NMR: Difference between revisions

From Pumping Station One
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* October 2023: Primary Hard Drive (32GB SSD failed.) Recovered onto some random hard drive with <code>dddrescue</code>. Instrument online again. Pending analysis of corrupted files via <code>ddru_ntfsfindbad</code>
* October 2023: Primary Hard Drive (32GB SSD failed.) Recovered onto some random hard drive with <code>dddrescue</code>. Instrument online again. Pending analysis of corrupted files via <code>ddru_ntfsfindbad</code>
* October 2024: Switchmode PSU in other giant box has failed. 4A main fuse blown and a capacitor on a PSU supplying +5V +/-15V has blown. A second power supply providing 28V in the same box has yet to be tested. Repairs pending.
* October 2024: Switchmode PSU in other giant box has failed. 4A main fuse blown and a capacitor on a PSU supplying +5V +/-15V has blown. A second power supply providing 28V in the same box has yet to be tested. Repairs pending.
* November 2024: Switchmode PSUs have had just about every capacitor replaced and some giant mosfet. Verified +5V, +-15V, and 28V present.


= Introductory Theory =
= Introductory Theory =