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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*LF\:\s+W1VD\s+amp\s+help\s+\-\s+IR2110\s+and\s+timing\s*$/: 5 ]

Total 5 documents matching your query.

1. Re: LF: W1VD amp help - IR2110 and timing (score: 1)
Author: N1BUG <[email protected]>
Date: Tue, 10 Apr 2018 16:04:45 -0400
OK, let's switch topics a bit. I have a serious drain circuit ringing problem that most builders apparently don't have. Many things change all but the first peak of the ringing, but that first one is
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00145.html (16,576 bytes)

2. Re: LF: W1VD amp help - IR2110 and timing (score: 1)
Author: Chris Wilson <[email protected]>
Date: Tue, 10 Apr 2018 21:45:57 +0100
Hello Paul, here's a link to my prototype build, the more I think back to bad drain waveforms the more convinced I am that the major fix was added decoupling. I read Jay's very salient post about non
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00147.html (15,430 bytes)

3. Re: LF: W1VD amp help - IR2110 and timing (score: 1)
Author: Andy Talbot <[email protected]>
Date: Tue, 10 Apr 2018 22:01:46 +0100
Everyone, stop, think. Stop clutching at straws Ringing like that, showing several cycles of oscillation has to be  caused by a resonance at a higher frequency than the wanted one. Resonances are cau
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00148.html (17,730 bytes)

4. Re: LF: W1VD amp help - IR2110 and timing (score: 1)
Author: <[email protected]>
Date: Tue, 10 Apr 2018 19:49:15 -0400
Andy Good idea on the multifilar winding. A fair number of these amplifiers have been built ... none of which exhibit the severe ringing that this particular one does. We're currently 'clutching at s
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00149.html (19,702 bytes)

5. Re: LF: W1VD amp help - IR2110 and timing (score: 1)
Author: N1BUG <[email protected]>
Date: Tue, 10 Apr 2018 20:41:20 -0400
Andy, Jay, all The next thing you're probably going to tell me is to remember the flux density equation when designing such a thing. :-) I have yet to grasp how to work with that. To me it's a viciou
/rsgb_lf_group-archives/html/rsgb_lf_group/2018-04/msg00150.html (25,643 bytes)


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