FAQ
Q.
Measurements to SRF (3): What should be the settings for HP4291A when measuring SRF (Self Resonance Frequency) of a capacitor?
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  • Multilayer Ceramic Chip Capacitors


A. The HP4291A parameter settings:

  • Measurement capacitance: PRL(Cp)
  • Format : Log Y-Axis
  • OSC level : 500mV
  • Trigger : Continues
  • Sweep Type : Log
  • SRC : Freq
  • Point Average : on
  • Point Average Factor : 32
  • Seep Average Factor : off
  • Number of Points (NOP) : depending on the span of frequency
  • Short Inductance : depending on the dimension of the device under test (DUT)


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