CMOS Split supply generator

[Dragonfly]

With a few adjustments, useful for us ....

http://www.techlib.com/electronics/splitsupply.htm

[The Tone God]

That style of circuit has been around for a long time. They tend to be noisy and horrible inefficient.

Andrew

[Dragonfly]

That style of circuit has been around for a long time. They tend to be noisy and horrible inefficient.

Andrew

They also happen to be made from parts that many people have in their "junk box", so in a pinch......