LCR - Resonant frequency of the LC resonator

LC resonator

L : Inductance    [μH]
f0 : Self resonant frequency     [MHz]
fm : L,Q measurement frequency (fm   [MHz]
Qm : Quality factor at fm    
Cp : Parallel capacitance     [pF]
fr : Resonant frequency ≈     [MHz]
Qe : Estimated quality factor (at Fr) ≈    
SEE ALSO
  • HP 15C - LC resonator replacement for triple speed 15C
  • HP 15C - LCR - resonant frequency of the LC resonator
  • HP 42S - LCR - resonant frequency of the LC resonator
  • DOWNLOAD
    'LCR-1.02' (LCR.raw, 127 byte, raw program file for the Free42)

    APPENDIX A - Example of the electrical characteristics of actual inductors.
    TDK, SMD Inductors For Signal Line(Wound) NLV Series NLV32
    Inductance
    (μH)
    Inductance
    tolerance
    Q
    min.
    Test frequency L,Q
    (MHz)
    Self-resontant frequency
    (MHz)min.
    DC resistance
    (Ω)max.
    Rated current
    (mA)max.
    Part No.
    47 ±5% 30 2.52 15 7 60 NLV32T-470J
    180 ±5% 20 0.796 7 17 60 NLV32T-181J

    API Delevan, RF Inductors - Surface Mount - Shielded Surface Mount Inductors S1812 & S1812R Series
    Inductance
    (μH)
    Inductance
    tolerance
    Q
    min.
    Test frequency L,Q
    (MHz)
    Self-resontant frequency
    (MHz)min.
    DC resistance
    (Ω)max.
    Rated current
    (mA)max.
    Part No.
    47 ±10% 30 2.5 9 3.40 242 S1812R-473K
    180 ±10% 40 0.79 4.5 8.50 153 S1812R-184K

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