CMOS diffusion‐pump monitor
A battery‐powered CMOS circuit for monitoring the coolant temperature and power line voltage of a diffusion pump is described. The two sensing functions are independent, so that the system will automatically restart after a short‐term power failure (e.g., one caused by lightning), but not after a lo...
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| Veröffentlicht in: | Review of scientific instruments 1976-09, Vol.47 (9), p.1218-1219 |
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| Format: | Artikel |
| Sprache: | eng |
| Online-Zugang: | Volltext |
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| Zusammenfassung: | A battery‐powered CMOS circuit for monitoring the coolant temperature and power line voltage of a diffusion pump is described. The two sensing functions are independent, so that the system will automatically restart after a short‐term power failure (e.g., one caused by lightning), but not after a longer‐term power failure or if the cooling system failed. |
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| ISSN: | 0034-6748 1089-7623 |
| DOI: | 10.1063/1.1134806 |