common_emitter_2000x_using_sub_model.ngjs

#!/usr/bin/env ngspicejs
// Three stage common emitter using sub_model with parameters
// linter: ngspicejs-lint
"use strict";

var s = sub_model('CE', ['vcc', 'gnd', 'in', 'out'], {r1: 68000, r2: 4700, r3: 20000, r4: 150, c1: 4.7e-6, c2: 4.7e-6});
s.resistor('R1', 'vcc', 'b', '{r1}');
s.resistor('R2', 'b', 'gnd', '{r2}');
s.resistor('R3', 'vcc', 'c', '{r3}');
s.resistor('R4', 'e', 'gnd', '{r4}');
s.capacitor('C1', 'in', 'b', '{c1}');
s.capacitor('C2', 'c', 'out', '{c2}');
s.npn('Q1', 'c', 'b', 'e', 'BC547');
s.end();

battery('U1', 1, 0, 9);
ammeter('A1', 1, 2);
sub('X1', 'CE', [2, 0, 'in', 'out'], {r1: 68000, r2: 4700, r3: 20000, r4: 150, c1: 4.7e-6, c2: 4.7e-6});
sub('X2', 'CE', [2, 0, 'out', 'out2'], {r1: 68000, r2: 4700, r3: 20000, r4: 150, c1: 4.7e-6, c2: 4.7e-6});
sub('X3', 'CE', [2, 0, 'out2', 'out3'], {r1: 68000, r2: 4700, r3: 20000, r4: 261, c1: 4.7e-6, c2: 4.7e-6});
sinewave('U2', 'in', 0).v('500u').f(196);
resistor('RCGND1', 'out', 0, '50k');
resistor('RCGND2', 'out2', 0, '50k');
resistor('RLOAD3', 'out3', 0, '50k');

var t = tran().run().chart('V(out3)');
echo('GAIN', t.gain('in', 'out3').toFixed(3));