So when you say "I dont believe anything a computer may tell me about cirucit values" then yes, you are being ridiculous.
Simulation is a valuable tool used extensively throughout the electronics industry. Simulation allows you to analyse behaviours that would take hours or days using physical test equipment. Furthermore, tools like Monte Carlo analysis exercise corner cases to see if any combination of tolerances produce aberrant behaviour, something impractical with physical circuits of any complexity. Most circuits behave similarly (or indistinguishably) with a range of tolerances on the components, and that includes physical and simulated circuits.Ĭircuit simulation is an extremely solid science, and in the vast majority of cases it produces useful, accurate results.
Simulation can be useful but the practical circuit will only behave (almost) as expected if EVERY component value is precisely known and used in the model.
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