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10_V_HIGH_PRECISION

2015-03-21 08:19  
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10_V_HIGH_PRECISION
Use of LM399 thermally stabilized subsurface zener in state-of-the-art reference circuit keeps temperature error well under 2 PPM/℃ over temperature range of 0 to 70℃. Article gives design equation and covers procedures for optimizing stability and minimizing power-supply rejection-ratio errors.-W. G. Jung, Precision Reference Source Features Minimum Errors, EDN Magazine, Aug. 5, 1976, p 80 and 82.