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A comment on Pump up the charge: Getting -5V from a 5V power supply. Parent comment
https://www.maximintegrated.com/en/design/technical-document...
In my case, I was looking for a way to get decent analog power from a USB port for a non audio related project, but a LiPo battery would present a similar challenge.
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https://www.maximintegrated.com/en/design/technical-document...
In my case, I was looking for a way to get decent analog power from a USB port for a non audio related project, but a LiPo battery would present a similar challenge.