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Old 13th May 2018, 11:29 AM   #181
overall feedback is offline overall feedback  Croatia
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Default Crescendo HEXAFET

There is one problem with thermal compensation, so here is updated thermal tracking circuit.
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File Type: zip Sch.zip (534.6 KB, 45 views)
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Old 13th May 2018, 12:07 PM   #182
Kay Pirinha is offline Kay Pirinha  Germany
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Thermal ompensation is an option only for those IRFP's and not necessary for the HITACHI originals, I think.

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Old 13th May 2018, 12:54 PM   #183
overall feedback is offline overall feedback  Croatia
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Of course, but one must be aware of different arrangement of pins (IRFP gds - Laterals gsd).
With few bridges it is possible to use ECW20N20/ECW20P20 for example. Also if interest I can edit PCB .
IRFP's simulates little better, that is why I prefer them .


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Old 13th May 2018, 01:51 PM   #184
overall feedback is offline overall feedback  Croatia
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Layout with vertical resistors option, to be in complete.
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Old 13th May 2018, 02:05 PM   #185
scafas is offline scafas  Italy
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i have some pcb for sale
diy kit 250watt Crescendo Elektor amplifier pcb | eBay
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Old 13th May 2018, 03:38 PM   #186
Kay Pirinha is offline Kay Pirinha  Germany
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How thick is the copper layer? 35 Ám or 70 Ám?

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Old 24th June 2018, 09:50 AM   #187
trilbies is offline trilbies  Switzerland
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Default Update

Hello All.


It's bee a good while since I posted on this thread, I haven't forgotten about it, but life took over and had to put things in the back burner as I have been too busy.


However I am hoping to build a Vero of the my schematic and runs some test hopefully in the near future.


All the best
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