Jan 1, 2013 #1 A adnan012 Advanced Member level 1 Joined Oct 6, 2006 Messages 468 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,298 Activity points 4,923 hi, what is the purpose of using ferrite rods in vlf antennas? Is there any calculation required for designing such an antenna?
hi, what is the purpose of using ferrite rods in vlf antennas? Is there any calculation required for designing such an antenna?
Jan 1, 2013 #2 J jiripolivka Advanced Member level 5 Joined May 21, 2010 Messages 2,831 Helped 832 Reputation 1,662 Reaction score 803 Trophy points 1,393 Location Santa Barbara Activity points 22,010 Ferrite rods offer the small size and a good directivity. In basic textbooks you can learn the details
Ferrite rods offer the small size and a good directivity. In basic textbooks you can learn the details
Jan 1, 2013 #3 A adnan012 Advanced Member level 1 Joined Oct 6, 2006 Messages 468 Helped 2 Reputation 4 Reaction score 2 Trophy points 1,298 Activity points 4,923 Thanks for reply. Can you suggest any text book for this topic?
Jan 1, 2013 #4 C chuckey Advanced Member level 6 Joined Dec 26, 2010 Messages 4,854 Helped 1,309 Reputation 2,624 Reaction score 1,281 Trophy points 1,393 Location Southampton and holiday cottage in Wensleydale (UK Activity points 31,695 Because of the effect of the powder iron/ferrite core, the inductance is increased by a large factor , meaning that less turns can be used to achieve the same inductance. though for maximum Q only air cored coils can be used. Frank
Because of the effect of the powder iron/ferrite core, the inductance is increased by a large factor , meaning that less turns can be used to achieve the same inductance. though for maximum Q only air cored coils can be used. Frank