WBA13 159D IV curves - raw and corrected (pumped at 100 GHz) scans ------ 90, 100, 110 GHz bandpass - 90, 100, 110 GHz Trcvr DSB |
31-015-2K1, WBA13 107D IV curves - raw (unchanged from nov 06) and corrected bandpass - 220, 240, 260 GHz Trcvr DSB (25 K worse than nov 06) |
| C8 lab test: 24jul08 installed: 28jul08 |
dewar6 cylinder 5346, displacer 5346 maintenance history photos |
HIA-181, WBA13 #15D (oscillates if Idrain > 16 mA) IV curves - raw and corrected (pumped at 110 GHz) scans ------ 77, 90, 110 GHz bandpass - 90, 100, 110 GHz Trcvr vs Idrain at 100 GHz (shows we are losing 3-4 K) Trcvr DSB |
31-015A-6, WBA13 54D IV curves - raw and corrected (full curve pumped at 240 GHz) bandpass - 220, 240, 260 GHz Trcvr DSB |
| C9 lab test: 1mm - 03jun08, 3mm - 09jun08 installed: 24jun08 |
dewar12 cylinder 6585, displacer 6585 maintenance history photos 03jun08 in lab: 59, 12.7, 3.1, 3.1, 3.3 K |
HIA-068, WBA13 123D IV curves - raw and corrected (pumped at 100 GHz) scans ------ 100 GHz bandpass - 90, 100, 110 GHz Trcvr DSB |
31-015-2W20, WBA13 3L IV curves - raw and corrected (pumped at 220,240,269 GHz) scans ------ 260 GHz bandpass - 220, 240, 260, 269 GHz Trcvr DSB |
| C10 lab test: 16jul08 installed: 18jul08 |
dewar13 cylinder 7528 displacer 7528 maintenance history photos |
HIA-173, WBA13 169D IV curves - raw and corrected (pumped at 90 GHz) scans ------ 77, 90, 110 GHz bandpass - 90, 100, 110 GHz Trcvr DSB |
31-015-4A, WBA13 47D IV curves - raw and corrected (pumped at 225 GHz) bandpass - 220, 240, 260 GHz Trcvr DSB |
| C11 lab test: 29sep09 [921] installed: 21may08 |
dewar14 cylinder 5578 displacer 5747 maintenance history photos 29sep09 in lab: 47, 16.5, 3.72, 3.98, 3.92 |
HIA-073, WBA13 204D IV curves - raw and corrected (pumped at 100 GHz) scans ------ 90, 100, 110 GHz bandpass - 100, 110 GHz Trcvr DSB |
31-015A-1, WBA13 223D.pdf">223D IV curves - raw and corrected (pumped at 240 GHz) (note: IV curves are from 23mar06 - no valid data from 15may08) scans ------ 260 GHz bandpass - 220, 240, 260 GHz Trcvr DSB |
| C12 lab test: 03jul08, 06jul08 installed: 09jul08 |
dewar9 cylinder 6154 (ebeam welded heat station) displacer 6418 maintenance history photos 06jul08 in lab: 60, 14, 3.3, 3.4, 3.4 K |
HIA-188, WBA13 131D IV curves - raw and corrected (pumped at many freqs) scans ------ 80, 90, 100, 110 GHz bandpass - 110 GHz Trcvr DSB |
31-015A-7, WBA13 19D
(can oscillate if Idrain > 18 mA) NOTE: previously operated at CF with Vgate = 2.0 V, Idrain = 13 mA; OK in Berkeley jul 08 with Vgate = 2.4 V, Idrain = 22 mA, but osc at CF; now operated with Vgate = 2.2 V, Idrain = 18 mA IV curves - raw and corrected bandpass - 220, 240, 260 GHz Trcvr DSB |
| C13 lab test: 16apr08 installed: 22apr08 |
dewar11 cylinder 6584 displacer 6154 maintenance history photos |
HIA-180, WBA13 184D
with OVRO bias tee board IV curves - raw and corrected (pumped at 100 GHz) scans ------ 90, 100, 110 GHz bandpass - 90, 100, 110 GHz Trcvr DSB |
31-015A-5, WBA13 55D IV curves - raw and corrected bandpass - 220, 240, 260 GHz Trcvr DSB |
| C14 lab test: 14feb08 installed: 03mar08 |
dewar10 cylinder 6418, displacer 5578 maintenance history photos typical in lab tests: 70, 13.5, 3.2, 3.4, 3.5 K |
HIA-091 , WBA13 86D uses oldest 3mm horn, with special aluminum clamp IV curves - raw (soft!) and corrected (pumped at 100 GHz) scans ------ 77, 90, 100, 110 GHz bandpass - 90, 100, 110 GHz Trcvr DSB (note: 5K lower than on 09jan, reason unknown) |
31-042-02, WBA13 104D copper 'hockey puck' adapter (31-048.dwg) between horn and mixer good pole pieces with one .078" and one .158" diam magnet IV curves - raw and corrected (pumped at 240 GHz) scans ------ 220, 240, 260 GHz (from 03dec07) bandpass - 220, 240, 260 GHz Trcvr DSB |
| C15 lab test: 01oct09 [922] installed: oct09 |
dewar4 cylinder 7533 displacer 6154 maintenance history photos temps in lab, 02apr08: 47, 11, 3.5, 3.7, 3.7 K temps in lab, 01oct09: 48, 11.7, 3.3, 3.4, 3.5 |
HIA-185 , WBA13 155D IV curves - raw and corrected (pumped at 90 GHz) scans ------ 90 GHz bandpass - 90, 110 GHz Trcvr DSB |
54-10, WBA13 236D mounted to horn using round UG387 to miniflange rect adapter IV curves - raw (soft) and corrected (pumped at 240 GHz) scans ------ 240, 260 GHz (from 03dec07) bandpass - 220, 260 GHz Trcvr DSB |
| antenna |
dewar |
3mm |
1mm |
| C7 lab test: 29apr08 installed: 07may08 removed: 05aug09 (shorted 1mm mixer) |
dewar5 cylinder 5746, displacer 5746 maintenance history # photos 29apr08 in lab: 56, 13.5, 3.1, 3.4, 3.2 |
HIA-191, WBA13 172D IV curves - raw and corrected (pumped at 100 GHz) scans ------ 90, 100, 110 GHz bandpass - 90, 100, 110 GHz Trcvr DSB |
31-012-6, WBA13 54D IV curves - raw (unchanged from nov 06) and corrected bandpass - 220, 240, 260 GHz Trcvr DSB (25 K worse than nov 06) |
| C11 lab test: 15may08 installed: 21may08 |
dewar14 cylinder 5578 displacer 5747 maintenance history photos |
HIA-073, WBA13 204D IV curves - raw and corrected (pumped at 100 GHz) scans ------ 90, 100, 110 GHz bandpass - 100, 110 GHz Trcvr DSB |
31-015A-1, WBA13 105D IV curves - raw and corrected (pumped at 240 GHz) (note: IV curves are from 23mar06 - no valid data from 15may08) scans ------ 260 GHz bandpass - 220, 240, 260 GHz Trcvr DSB |
| C15 lab test: 04apr08 installed: 09apr08 |
dewar4 cylinder 7533 displacer 6154 maintenance history photos temps in lab, 02apr08: 47, 11, 3.5, 3.7, 3.7 K |
HIA-185 , WBA13 155D IV curves - raw and corrected (pumped at 90 GHz) scans ------ 90 GHz bandpass - 90, 110 GHz Trcvr DSB |
31-015-1, WBA13 89D uses new SIS device from BIMA wafer 1 mounted 03 apr 2008 no coax between WBA13 amp and mixer, just an SMA IV curves - raw (soft) and corrected (pumped at 240 GHz) scans ------ 240, 260 GHz (from 03dec07) bandpass - 220, 260 GHz Trcvr DSB |