Table 2: Performance metrics for geometry variations (theory, experiment (error)).

DesignNominal inductance (μH) @ 1 MHzNominal inductance/footprint area (nH/mm2) @ 1 MHzResistance (Ω) @ 1 MHz (maximum)SRF (MHz)

126.59, 24.74 (7.5%)235.1, 218.8 (7.5%)120.7, 120.8 (0.1%)3.05, 2.26 (35%)9.11, 9.87 (7.7%)
219.19, 17.25 (11.2%)134.0, 120.5 (11.2%)65.6, 66.5 (1.4%)1.80, 2.05 (12.2%)5.1, 5.72 (10.8%)
326.82, 24.74 (8.5%)237.2, 218.8 (8.5%)60.4, 59.1 (2.2%)4.78, 4.6 (3.9%)9.12, 10.58 (13.8%)