Stanford Research Systems SR860 Operation Manual page 78

Dsp lock-in amplifier
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60
Basics
value shown is up to date and no settling time is required. If the time constant is changed,
then the noise measurement will need to settle to the new value.
X and Y noise are displayed in units of V(rms). The ENBW of the time constant is NOT
factored into the calculation. To convert to spectral noise density, divide the reading by
√ENBW.
SR860 DSP Lock-in Amplifier
Chapter 2

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