> Basically makes it cheaper to build. You have a natural frequency there to use, and you don't have to come up with all this additional hardware to smooth out

> Basically makes it cheaper to build. You have a natural frequency there to use, and you don't have to come up with all this additional hardware to smooth out the existing frequency and come up with a new one. I'm not an expert, but I read that it was the idea but it was never implemented and TVs used independent generators.