1.5:1 Baluns/Ununs

HF Linear Amplifier RFI Kit - Generic DC Powered - 5 Filters for RF In/Out, DC power, AC-power, Relay PTT

SKU RFI-LA-GDC
$74.95
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HF Linear Amplifier RFI Kit - Generic DC Powered - 5 Filters for RF In/Out, DC power, AC-power, Relay PTT
Product Details
MPN: RFI-LA-GDC
Type: New
Country/Region of Manufacture: United States
Filter Power Rating (PEP watts): coaz cable limit
RFI Suppression Range (MHz): 1-100

Included are the following chokes and installation guidelines:

RF Input: F240 Ring – 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

DC Power Line: FSB-1 (Big Clamp On) – 3-6 turns through center

AC Power Line: FSB-1 (Big Clamp On) – 3-6 turns through center

This is a generic linear amplifier RFI kit for DC powered amplifiers. Works on many popular amplifiers

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.