04-09-2017, 07:27 PM
Don't worry about that IF rejection coil. You can just remove it completely.
The original purpose of L1 and C3 was to serve as a trap to eliminate interference from high power marine radio stations which were in operation at the time when the radio was built. These stations operated in the LF band at frequencies around 400-500 kHz, and could cause interference at the IF frequency when picked up by the antenna. Today these stations no longer exist, and therefore the rejection circuit is no longer needed.
The original purpose of L1 and C3 was to serve as a trap to eliminate interference from high power marine radio stations which were in operation at the time when the radio was built. These stations operated in the LF band at frequencies around 400-500 kHz, and could cause interference at the IF frequency when picked up by the antenna. Today these stations no longer exist, and therefore the rejection circuit is no longer needed.
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