Python - SPICE interface and plotting

GNUcap / NGspice voltage multiplier sim.

Used for my Ph.D. qualifying exam, and a follow-on to my harmonic radar tag improvements.

NOTE: Consider using PySpice instead of this approach.

Prereqs

apt install gnucap ngspice

Simulate no-driver LED problems due to wire voltage drop, using ledDrop.net and StringIO to avoid output file mess.

python ledDrop.py

These programs run from GNU Octave or Matlab.

runDub.m run and plot basic voltage doubler current input and voltage output vs. time
runDubTry.m plot spectrum
runDubMult.m multi-stage voltage multiplier: voltage, current, impedance
runMos.m using MOS simulation