>
> Where can I buy a 200V 2A full H-bridge that has TTL-compatible inputs?
> Is it better or cheaper to buy half-bridges and level shifters?

ST makes such things, although I don't know a specific part number.  You
might end up building it up out of discretes, I'd suggest IGBT's for that
kind of voltage rating.  IR also has drivers that might work to isolate and
level-shift such an animal.


> Is there some source for a PWM-output sine function lookup table?
>

Check into Don Lancaster's so-called magic sine waves  www.tinaja.com  or
Circuit Cellar July 2001 issue

--Lawrence

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