Mobile Station RFI Kits

2465476302 - Mobile Station RFI Kits

Elecraft KPA500 HF Linear Amplifier RFI Kit - 5 Filters for RF In/Out, AC Power, PA KEY, Computer Control/AUX/RS232

Store/RFI Solution Kits/Radio Communication RFI Solutions/Linear Amplifier RFI Kits
SKU RFI-ELECRAFT-KPA500
$49.95
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Elecraft KPA500 HF Linear Amplifier RFI Kit - 5 Filters for RF In/Out, AC Power, PA KEY, Computer Control/AUX/RS232
Store/RFI Solution Kits/Radio Communication RFI Solutions/Linear Amplifier RFI Kits
Product Details
MPN: RFI-ELECRAFT-KPA500
Type: New
Country/Region of Manufacture: United States
Filter Power Rating (PEP watts): coax cable limit
RFI Suppression Range (MHz): 1-300 MHz
# Ferrite Filters: 5
Typical Use:: AC power, RF In/out, I/O control cables

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

Specially designed for the Elecraft KPA500 linear amplifier used with the KX3 and similar transceivers.

Included are the following chokes and installation guidelines:

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

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

AC Power Line:F240 ring – 5-6 turns through center

Computer/RS232/AUX Cable:FSB-1/2 – multiple turns through choke – ½” diameter hole

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

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Mobile RFI kits work two ways: They suppress RFI from on board computers and other sensing/control devices in your vehicle that may cause your radio to be a VICTIM of RFI, and second they suppress RFI generated by your radio as a SOURCE which may affect your on board computers or other devices.  Mobile operations of HF radios (1-30 Mhz) tend to experience more RFI effects than VHF/UHF mobile stations.  If you have both HF and VHF installations in your vehicles, you may need both kits.

To address separate solutions we have developed two separate RFI kits: one for HF (1.8-300 MHz) mobile installations and another for VHF/UHF (30-1000 MHz) mobile installations.  Each kit uses the appropriate ferrite mix for the frequency range desired.