How to get 15V sym out of a 9V power supply

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Majestic12

Well-known member
Joined
Jan 10, 2011
Messages
590
Location
Germany
I'm building a ringmodulator effect pedal for the guitar player in my band. The circuit needs (+15)-0-(-15)V to run. Does anybody have a schematic for a DC-DC converter circuit that suitable ?

 
First, you must decide if the circuit would work with +/- 9 V, that would save one converter.
Now you must know the current requirement. If it's only a few mA, you could use charge-pump, but I would think the current requirement is more about some tens of mA, so I would suggest you buy one og these ready-made potted converters that can be had for less than 5 bucks.
 

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