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Re: [TCML] Eastern Voltage Research VTTC Staccato Controller - puzzled on "burst" output



Hi John,

Here is a couple of pictures of the scope traces.

https://photos.app.goo.gl/t11KzCPW1gapTvbY7

Picture #1 and #2 are of the "breadboard" interrupter at minimum and then
maximum PW. I notice the extra lead time before the rise. Previously in the
past this is what I had also. Wanted to reverify this and confirmed.

Picture #3 and #4 are of the EVR again at minimum and maximum PW.
Note the very little lead or right on the rise.
Another note here, when PW is past the peak, PRF can only get up to 30Hz.
So bypass switch has some usefulness when maximum PW. Of course, if you
reduce PW to the peak, then instantly back up to 60Hz. Did not catch this
before, when testing on scope.

Pictures #5 and #6 are just adjusting the EVR so the PW does not go past
the peak.

Going to now do some more running coil tests...

Chris Reeland
Ladd Illinois USA

Sent from my LG V20
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