Transceiver RFI Kits

 

940463387 - Transceiver RFI Kits
+3

Coax Inline Common Mode Choke Unun - 500 Watts 50-450 MHz

FC-8X-5-61
$39.95
In stock
1
Product Details
Brand: Palomar Engineers
MPN: FC-8X-5-61
PEP Power Rating (watts): 500 Watts PEP
Estimated Insertion Loss (db): .025
Input Connector Type: PL-259 male
Output Connector Connector Type: PL-259 male
Ground Connector (Y/N): none
Enclosure Size (LxWxH inches): 3 foot cable

ASSEMBLED COAX FEED LINE CHOKES

Many customers have requested an assembled sleeve unun or balun 1/4" size cable and we have one all completed with shrink tubing and PL-259 end connectors or open ended on one end for a balanced connection such as a beam, dipole, etc.

All you need to add are 2 barrel connectors (Part # DFBC-1) to insert into your coax cable. For best results add one feed line choke at the antenna to keep the RF on the antenna and another feed line choke at the station entrance to reduce the common mode noise picked up by the antenna braid and fed into the station. Rated 500 watts from 50-450 MHz into 1:1 SWR load. Common Mode Rejection Ratio up to 20 dB (over 3 "S" units) - see graph for specifics..


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Also make sure you connect a good RF ground to the transceiver ground post.

Note to Flex Radio users:  Use snap on ferrites for firewire cable, speaker cable and mic cable,  Ring ferrites for Antenna output and DC power.

For additional RFI suppression, use a feed line choke at the antenna to suppress common current on the coax feed line – see our store for feed line choke alternatives for use at the antenna.

 

If you use a linear amplifier we have RFI kits for linear amplifiers that help suppress RFI in your shack or in your neighbor’s house.