On Sat, 21 May 2016, David G Dixon wrote: > Yes, that's what I call a Zener bridge. I use them in my tricore VCO > designs (e.g. Dixie, Rubicon). What's the advantage over just using two Zener diodes in opposing series? -- Matthew Skala mskala at ansuz.sooke.bc.ca People before principles. http://ansuz.sooke.bc.ca/