| 2563 Noise in Low Curr.pdf | | A G R E AT E R M E A S U R E O F C O N F I D E N C E
Problem: Noise
in Low Current
Measurements
Low current measurements (current <1nA) Potential Cause: Vibration C. A useful alternative to the series resis-
often encounter noise. Here are a few likely Vibration can cause noise currents to flow tance is to put a forward-biased diode in
causes of noise in low current measurements due to the triboelectric effect. series. The diode acts like a variable re-
and how they can be avoided. sistance--low when the charging current
Remedies is high and then increasing in value as the
Potential Cause: |
