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Tesla coils and RF cable inductors measured self-capacitance compared to the calculated Medhurst and our logarithmic formulas.
| SRF Tested Inductors |
7.6 µH, u = 3.62 |
6.73 µH, u = 2.51 |
31.1 µH, u = 2.10 |
215 µH, u = 0.79 |
16.4 mH, u = 0.125 |
33.6 mH, u = 0.290 |
|---|---|---|---|---|---|---|
| Turns No. | 6.2 | 7.2 | 17 | 80 | 1515 | 1136 |
| CmeasSRF [pF] | 9.330 | 7.369 | 4.924 | 2.272 | 6.824 | 6.329 |
| CcalcMED [pF] | 19.501 | 18.443 | 14.67 | 2.700 | 6.532 | 6.274 |
| CcalcLOG [pF] | 10.515 | 7.306 | 5.027 | 2.018 | 6.967 | 6.619 |
