Everyone interested in electronics should build at least one Tesla coil. But be careful. Sure, the high voltage can be dangerous, but the urge to build lots of coils is even worse. [Learnelectronics] ...

If you think about it, an FM exciter is a transmitter. All it needs is a power amplifier to get RF to a desired level. That makes the exciter a vital link in the broadcast chain. An exciter is a bit ...