how_to_estimate_frequency_in_tran_data.ngjs

#!/usr/bin/env ngspicejs
// How to estimate frequency in tran data
// linter: ngspicejs-lint
"use strict";

sinewave('U1', 1, 0).v(1).f(200);
sinewave('U2', 1, 2).v(0.1).f(900);

echo('tran f0', tran().run().chart('V(2)').f0('V(2)')); //!
echo(' fft f0', fft().run('V(2)').f0().frequency);