Elecraft KXPA100 HF Linear Amplifier RFI Kit - 4 Filters for RF In/Out, DC Power, Relay/PTT/Computer Control
Product Details
MPN: RFI-ELECRAFT-KXPA100
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: 4
Typical Use:: DC 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 KXPA100 linear amplifier used with the KX3 and the Yaesu 817 radio (and others).
Included are the following chokes and installation guidelines:
RF Input: 1/2" Snap on – 2 turns of RG-8X size coax through center (use additional turns if using smaller cable)
RF Output: 3/4" snap on – 3-4 turns of RG-8X size cable (use additional turns if using smaller cable)1/2
Control or Relay Cable: 1/2" snap on – 2-3 turns thru center - ½” diameter hole
DC Power Line: 3/4" snap on – 2-4 turns of +/- DC cables through center
Typical user comment:
The filter was quite effective. Was surprised that it actually reduced the noise level more than the signal so S+N/N improved by 1.9 S units. Bill