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TH
Thomas-Gagnon
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Created Sep 3, 2026
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Updated Sep 3, 2026
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SPICE netlist
* ************************************************** * Ferrite Bead Ringing Frequency Test (Decoupled V1) * ************************************************** * 0.8V DC Input Supply V1 N_IN 0 DC 800m * Small source resistance to unclamp VP1 (100mOhm) R_IN N_IN VP1 100m * Local Capacitance Bank (202uF total + 2mOhm ESR) C1 VP1 N_C1 202u R_ESR1 N_C1 0 2m * BLM18SN220TN1D Ferrite Bead (30nH + 4mOhm DCR) L_BEAD VP1 N_LOAD 30n R_DCR N_LOAD N_LOAD_DCR 4m * Load Capacitance Bank (95uF total + 2mOhm ESR) C2 N_LOAD_DCR N_C2 95u R_ESR2 N_C2 0 2m * Current Pulse Step (0A to 1A at t = 10us) I_STEP N_LOAD_DCR 0 PULSE(0 1 10u 1n 1n 1m 2m) * ************************************************** * Simulation Settings * ************************************************** .tran 50n 100u 0 50n .save V(VP1) V(N_LOAD_DCR) .end
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