< DC to AC Power Inversion >

      Big amperes, tiny voltage. Not ideal...this could be a problem. The transformer wire will have to be BIG, and so will the transformer. VERY BIG. Anyway; here's a picture like the one the guest speaker drew...

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      This will have to be the basis of any design, but there is still room for play. Following is a list of items to consider:

• Type of Switch

  I found a truely burly switch we could use, capable of up to 1200V at 1000A, and a 20µs switching time! Its trigger voltage is higher than I would want to run the control circuit at, but a small op-amp wouldn't slow it down significantly.
  
  Here's the schematic

• Switching Pattern

        Switching at 60Hz won't make a very pretty wave. It won't be completely square, because of the inductive reactance of the transformer coils. It'll be just a little bit rounded. The better the transformer, I.E. tight windings and large core, the better the signal will be cleaned up.
        An alternative would be to deliver a pulse-width modulated signal (varying on/off % time) to more closely approximate a true 60Hz wave. Somewhere around 2.4kHz, I suppose (breaks sine wave into 40 pieces). The goal would be to make it as slow (small Hz) as possible and still make a beautiful wave (too slow and it gets to be worse than when we started!). It all depends on how clean we want it and how high the inductances of our transformer coils are.
        If the synchro signal is analog, it is a simple matter of chopping up the wave as small as we please. (Circuit diagram available upon request)