This circuit can pick up medium wave stations in your ... though these parts can be salvaged from an old AM radio, to preserve the directional nature of a tuning coil, and an adjustment knob (plate ...

RFC1 = 30 turns of 24 SWG copper wire on 6 mm diam, air core X1 (transformer) = 15 turns primary, 3 turns secondary using an IFT core with tuning slug L1 = 4 turns of 22 SWG copper wire on 15 mm diam ...

plus the fact that it offers AM tuning. “In most MP3 players, the circuit noise is too strong to allow AM reception,” he explained. “But the Korean firm who builds the CC Witness has found a way to ...

Struggling talk radio staple KABC-AM (790) may be in for a make-over of Madonna-sized proportions. Just because the station doesn’t play pop music doesn’t mean it can’t take a cue from the ...