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Mike Silva wrote:
Regarding the circuit he http://www.kwarc.org/bulletin/99-04/tech_corner.htm Does this voltage doubler work any "better" (better regulation, better transformer utilization, etc) than the classic 2-diode, 2-capacitor doubler (as seen in e.g. the HP-23 supplies)? I know it uses more parts; what I'm wondering is whether the extra parts actually provide any benefits, and if so, under what circumstances. Does anybody have any actual experience with this circuit? 73, Mike, KK6GM If, as the author claims, it yeilds 120hz ripple, it will need smaller filter caps than a regular doubler and provide less ripple (lower hum). Diodes are cheap, caps are not (at least not HV high capacitance ones!) though. |
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