Today I verified board connections again, including power to the driver IC (tnx Luis). With the scope I checked +5v and +12v power at IC pins while operating to be sure it is clean. All looked OK. I
Paul So ... we're still stuck at solving the gate drive overlap issue. Your's seems to be slow to turn on and to turn off. Think I questioned back a while ago the driver circuit board 'trace' widths.
Jay, At least now I've seen some real evidence the gate drive overlap issue and ringing are related, if not cause and effect. Agreed mine is slow to turn on as well as off, though arguably being slow
Hello Paul, I just took some photos of one of my spare driver boards that should be detailed enough to copy or peruse usefully. not sure if this type of board is available out there, but I can send y
Chris, I suspect that's not the correct file ... Nick M0HGU -- The only reason for walking into the jaws of Death is so's you can steal His gold teeth. (Colour of Magic) 11:30:01 up 15 days, 21:58, 1
Hello Nick, Ooops, one of another board proving paper based board and 6kV don't mix.... Try http://www.chriswilson.tv/boardx.zip -- Best regards, Chris mailto:[email protected]
