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Thanks for the detailed response, that's super helpful.I wonder if that's it. I matched D1/D3 and D2/D4 between channels, but I didn't match all 8. I figured that would be enough for symmetry between channels.Earlier in the thread fripholm mentioned that 1% deviation (+-45mV) was more than enough accuracy for the diodes, so I figured my measurements were accurate enough. Maybe that's worth trying though.I didn't match components between channels other than the input/output rotary switch resistors, but I did use 1% metal films everywhere. I'm happy for things not to match perfectly but my curves are way out.Just had another look at your build, so much attention to detail! What enclosure did you use? Those mounting rails are neat.
Thanks for the detailed response, that's super helpful.
I wonder if that's it. I matched D1/D3 and D2/D4 between channels, but I didn't match all 8. I figured that would be enough for symmetry between channels.
Earlier in the thread fripholm mentioned that 1% deviation (+-45mV) was more than enough accuracy for the diodes, so I figured my measurements were accurate enough. Maybe that's worth trying though.
I didn't match components between channels other than the input/output rotary switch resistors, but I did use 1% metal films everywhere. I'm happy for things not to match perfectly but my curves are way out.
Just had another look at your build, so much attention to detail! What enclosure did you use? Those mounting rails are neat.
