Off Center Fed (OCF) Antennas

50:3200 ohm (81:1) CUBE™ Unun, 150 KHz - 3 MHz, VLF, 1000 Watts PEP

SKU CU-81-1000VLFN
$99.95
In stock
1
Product Details

The CU-81-1000VLFN is a 64:1 quad core, Unun housed in a NEMA enclosure box (4″ x 4″ x 2″) with top coax connector output of 4050 ohms used to translate a 50 Ω unbalanced coax input to 4050 Ω unbalanced output at RF power levels up to 1000 watts PEP. With a matched 4050 ohm load the SWR over the frequency range 150 KHz to 3 MHz is less than 2:1 on the coax input.

The GROUND terminal is connected to the 50 Ω INPUT connector shield.

Input and output connectors are type "N".

Also includes ground lug/wingnut connected to input and output shield connectors.

Note: Picture shows unun with 9:! ratio which is shown for illustration of the form factor. Actual 16:1 balun will have the proper label and frequency range.



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OCF antennas are very convenient as they will allow multiple bands of operation with a simple wire antenna which is fed off center with a 4:1 OCF Current balun with built in feed line choke,