[Lab] How do you boost voltage without a transformer?

Richard Guy Briggs rgb at tricolour.net
Thu Sep 22 08:27:55 EDT 2011

On Thu, Sep 22, 2011 at 08:25:39AM -0400, Richard Guy Briggs wrote:
> On Thu, Sep 22, 2011 at 07:51:33AM -0400, Darcy Whyte wrote:
> > I have one of these: http://mambohead.com/2011/09/3-4-vdc-to-34v-booster/
> > 
> > Anybody know how they work?
> Using an oscillator at a high frequency (around 100kHz) with
> a chain of diode/capacitor voltage doublers or a much smaller
> transformer than usual.  It is a switched-mode power supply.  If you
> look carefully, you can see a transformer on that board, lower right
> side, labelled "101".
> 	http://en.wikipedia.org/wiki/Switched-mode_power_supply

Sorry, forgot to include the reference page for a voltage doubler.  It
also uses an oscillator to charge the capacitor/diode ladder to do
similar things:

> I'm going to try building something similar but from 1.5V DC up to 150V
> AC at 4kHz to power 2' of ElectroLuminescent wire to be self-contained
> in a bicycle wheel.
> 	slainte mhath, RGB

	slainte mhath, RGB

Richard Guy Briggs               --  ~\    -- ~\            <hpv.tricolour.net>
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