I tried to do a simulation to create opposite voltages of equal size, works as a charge-pump.
Used a center-tapped transformer.
Maybe I got it mega wrong!
code:
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$ 1 5.0E-6 0.41233529972698213 42 5.0 50
g 736 368 800 368 0
l 464 256 560 256 0 0.2 0.46392002014487865
d 592 256 656 256 1 0.805904783
169 400 336 464 336 0 0.2 1.0 0.45006014272370953 -0.4639200201448792
c 592 256 736 368 0 2.8E-7 1403.6467632373617
d 656 480 592 480 1 0.805904783
w 464 368 736 368 0
r 736 368 736 256 0 1000000.0
r 736 368 736 480 0 1000000.0
w 736 480 656 480 0
w 736 256 656 256 1
g 352 448 352 480 0
w 528 480 592 480 0
w 464 336 464 256 0
w 464 400 464 480 0
c 736 368 592 480 0 2.8E-7 1402.6533236931011
l 528 480 464 480 0 0.2 0.4567661576538239
R 272 336 208 336 0 1 672.552 12.0 0.0 0.0 0.5
w 352 448 352 400 1
d 352 400 352 336 1 0.805904783
w 560 256 592 256 0
w 272 336 352 336 0
w 352 400 400 400 0
w 400 336 352 336 0
o 8 64 0 35 2239.7447421778043 0.002734063405978765 0 -1
o 7 64 0 295 2239.7447421778043 0.002734063405978765 0 -1
-------------------------------
br,
webmug