1.5:1 Baluns/Ununs

439892343 - 1.5:1 Baluns/Ununs
+3

HF Linear Amplifier RFI Kit - Drake L4, L7 - 5 Filters

RFI-LA-DR
$74.50
In stock
1
Product Details
MPN: RFI-LA-DR
Filter Power Rating (PEP watts): max coax cable rating
RFI Suppression Range (MHz): 1-100 MHz

Included are the following chokes and installation guidelines:

RF Input: F240 toroid – 5-9 turns of RG-58 size through center

RF Output: FSB-1 (Big Clamp on) – 3 turns of RG-8 size cable

Relay Cable: FSB-1/2 – multiple turns through choke – ½” diameter hole

AC Power Line: FSB-1 (Big Clamp on) – 3 turns through center

DC Power Line: FSB-1 (Big Clamp on) – 3 turns through center

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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.