Comments on: Bipolar 9V Power Supply

By: George

George — Mon, 14 May 2012 18:31:36 +0000

Hi does someone know if this site has a rss Feed or any sort of a E-Mail list that I could sign up to,

Cheers.

By: Pearlie Buentello

Pearlie Buentello — Wed, 08 Feb 2012 17:46:19 +0000

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By: Hollie Brojakowski

Hollie Brojakowski — Wed, 04 Jan 2012 19:00:13 +0000

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By: brillen online

brillen online — Fri, 02 Dec 2011 23:57:17 +0000

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By: Chris Haughey

Chris Haughey — Wed, 16 Jun 2010 14:25:50 +0000

Hi Paul,
Just built this and it worked first time – result! Just one thing – I am getting about 1V differential between the + and – outputs. Th -9V is reading about 8V inother words. Any thoughts on why this might be and what I can do about it?
Cheers,
Chris

By: Dr Robb

Dr Robb — Tue, 25 May 2010 15:53:29 +0000

Can we get a voltage doubling and muliplier circuits to get a single 9V to 18V and 24V for stompboxes?!?!?? Thanks in advance.

By: IMF

IMF — Sun, 25 Apr 2010 20:50:53 +0000

If I’m not mistaken the 1/4″ jack is being used as a switch to disable power if nothing’s plugged in. You don’t need it if you’re not using batteries.

By: Brad

Brad — Sat, 10 Apr 2010 14:19:55 +0000

I don’t really understand what the purpose of the input jack is. it looks like a 1/4″, but is it supposed to represent a dc jack? if so then what do you hook up to the +9v in?

By: Nick Dunkerley

Nick Dunkerley — Thu, 08 Apr 2010 20:49:48 +0000

Will the ICL7660S work in this circuit in place of the MAX1044?

By: anon

anon — Thu, 24 Sep 2009 00:47:17 +0000

u betcha bro, any 9v supply is fine. battery sag ain’t special to this application. my 2c.