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The SLB (Smooth Like Butter) Active Rect/CRC/Cap Mx Class A Power Supply GB

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#1,742
Can anyone have a look at what's wrong here?
Bildschirmfoto 2025-04-06 um 21.05.59.png
 

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#1,745
Try bypassing the LT4320 with conventional bridge to see if it works. I have never used the model for LT4320, just know that it works. The cap multiplier is a well designed and tested circuit. I think Jhofland did LTspice simulations on it even. The output should rise from zero to final value about 1.5 to 3v less than the DC rail at the input.
 
#1,746
Try bypassing the LT4320 with conventional bridge to see if it works. I have never used the model for LT4320, just know that it works. The cap multiplier is a well designed and tested circuit. I think Jhofland did LTspice simulations on it even. The output should rise from zero to final value about 1.5 to 3v less than the DC rail at the input.
Click to expand...
for one rail everything is ok, the problem arises when both rails are connected to GND. With a conventional bridge, the same thing happens
 
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