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Charge Pump PCB

Based on R.G. Keen's schematic, this board will provide approximately 18V, 25V, 33V, and -9V off of a single 9V source.  Also, it has an option for a 9V sag, letting you dial in a value between 0 and 9V.

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$4.25

-$0.75

$5.00

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Minor fix required.  Add a 2k2 resistor from lug 3 of the +9V_SAG to ground.  Only necessary if wishing to use the sag feature.

Layout designed by delyk PCBs

Data sheet

Length 46.5mm
Width 31mm
Difficulty Easy

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Charge Pump PCB

Charge Pump PCB

Based on R.G. Keen's schematic, this board will provide approximately 18V, 25V, 33V, and -9V off of a single 9V source.  Also, it has an option for a 9V sag, letting you dial in a value between 0 and 9V.

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