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Diode Pump | 5 comments (5 topical, editorial)

Re: Diode Pump (3.00 / 0) (#4)
by Bruce S (bruce(dot)stahl <at>gmail (dot)(com)) on Fri Sep 12th, 2008 at 08:46:18 AM MST
(User Info)

Brian;
The math for this can get complicated quickly.
Reason being is that the Cap size needs to be determined for both voltage and Frequency.
For a simple voltage doubler that uses diodes, then the simple circuit found in some of the diaries will work, merely use diodes that are rated for the current you're working with.
The caps that are normally used in things like diode charge pumps and such, you'll need to select them according to both frequency and voltage, BUT the voltage after each doubled stage is not linear.
Going from 6Vac to 12Vac would need to use probably a Cap rated for 25V just to be safe.

Since you have the Diodes, why not go with the simpler diode voltage doubler? will make life easier and much easier for each phase.

Cheers
Bruce S

Also, since you have 6Vac you could wind a stepup transformer.:-)

Diode Pump | 5 comments (5 topical, 0 editorial)

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