I was wondering if there's a circuit that will let me get some voltage (exact voltage isn't important) of sine wave output from a 9V battery designed for no more than about 50 mA, if that. The exact waveform isn't important, but it does need to have a negative bound, as in, if the amplitude is 100V, it needs to go to -100V and not to 0V (i.e. not mixed AC/DC). The wave itself can be dirty as long as I can get a halfway accurate voltage reading on a meter.
I tried using an EL-Wire inverter (which would be ideal), but they're designed for very specific load conditions and although I tried using a capacitor mimicking the capacitance of EL wire to keep the inverter happy, I still got the magic smoke. (though in retrospect I may not have limited the current enough.) In any case, I don't have time to get a new one and so I need to pull something together.
I tried using an EL-Wire inverter (which would be ideal), but they're designed for very specific load conditions and although I tried using a capacitor mimicking the capacitance of EL wire to keep the inverter happy, I still got the magic smoke. (though in retrospect I may not have limited the current enough.) In any case, I don't have time to get a new one and so I need to pull something together.