{
  "analysis_presets": [
    {
      "name": "Standard sweep",
      "directive": ".ac lin 1000 1k 500k",
      "description": "1kHz-500kHz, 1000 points (multi-line supported)"
    },
    {
      "name": "fft",
      "directive": ".param freq=364.5k\n.param period={1/freq}\n.param trise=200n\n.param tfall=200n\n.param duty=0.5\n.param ton={period*duty - (trise+tfall)/2}\n\nV1 vin 0 PULSE(0 1 0 {trise} {tfall} {ton} {period})\n.tran 0 2000us 0 50n\n.end",
      "description": ""
    }
  ],
  "plot_configurations": [
    {
      "name": "Power Sweep (Rval)",
      "voltage": "1V",
      "mmc_primary": "0.03",
      "mmc_secondary": "0.001",
      "resonator_type": "distributed",
      "spark_load": "R Load (parametric)",
      "ac_directive": ".step dec param Rval 10k 10Meg 20\n.ac lin 1 380000 380000",
      "measurements": [
        "V(top)*I(R_load)"
      ],
      "show_phase": true,
      "log_freq": false,
      "log_mag": false,
      "use_db": false,
      "description": "Parametric sweep to find optimal load resistance",
      "ac_preset": "",
      "measurement_preset": "",
      "analysis_mode": "ac",
      "display_mode": "time_domain"
    },
    {
      "name": "Frequency Response",
      "voltage": "1V",
      "mmc_primary": "0.03",
      "mmc_secondary": "0.001",
      "resonator_type": "distributed",
      "spark_load": "None",
      "ac_directive": ".ac lin 1000 100k 2500k",
      "measurements": [
        "I(L1)"
      ],
      "show_phase": true,
      "log_freq": false,
      "log_mag": false,
      "use_db": true,
      "description": "Standard frequency sweep with topload voltage and input impedance",
      "ac_preset": "",
      "measurement_preset": "",
      "analysis_mode": "ac",
      "display_mode": "time_domain"
    },
    {
      "name": "Voltage Distribution",
      "voltage": "1V",
      "mmc_primary": "0.03",
      "mmc_secondary": "0.001",
      "resonator_type": "distributed",
      "spark_load": "None",
      "ac_directive": ".ac lin 1000 100k 3500k",
      "measurements": [
        "V(top)",
        "V(s9)",
        "V(s8)",
        "V(s7)",
        "V(s6)",
        "V(s5)",
        "V(s4)",
        "V(s3)",
        "V(s2)",
        "V(s1)"
      ],
      "show_phase": false,
      "log_freq": false,
      "log_mag": false,
      "use_db": true,
      "description": "Voltage at different coil sections",
      "ac_preset": "Standard sweep",
      "measurement_preset": "Voltage Distribution",
      "analysis_mode": "ac",
      "display_mode": "time_domain"
    },
    {
      "name": "Transient - Time Domain",
      "voltage": "1V",
      "mmc_primary": "0.03",
      "mmc_secondary": "0.001",
      "resonator_type": "distributed",
      "spark_load": "None",
      "ac_directive": "* APWM \n* Controller by Anders Mikkelsen\n* Self-oscillating ZCS (Zero Current Switching) controller with phase-lead compensation\n*\n* CUSTOMIZABLE PARAMETERS:\n*   pvolts  - Primary voltage (default: 330V)\n*           Adjust to match your bus voltage\n*\n*   rlead   - Phase lead resistor (default: 1k)\n*           Higher = less phase lead\n*\n*   rfreq   - Frequency compensation resistor (default: 2k)\n*           Affects self-oscillation frequency\n*\n*   iscale  - Current sense scaling (default: 0.05)\n*           Adjust based on CT ratio and sense resistor\n\n.param pvolts=330\n.param rlead=1k\n.param rfreq=2k\n.param iscale=0.05\n.param rterm=50\n\nV_5v p5v 0 5\nR6 0 N012 1k\nR7 N012 p5v 1k\nRbias N001 N012 100k\nXU1 N014 N001 p5v 0 N008 LT1720\nR1 N008 N014 22k\nR4 N011 N008 {rfreq}\nR3 N011 N001 1k\nC1 N001 0 1n\nXU2 N003 N001 p5v 0 N002 LT1720\nVramp N003 0 PULSE(0v 5v 100us 100n 100n 500us)\nA1 N002 N008 0 0 0 0 N009 0 AND\nT1 N009 0 N007 N010 Td=50n Z0={rterm}\nR10 N007 N010 {rterm}\nR5 N013 N012 {rlead}\nC3 N013 N015 470p\nR2 N014 N013 4k7\nR9 N013 N016 1k\nC4 N016 N015 10n\nB2 N015 0 V=I(L1)*{iscale}\nB1 vin 0 V=if(V(N009)>0.5, {pvolts/2}, -{pvolts/2})\n\n.tran 0 600u 100u 10n startup\n.lib LT1720.sub",
      "measurements": [
        "I(L1)"
      ],
      "show_phase": true,
      "log_freq": false,
      "log_mag": false,
      "use_db": false,
      "analysis_mode": "transient",
      "display_mode": "time_domain",
      "description": "ZCS transient analysis with phase-lead controller",
      "ac_preset": "",
      "measurement_preset": ""
    },
    {
      "name": "Transient - FFT Example",
      "voltage": "1V",
      "mmc_primary": "0.03",
      "mmc_secondary": "0.001",
      "resonator_type": "distributed",
      "spark_load": "None",
      "ac_directive": "* APWM \n* Controller by Anders Mikkelsen\n* Self-oscillating ZCS (Zero Current Switching) controller with phase-lead compensation\n*\n* CUSTOMIZABLE PARAMETERS:\n*   pvolts  - Primary voltage (default: 330V)\n*           Adjust to match your bus voltage\n*\n*   rlead   - Phase lead resistor (default: 1k)\n*           Higher = less phase lead\n*\n*   rfreq   - Frequency compensation resistor (default: 2k)\n*           Affects self-oscillation frequency\n*\n*   iscale  - Current sense scaling (default: 0.05)\n*           Adjust based on CT ratio and sense resistor\n\n.param pvolts=330\n.param rlead=1k\n.param rfreq=2k\n.param iscale=0.05\n.param rterm=50\n\nV_5v p5v 0 5\nR6 0 N012 1k\nR7 N012 p5v 1k\nRbias N001 N012 100k\nXU1 N014 N001 p5v 0 N008 LT1720\nR1 N008 N014 22k\nR4 N011 N008 {rfreq}\nR3 N011 N001 1k\nC1 N001 0 1n\nXU2 N003 N001 p5v 0 N002 LT1720\nVramp N003 0 PULSE(0v 5v 100us 100n 100n 500us)\nA1 N002 N008 0 0 0 0 N009 0 AND\nT1 N009 0 N007 N010 Td=50n Z0={rterm}\nR10 N007 N010 {rterm}\nR5 N013 N012 {rlead}\nC3 N013 N015 470p\nR2 N014 N013 4k7\nR9 N013 N016 1k\nC4 N016 N015 10n\nB2 N015 0 V=I(L1)*{iscale}\nB1 vin 0 V=if(V(N009)>0.5, {pvolts/2}, -{pvolts/2})\n\n.tran 0 600u 100u 10n startup\n.lib LT1720.sub",
      "measurements": [
        "v(s5)"
      ],
      "show_phase": false,
      "log_freq": false,
      "log_mag": false,
      "use_db": false,
      "analysis_mode": "transient",
      "display_mode": "fft",
      "description": "Transient analysis with FFT using .four directive",
      "ac_preset": "",
      "measurement_preset": ""
    }
  ]
}