Usage
Input[f] [D]
Var "C" : Cp ‐ Capacitance [F]
Var "L" : L ‐ Inductance [H]
Var "F0" : f0 ‐ Self-resonant frequency of the inductor [Hz]
Var "Fm" : fm ‐ L,Q Test frequency of the inductor [Hz]
Var "Qm" : Qm ‐ Quality factor of the inductor at fm
REG z: (fm/fr)1/2
REG y: (fm/fr)1/2 Qm ‐ Estimated quality factor at fr
REG x: fr ‐ Resonant frequency [Hz]
Example
LCR - Rev.1.02, Aug. 8 2011
00 { 120-Byte Prgm } 01 LBL "LCR" 02 MVAR "C" 03 MVAR "L" 04 MVAR "F0" 05 MVAR "Fm" 06 MVAR "Qm" 07 VARMENU "LCR" 08 STOP 09 EXITALL 10 RCL "C" 11 X≤0? 12 GTO "LCR" 13 RCL "L" 14 X≤0? 15 GTO "LCR" 16 × 17 SQRT 18 ENTER 19 ENTER 20 + 21 PI 22 × 23 RCL "F0" 24 X≤0? 25 GTO "LCR" 26 1/X 27 →POL 28 1/X 29 STO "Fr" 30 LASTX 31 RCL× "Fm" 32 SQRT 33 ENTER 34 RCL× "Qm" 35 STO "Q" 36 RCL "Fr" 37 CLA 38 ENG 10 39 "Q~=" 40 ARCL "Q" 41"LFFr=" 42 ARCL "Fr" 43
" Hz" 44 AVIEW 45 RTN 46 END
Input
Var "C" = 68e-12 [F] Var "L" = 47e-6 [H] Var "F0" = 15e6 [Hz] Var "Fm" = 2.52e6 [Hz] Var "Qm" = 30Output
z: 954.33441346e-3 y: 28.630032404e0 x: 2.7669376386e06 [Hz]![]()
HP 15C - LC resonator replacement for triple speed 15CDownload
'LCR-1.02' (LCR.raw, 127 byte, raw program file for the Free42)
An example of the electrical characteristics of an actual inductor (TDK SMD Inductors For Signal Line(Wound) NLV Series NLV32)
Inductance
(μH)Inductance
toleranceQ
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-☐