These baluns and ununs can be used for impedance matching and also as End Fed halfwave antenna matching transformers to 50 or 75 ohm coax cable.
HF Linear Amplifier RFI Kit - Icom 2KL, 4KL - 5 Filters for RF In/Out, AC power, Relay/PTT, Transceiver Control
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
