1.5:1 Baluns/Ununs

983046578 - 1.5:1 Baluns/Ununs
+3

HF Linear Amplifier RFI Kit - Icom 2KL, 4KL - 5 Filters for RF In/Out, AC power, Relay/PTT, Transceiver Control

RFI-LA-ICOM
$59.95
In stock
1
Product Details
MPN: RFI-LA-IC
Filter Power Rating (PEP watts): max coax cable rating
RFI Suppression Range (MHz): 1-100 MHz

Icom IC2KL, 4KL Standard RFI Kit

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

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

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

Note to PW1 owners - use the DELUXE kit that has filters for all the I/O lines, 4 antenna outputs, and multiple input lines. See part # RFI-LA-PW1

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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.