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. Author manuscript; available in PMC: 2019 May 24.
Published in final edited form as: Rev Sci Instrum. 2016 Dec;87(12):124702. doi: 10.1063/1.4969059

FIG. 5.

FIG. 5.

Voltage noise power spectral density at various output voltages, as measured on an SR780 spectrum analyzer (color online). The integrated RMS noise (1Hz — 100kHz) is {138, 80,101} μV measured at {50,100, 200} V, with no output load. The dashed black line overlays the noise estimate from our model, calculated at 100 V (see Fig. 4).