T94 0.5uH Q Curve Study

S11 calibration plane at BNC jack shell DUT end.

T94-0 11T #22

SimSmith Rs = R1MHz * Sqrt(F) Wire Model

RF skin depth reduction caused by wire proximity effects not modeled. Self capacitance, SRF, not modeled. T94-0 11T wire length = 12" Straight 12" #22 copper wire R = 47.3 mΩ (here)

T94 0.5uH Q Curves

T94-0 19T #20 80%

T94-17 12T #20

T94-10 9T #20

T94-6 8T #20

T94-2 7T #20

14 MHz Parallel LC VNWA S21

C = 2 x Parallel 120pF SM Mem1 Blue = T94-17 12T Mem2 Red = T94-10 9T Mem3 Black = T94-6 8T Mem4 Green = T94-2 7T

14 MHz Parallel LC SimSmith -10 and -2 S21

T94-10 9T LC 3dB BW Q Measurement

Process Documentation, Figure 2 1 pF Coupling Capacitors 30 MHz Q = 29.952 / (30.030 - 29.878) = 197 50 MHz Q = 50.051 / (50.282 - 49.828) = 110