1.5:1 Baluns/Ununs

OCF Antenna Feed Line Choke - RG8X - RFI Range: 1.8-61 MHz

OCFFLC
$27.95
In stock
1
Product Details
MPN: OCFFLC

Off Center Fed (OCF) Antenna Feed Line Choke for 1/4" coax (1.8-61 MHz)

Got an off center fed antenna fed with RG-8X size coax and having feed line radiation (RFI) problems?

This feed line choke will help solve the problem of feed line radiation (which causes RFI to nearby object close to you coax) as well as Improving antenna pattern by preventing your dipole from becoming a tripole

Simple to install as an extension to your existing coax feed line using a female to female barrel connector (available separately).

Install quickly, reduce your coax radiation issues and start working more DX with a better transmission (and reception) antenna pattern.

Also works with single or multi-band loop antennas using a 2:1, 4:1 or 6:1 transformer without a choke.


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50 ohm coax to 75 ohm balanced output baluns are useful for low (< 1 wavelength) dipoles exhibiting 75 ohm characteristic impedance or for matching to balanced ladder line whose endpoint impedance is near 75 ohms.

50 ohm coax to 75 ohm CATV coax connections are easily done with a 1.5:1 unun with SO-239 connectors on input and output.  Likewise 50 ohm coax to unbalanced verticals or loads near 75 ohms can be matched with a 1.5:1 unun.