Fair-Rite 43 Material

Arbitrary Calibration using SDR-Kit BNC Calibration Kit Delays = Cal Kit Delay + -76.8ps (8mm Amphenol 112538) S11 from t2s(S21) with S21 12 Term Correction Calibration process SimSmith Equations Fair-Rite Complex Permeability vs. Frequency (CSV) file here Mouser Fair-Rite supplier Fair-Rite 5943000201 (FT37-43) 1T Fair-Rite 5943000301 (FT50-43) 1T Fair-Rite 5943004901 1T

Compute 10 Turn μ' at 200kHz
Using measured core dimensions

Plot Measured μ' and μ"
Adjust D[134].Lo to match computed μ' at 200KHz

Fair-Rite μ' with and without correction
Adjust D2.Err for mup~=1 at 1.5GHz
Fair-Rite VNA calibration error ~2.5nH

VNWA Measurements and Fair-Rite with Correction

FT50-43 Panel Jack Fixture

Arbitrary Calibration using SDR-Kit BNC Calibration Kit Delays = Cal Kit Delay + -106ps (11mm Amphenol 031-203-RFX) OSLT,Th calibration with empty fixture in line. Port extension not enabled. S11 from t2s(S21) with S21 12 Term Correction Fair-Rite 5943000301 (FT50-43) 1T SimSmith D1.Lo tuned for 200kHz mup = 792 FRmup Red trace = Fair-Rite μ' with incorrect high frequency negative values (mup*Lo+Hc)/Lo Green trace = Fair-Rite μ' with correction for 1GHz μ'=1 FT50-mup Blue trace = FT50-43 μ' measurement, no correction

t2s(S21) vs. S11

Arbitrary S11 Calibration using SDR-Kit BNC Calibration Kit Port delay for Amphenol 112538 = 64ps 8mm + 25.7ps Fringe C, 8/0.3/0.695 = 38.4 + 25.7 = 64 Fair-Rite 5943000301 (FT50-43) 1T (same core as above) t2s(S21) for 5943000301 same as above