6:1 Baluns/Ununs

Model CB-6-1500 is a 6:1 (300:50) voltage balun housed in a Nema enclosure box (4″ x 4″ x 2″) with two top studs capable of input power levels up to 1.5KW PEP/500 watts continuous when used with a matched load. The 6:1 ratio takes 50 ohms input and matches to 300 ohms balanced output from 1.8-61 MHz with SWR < 1.5:1 under matched load conditions. A great balun for windoms, OCF antennas >60 feet over ground, Hertz and folded dipole antennas, T2FD etc. Dual core, Ruthroff style balun. Choose version with side eye bolts for wire attachments for OCF dipole use.

Coax Jumper Choke - RG-8X - RFI Range: 14-30 MHz, -40 dB Noise Reduction, Optimized for Yagi, Log Periodic, CB Antennas

SKU JC-1-1500CB
$29.95
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Coax Jumper Choke - RG-8X - RFI Range: 14-30 MHz, -40 dB Noise Reduction, Optimized for Yagi, Log Periodic, CB Antennas
Product Details
MPN: JC-1-1500
Country/Region of Manufacture: USA

Simple Jumper Feed Line Choke Optimized for 14-30 MHz

The simplest, most cost effective feed line choke is a ferrite ring installed as shown in the picture (at the antenna feed point) to stop feed line radiation or at the radio end of the coax to suppress common mode coax noise current on the coax braid.

Great choke for log periodics, HF beams, CB antennas and others in 14-30 MHz range

Improves antenna pattern by preventing your dipole from becoming a tripole

Suppresses pesky coax braid radiation and RFI

Reduces coax braid common mode current up to -40 dB ( 6 "S" units) on receive

Use one choke for each antenna feed line

Add a double female barrel connector to act as an "extension" of the existing coax.