Paolo: I wonder if you could suffer a little line loss and match the balun with a resistive minimum loss pad and use 50 ohm connecotrs?. That way you could minimiz reflections and possiby improve EMC?
My two sents worth. Ralph Cameron EMC Culting and Suppression of Consumer Electronics (After Sale)- ----- Original Message ----- From: "Paolo Roncone" <paolo...@tin.it> To: <emc-p...@majordomo.ieee.org> Sent: Wednesday, May 30, 2001 11:53 AM Subject: Ethernet baluns > > Hi everyone: > > I'm looking for a passive (no ac/dc power supply needed) balun to convert > from an Ethernet 10b2 (unbalanced coax 50 ohm) to an Ethernet 10bT > (balanced, twisted pair, UTP, 100 ohm). > Anyone knows if this kind of box exists ? So far I came up with a perfect > match, but for the impedance of the coax connector (75 ohms instead of 50 > ohms). > We need this in order to improve the EMC behavior of the 10b2 Ethernet that > we have to live with (you bet it's a real damn pain in the neck EMC-wise !!!). > > Thanks > Paolo > > > ------------------------------------------- > This message is from the IEEE EMC Society Product Safety > Technical Committee emc-pstc discussion list. > > Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ > > To cancel your subscription, send mail to: > majord...@ieee.org > with the single line: > unsubscribe emc-pstc > > For help, send mail to the list administrators: > Michael Garretson: pstc_ad...@garretson.org > Dave Heald davehe...@mediaone.net > > For policy questions, send mail to: > Richard Nute: ri...@ieee.org > Jim Bacher: j.bac...@ieee.org > > All emc-pstc postings are archived and searchable on the web at: > http://www.rcic.com/ click on "Virtual Conference Hall," > > ------------------------------------------- This message is from the IEEE EMC Society Product Safety Technical Committee emc-pstc discussion list. Visit our web site at: http://www.ewh.ieee.org/soc/emcs/pstc/ To cancel your subscription, send mail to: majord...@ieee.org with the single line: unsubscribe emc-pstc For help, send mail to the list administrators: Michael Garretson: pstc_ad...@garretson.org Dave Heald davehe...@mediaone.net For policy questions, send mail to: Richard Nute: ri...@ieee.org Jim Bacher: j.bac...@ieee.org All emc-pstc postings are archived and searchable on the web at: http://www.rcic.com/ click on "Virtual Conference Hall,"
