2015/04/13
| 1400 | Receive package containing striplines 23 and 26. Move to cleanroom for electrical check. |
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| Stripline | Broken Wires |
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| 23 | QET A Return (FEB Pin 11), Detector Bias C (FEB Pin 18), LED 2 (FEB Pin 20), Qo Feedback (FEB Pin 23), FET Heater - (FEB Pin 35 routes to DPin 22 instead of DPin 38 like it should), QET D Return (FEB Pin 40), No shorts to ground. |
| 26 | QET C Return (FEB Pin 4), FEB Pin 8 connects to both DPin 8 and DPin 25, No shorts to ground. |
stripline lengths: shortest cold end to first piece of tape : 18“
| 1820 | Add steel step piece and reapply baffles around striplines 19, 20, 27. Conduct stripline electrical check, results below: |
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| Stripline | Bad Pins |
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| 19 | No bad pins. No shorts to ground. |
| 20 | Qo Bias (FET Pin 21). No shorts to ground. |
| 27 | Feedback coil B, Feedback coil C, QET D Return. No shorts to ground. |
| Figure 1: 21” from longest stripline cold ends to first piece of tape | 18“ from shortest stripline to first piece of tape |
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| Figure 2: Putting baffles on striplines, with bottom screws in place | |
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| Figure 3: Loosely attach screws to baffles | |
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| Figure 4: Position baffles correct distance apart and tighten screws until the baffle doesn't move | |
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| Figure 5: About 40” from first baffle to end of longest stripline on cold side | |
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| Figure 6: 3“ between baffles |
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| Figure 7: About 16” from last baffle to last piece of tape on warm side | ||
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| Figure 8: About 30“ from last piece of tape to end of longest stripline on warm side | ||
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| Figure 9: Tie dental floss to last baffle on cold side |
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