Spice models: Break-before-make and Make-before-break switches

[alec_t]

I have found the standard Linear Tech and Yahoo-LTS-Group Spice models for switches somewhat inconvenient to use, so built some myself. In case others find them useful, here's some for DPDT and SPDT switches of the break-before-make and make-before-break type. A voltage in the range 0V-1V, applied to a control input, controls their state.
The zip file contains a model library, .asy files and a .asc test jig.

 

[eTech]

Hi

Yes..the switch models at LTspice group aren't very convenient.
I ended up making my own that incorporate bouncing contacts.

The attached images are sims showing good and bad debounce rc timing selections.
The circuits are based on the GNassle group write up at the following link:
http://www.ganssle.com/debouncing.htm

eT