On Feb 12, 2011, at 8:33 PM, Mark J. Blair wrote: > Yes. They can be applied as shunt regulators OOPS! I meant to write "series regulators", not "shunt regulators". -- Mark J. Blair, NF6X <nf6x at nf6x.net> Web page: http://www.nf6x.net/ GnuPG public key available from my web page.