Are you trying to improve this circuit or solve a flaw in it ?
No it should work ok,it depends on what you want to use it for. You are limited in frequency to by the TL494.
the thing is has anyone got a device to do a useful task yet like getting a Ruslan or Dally device to work yet?
So there is nothing for me to do with it.Not me
Verpies, What do you mean nothing to do with it?