Re: gEDA-user: spdt, spst

[Karel Kulhavy <clock@xxxxxxxxxxxxx>]

On Wed, Jan 19, 2005 at 12:53:11PM -0600, handsome greg wrote:
> i think you have them backwards.
> 
> all is explained here http://www.kpsec.freeuk.com/components/switch.htm

Thanks. It's clear now.
I have added link to Ronja Vocabulary:
http://ronja.twibright.com/vocabulary.php
(look for the word "switch")

Cl<
> 
 
> 
> On Wed, 19 Jan 2005 16:42:09 -0200, Xtian Xultz <xultz@xxxxxxxxxxxx> wrote:
> > Em Qua 19 Jan 2005 16:31, Karel Kulhavy escreveu:
> > > On Wed, Jan 19, 2005 at 10:22:44AM -0800, John Luciani wrote:
> > > > SPST ..... Single Pole, Single Throw
> > > > SPDT ..... Single Pole, Double Throw
> > >
> > > What does "pole" and "throw" mean? I know just what north and south pole
> > > is. And also telephone pole.
> > >
> > > Cl<
> > I dont know what a telephone pole is, but a double pole, here called H-H (dont
> > know why) is when the key have a center pin, and two pins, the switch conduct
> > from the center pin to one pin in one position, and from the center to the
> > other pin in the other position.
> > Throw mean how many contacts the switch makes simultaneously. I have here
> > switches with 4 throws...
> >