Variac [was: Re: [ATM] Re: ATM Digest, Vol 11, Issue 15]

[Jeff Anderson-Lee <jonah@eecs.berkeley.edu>]

matt wrote:

>More precisely, one end of the secondary is common with one of the primary
>ends, and the other secondary end is actually a variable tap off the
>primary. This way any ratio can be achieved but no circuit separation .
>
Once can always add a second, isolating transformer into the mix if 
circuit separation is an issue.

It's not O.T. 'cause it's related to grinding polishing machines. ;-)

Jeff Anderson-Lee

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