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Old 18th September 2013, 06:47 PM   #1
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Default TTPSU Output stage

I was looking for a simple (IC) output stage to use with the Norre TTPSU, rather than use a step up transformer for a 120 VAC motor. Or maybe the as designed output stage could be redesigned for 120V? I was also thinking of a op-amp stage driven off the feedback loop to come up with the 90 degree out of phase signal and a second output stage, rather than just a capacitor to drive the motor. Just looking for something simple to try. Anyone willing to give this a go?
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Old 19th September 2013, 07:20 PM   #2
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I found I had two LM3886 sitting in the parts bin, that takes care of the amp sections, now just for the op amp phase converter.
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