Resonant tuning forks
Resonant frequency
Eigen values for one-side clamped beam vibration
64mm amplitude at 6.13V drive
0.88(N)
0.65A,3.32Ω
2.2Vp-v
1.56V effective
λ 1=1.8751
λ 2=4.6941
λ 3＝7.8548
Load:m, mass of tine:M
P.M. Morse & K.U.
Ingard, Theoretical
Acoustics, p-185
| Young modulus | E(Pa) | 20×1010 |
| density | ρ(kg/m3) | 7.86×103 |
| Tine thickness | t(m) | 0.003 |
| width | b(m) | 0.007 |
| length | l(m) | 0.08165 |
| I2 | 1.58×10-11 | |
| stiffness | s(N/m) | 1.74×104 |
| Mass of tine | M(kg) | 0.0135 |
| λ1 | 1.8751 | |
| Res freq | f(Hz) | 70.3 |
| Mass of load | m(kg) | 0.004 |
| Res freq w load | f(Hz) | 62 |
