Hi The simple way to take care of the coax shield issue is to use a common mode choke.
Bob On Jul 20, 2014, at 12:16 PM, Attila Kinali <[email protected]> wrote: > Moin, > > On Sun, 20 Jul 2014 03:41:44 -0700 > "John Miles" <[email protected]> wrote: > >> I often find that when I use coaxial baluns to cut down on ground loop >> noise, I end up with more noise and interference than I started with. Not >> always, but often enough that I'm leery of them. > > [...] > > Thanks for the explanation. Now everything makes a lot more sense! > > If i understood you correctly, then the right thing to do would be > either to use triax (single core, two isolated shields) with the inner > shield as the ground point for the balun, while the outer shield is > connected to the transformers shield or left open. Or alternativelly > use some differntial, shielded cable. > > Apropos: does anyone know how "good" Cat5e/Cat6 cable is for timing > applications? Ie, how large is the phase shift on bending or temperature > and humidity change? > > Attila Kinali > > -- > I pity people who can't find laughter or at least some bit of amusement in > the little doings of the day. I believe I could find something ridiculous > even in the saddest moment, if necessary. It has nothing to do with being > superficial. It's a matter of joy in life. > -- Sophie Scholl > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
