1.5:1 Baluns/Ununs

1042221011 - 1.5:1 Baluns/Ununs
+3

50:450 ohm (9:1) CUBE™ Balun, 1.8-61 MHz, 1.5 KW, SO-239 UHF Input, BBTD, Traveling Wave Antennas

CB-9-1500TS
$119.95
In stock
1
Product Details
MPN: CB-9-1500TS (top studs), CB-9-1500EB (eyebolts)
Country/Region of Manufacture: USA
Input ohms/Output ohms: 50 in / 450 output
Frequency Range < 2:1 SWR (MHz): 1.8-61
PEP Power Rating (watts): 1500
Input Connector: SO-239
Output Connector(s): Top Studs/Side Eyebolts
Hardware Type: Stainless Steel
Enclosure Size: 4" x 4" x 2"
Weight (pounds): 3
Antenna Compatability: Folded Dipole, T2FD, BBTD, ALE

Model CB-9-1500 is a 9:1 multi-core, balanced output balun housed in a water resistant enclosure with top stud/wingnuts (TS) or Eye bolts (halyard top hoist, side eye bolts/outputs) used to translate a 50 ohm input up to 450 ohms at RF power levels up to 1500 watts PEP when used with a matched load. With matched 450 ohm load the SWR over the frequency range 1.8 to 61 MHz is less than 2:1 on the coax feed side. Actual SWR is under 1.25:1 from 1.8-180 MHz so very useful for 30-150 MHz also - see graphs for specific details

Features

* Wide Frequency Range 1.8-161 MHz, usable to 180 MHz < 1.25:1 into resistive load

* High Power, 1500 watts PEP (up to 61 MHz)

* Convenient side tab mounting feet

Many designs for BBTD antennas using 9:1 baluns at HFLINK.COM

We also have the 9:1 with the built-in 1:1 choke/balun in part# CB-9-1-1500EB


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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.