for the HP 15C
LCR - Resonant frequency of the LC resonator

LC resonator
Usage

[f] [D]
Input
Output

Program list
LCR - Rev.1.01, Aug. 8 2011
001-42,21,14 LBL D
002-45,20, 7 RCL× 7
003-      11 √x
004-      36 ENTER
005-      40 +
006-   43 26 π
007-      20 ×
008-   45  8 RCL 8
009-      15 1/x
010-   43  1 →P
011-      15 1/x
012-   43 36 LSTx
013-45,20, 9 RCL× 9
014-      11 √x
015-      34 x<>y
016-   43 32 RTN

Example
Input
R7 = 47e-6  [H]
R8 = 15e6   [Hz]
R9 = 2.52e6 [Hz]
x  = 68e-12 [F]
Output
y: 954.3344e-03
x: 2.766937e06 [Hz]

SEE ALSO
HP 15C - LC resonator replacement for triple speed 15C
Appendix A
An example of the electrical characteristics of an actual inductor (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-☐

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