To: | N1BUG <[email protected]> |
---|---|
Subject: | Re: LF: W1VD amp help - more waveforms |
From: | Chris Wilson <[email protected]> |
Date: | Wed, 11 Apr 2018 22:55:37 +0100 |
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References: | <1UQRRBrZ33.5N62o0UWd72@optiplex980-pc> <[email protected]> <1UQRS7hUUP.4XeOGcYqkSd@optiplex980-pc> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> <[email protected]> |
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Hello Paul, back from the pub talk now, wind the damned thing up, and see what happens! ;) Maybe the `scope is giving pessimistic info, you seem to have covered everything else. A box of shrapnel like FET's is a badge of honour.... As is an impromptu fire to show commitment to LF <LOL> Wednesday, April 11, 2018, 10:26:07 PM, you wrote: > Hi Rik, > I don't recall that having been mentioned previously in this > discussion. I am sure I have read that somewhere in my studies over > the past year but it obviously had not taken root as it seemed all > new to me when I read your message today. :-) Your explanation of > how the resistor and diode work is helpful. > Today's experiments to update those who are following this story: > I moved the driver board so the gate leads are much shorter. I used > thicker wire for the gate leads. Result: absolutely no change. > At Jay's suggestion I put additional 1000pf caps in a parallel with > the existing 1000pf timing caps on the driver board. Result: no > change that I can be certain of. If anything, the timing could be > just a tiny bit *worse* than before but this might be just my eyes > playing tricks. > Paul -- Best regards, Chris mailto:[email protected] |
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