Re: Simulating SPST and SPDT switches?

On Mon, 19 Sep 2005 09:07:21 +0100, Terry Pinnell
<terrypinDELETE@xxxxxxxxxxxxxxxxxxx> wrote:

>I've spent a few hours over the last couple of days trying to design a
>realistic and easy-to-handle simulation for break-before-make toggle
>switches. But I imagine this is re-inventing the wheel, as there must
>be well-established techniques. I'm using Circuitmaker, but I assume
>the principles must be similar in other programs.
>
>My approach so far (to the more complex case of a SPDT switch) has
>been to use two VCSs, a triangle wave input (inverted before applying
>to the 2nd VCS), and altering the respective VCS's Threshold values to
>get the 'break-before-make' delay. But I expect I'm making heavy
>weather of it, and would be grateful for shared techniques please.

That's about the only way to attack it.

...Jim Thompson
--
| James E.Thompson, P.E. | mens |
| Analog Innovations, Inc. | et |
| Analog/Mixed-Signal ASIC's and Discrete Systems | manus |
| Phoenix, Arizona Voice:(480)460-2350 | |
| E-mail Address at Website Fax:(480)460-2142 | Brass Rat |
| http://www.analog-innovations.com | 1962 |

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