h bridge control THANKS

Archiver

Thanks for your help. I end up using a design from the nuts and volts
archives. It uses only 2 transistors but also two power sources. It is
also supposed to deliver around 90% efficiency, I believe. Thanks again.


>From: "rjmca" <rjmca@w...>
>Reply-To: basicstamps@egroups.com
>To: <basicstamps@eGroups.com>
>Subject: Re: [noparse][[/noparse]basicstamps] h bridge control
>Date: Mon, 26 Jun 2000 23:50:22 -0400
>
>Check the Nuts and Volts archives. They had some good H-bridge writeups,
>(I
>believe in the April & May 2000 issues.)
>
>Also, someone on this list suggested http://www.cadvision.com/blanchas. It
>had some informative discussions using Mosfets for H-bridges.
>
>Good luck,
>Ray McArthur
>
> > Can anyone suggest a simple h bridge design?
> >
> > Can the job be accomplished with 4 transistors and some protection
>diodes??
> > I don't have much experience with transitors and am worried about having
>to
> > find the right resistor values to bias them.
> > Also, where should any caps go to minimize trans. voltages???
> >
> > I only want to control 2 dc motor gearboxes.. I believe they are rated
>at
>3
> > volts and about 0.9 amps.
>
>
>
>
>
>

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