Nov 10, 2009 #1 Z zhangm79 Member level 1 Joined Apr 5, 2006 Messages 38 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,286 Activity points 1,491 1:4 Unbalanced to Balanced transformer used in dipole, what is the meaning of 1:4? Does the impedance ratio mean that of input impedance of dipole or the impedance of each arm of dipole to 50 ohms? Thanks.:|
1:4 Unbalanced to Balanced transformer used in dipole, what is the meaning of 1:4? Does the impedance ratio mean that of input impedance of dipole or the impedance of each arm of dipole to 50 ohms? Thanks.:|
Nov 10, 2009 #2 pakitos Advanced Member level 1 Joined Nov 14, 2005 Messages 457 Helped 77 Reputation 154 Reaction score 35 Trophy points 1,308 Activity points 3,639 an increase in impedance 4 times. if the dipole is 50 ohm then the imp after the transformer is 160 ohm
an increase in impedance 4 times. if the dipole is 50 ohm then the imp after the transformer is 160 ohm
Nov 10, 2009 #3 V vfone Advanced Member level 6 Joined Oct 10, 2001 Messages 5,737 Helped 1,622 Reputation 3,249 Reaction score 1,254 Trophy points 1,393 Activity points 36,431 4 times 50 = 160 ! Well done, good answer!
Nov 12, 2009 #4 Z zhangm79 Member level 1 Joined Apr 5, 2006 Messages 38 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,286 Activity points 1,491 Thanks.