For these dual conversion phenomenon dunnah forget to take into account the efficiency of the "modified sine wave" converter 12vDC-> 120vac. Check the waveform before deciding that cheaper is better. The computer powersupply may have some limitations regarding waveform. It expects a pretty clean sinewave. Most inverters do a stepped approximation of a sine wave. Check before you plonk down those IBM dollars. pensioner (MSEE,MSCS, and still can't find a decent job) |
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