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Originally Posted by gc02
I've measured the Victor 884's PWM frequency as 120 Hz.
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Greg,
I have not checked myself in a while (OK, a couple of years) but I was under the impression they were about 2kHz. Still the rise time of the pulses get into trouble when the input is frequency limited. Even a 50% duty cycle would not have enough measureable energy beyond maybe the first or second odd harmonic to be accurate, I would think.