High-stability tungsten lamp power suppl
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Ronald D. Edstrom
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Article
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1977
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Elsevier Science
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English
โ 219 KB
A very stable, easily constructed, and inexpensive power supply is described for use with spectrophotometers or other instruments depending on a tungstenfilament incandescent bulb as a light source. The supply provides constant voltage to the lamp with protective circuitry to limit the inrush curren