Computer/Digital RFI Solutions

Ferrite filter products can help speed up digital devices by suppressing common mode current from RFI sources OR prevent digital devices from emitting RFI on its connecting cables and power supply lines.

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/Digital RFI Solutions

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.