2:1 (100:50) Baluns are useful between 50 ohm coax and 100 ohm balanced lines for loops, cubical quads, log periodics and other antennas where the impedance at the end of the feedline is 100 ohms (1/2 wavelength feedline).
RFI/EMI Solutions from KHz to GHz
Quantity | Price per item | Discount |
2 items | $11.95 | 14% off |
10 items | $10.95 | 22% off |
100 items | $9.95 | 29% off |
Ferrite Slip On Bead, ID = 1in/25.4mm, Mix 43
Application Note: use 9 turns of 1/4" coax for good feed line choke from 3-54 MHz, 5KW
Also useful for choking DC cables, large coax sleeve chokes, and impedance transformers