Computer RFI Kits

Elecraft KPA1500 HF Linear Amplifier RFI Kit - 15 Filters for RF In/Out, AC Power, PA KEY, Computer Control/AUX/RS232

SKU RFI-ELECRAFT-KPA1500
$129.95
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Elecraft KPA1500 HF Linear Amplifier RFI Kit - 15 Filters for RF In/Out, AC Power, PA KEY, Computer Control/AUX/RS232
Product Details
MPN: RFI-ELECRAFT-KPA1500
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: 15
Typical Use:: AC power, RF In/out, I/O control cables

KPA1500

KPA 1500 Back Panel png - Computer RFI Kits

This RFI Kit Includes are the following filters and installation guidelines:

RF Input:F240 ring – 5-9 turns of RG-58/8X size through center

RF Output:# 1 - FSB31-1 (Big Clamp on) – 3 turns of RG-8 size cable

RF Output:# 2 - FSB31-1 (Big Clamp on) – 3 turns of RG-8 size cable

PA KEY Cable: - FSB31-1/2 – multiple turns through choke – ½” diameter hole

DC Power Line: - FSB31-1 (Big Clamp on) – 2 turns through center

AC Line of DC Power Supply: - FSB31-1 (Big Clamp on) – 3 turns through center

Ports 7 to 15 : - FSB31-1/2 – multiple turns through choke – ½” diameter hole

Total ferrites: - F240 rings (1), FSB31-1 (4), FSB31-1/2 (10)

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

These RFI kits are specifically selected to cure most household computer device RFI problems. It contains ferrite toroids for AC or DC power supply protection and Snap On ferrite spli beads selected to eliminate RFI from 1 to 1000 Mhz. The beads are easy to use, don’t require modification of the protected equipment and work in almost all cases, even when plug-in filters fail. 

 

 

Typical Installations

 

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Ethernet Cable on F-240 Toroid – 7 turns

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Ethernet Cable on FSB-1/2 – 3 turns for 9X Impedance

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Ethernet Cable on FSB-1/4

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AC Cable on F-240 Toroid – 6 turns

20131210 114844 150x150 - Computer RFI Kits

DSL Modem DC Power Supply on F114-43 Toroid – 5 Turns