A sample-and-hold capacitor is 1 nF and experiences a constant leakage current of 10 nA during hold. Ignoring other effects, the droop rate magnitude is?

  • A1 V/s
  • B10 V/s
  • C100 V/s
  • D1000 V/s
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Correct Answer: B. 10 V/s
Explanation: For a capacitor, dV/dt=I/C=10 nA/1 nF=10 V/s.
Reference: Standard analog electronics: sample-and-hold droop numerical
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