Balun Hybrids include an impedance balun (2:1, 4:1, 6:1, 9:1, 16:1, etc) and a 1:1 balun (choke) in a single enclosure. Use on OCF, loop, terminated dipoles and similar coax fed antennas requiring an impedance transformer Suppresses common mode current on the coax outer braid (prevents your dipole from acting as a tripole!).
KPA1500
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.
