common_emitter_battery_sensitivity.ngjs

#!/usr/bin/env ngspicejs
// Measure battery sensitivity of common emitter amplifier
// linter: ngspicejs-lint
"use strict";

// common emitter 24x amplification
battery('U1', 1, 0, 9);
sinewave('U2', 2, 0).v(0.01).f(196);
resistor('R1', 1, 3, '6800');
resistor('R2', 3, 0, '470');
resistor('R3', 1, 4, '20k');
resistor('R4', 6, 0, '330');
capacitor('C1', 2, 3, '10u');
capacitor('C2', 4, 5, '10u');
resistor('R5', 5, 0, '50k');
npn('T1', 4, 3, 6, 'BC547');

// Measure battery sensitivity
battery_sensitivity('U1', 2, 5, 9 / 2, 9 * 2).run().chart({min_x: 0, max_x: 15});
// U1    = battery
// 2     = input net
// 5     = output net
// 9 / 2 = minimal voltage 4.5
// 9 * 2 = maximal voltage 18V