W1HIS talks about how to identify ferrites in appendix 1 of this doc: http://www.yccc.org/Articles/W1HIS/CommonModeChokesW1HIS2006Apr06.pdf
-Sean WA1TE On Wed, May 31, 2017 at 9:51 PM Michael Walker <va...@portcredit.net> wrote: > This group is clearly one of the most technical groups around and if this > off topic enough, please kill it. > > The question is that if you have a box of ferrites with no labels on them, > how could you measure their ability to be used as a choke. Yes, you could > measure them and look them up assuming they came from one vendor. > > You have the usual ham tools plus a spectrum analyzer with a tracking > generator. > > Does anyone have a tried and true method for determining what their choking > impedance might be? > > Mike va3mw > _________________ > Topband Reflector Archives - http://www.contesting.com/_topband > _________________ Topband Reflector Archives - http://www.contesting.com/_topband