I've posted this on various forums multiple times so you may have seen it already:
https://www.astarcloseup.com/2016/02/the-oscilloscope-artist.html I have schematic and PC board files for two new versions that use TL074s in place of the 4136s and the 741. Etched boards are also available. Begging for help dept.: I'm keen to have the device simulated in something like LTspice. It's tricky to get interesting patterns to lock and I'd like to see if precise frequency ratios are involved. It may be possible to design a new hybrid version that's more fun to use and/or add more features. I was given a spice model for the Schmitt Trigger/Integrator LFOs on another forum but I have zero experience with any sim software. Anyone interested in taking a crack at it? Terry Bowman, KA4HJH "The Mac Doctor" https://www.astarcloseup.com “...the book said something astonishing, a very big thought. The stars, it said, were suns but very far away. The Sun was a star but close up.”—Carl Sagan, "The Backbone Of Night", Cosmos, 1980 -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web, visit https://groups.google.com/d/msgid/neonixie-l/10093F7F-C441-4FF4-BAB3-00992DE527DE%40gmail.com.
