High-voltage experimenters have been using automotive ignition coils to generate ... audio out of this rig; with an antenna connected to the output of the coils, the system becomes a radio ...

From spark gaps made of bits of copper pipe to automotive ignition coils driven by the stalwart ... The device would also make use of an antenna feedback system that would pick up the resonant ...

Receiving transponder coils for low frequency antennas capable of reaching a sensitivity of 75 mV/µT in low frequency around 125 kHz. The KT11835 and KTZ1030, part of KOA Speer’s new KT series ...

Two new additions to KOA Speer’s KT receiving transponder coils for low-frequency antennas offer precision tolerances of ±2%, 3%, or 5%, and inductance at 125 kHz between 1 and 12 mH (KT11835 ...

Newer engines like as the Coyote, LS, and G3 Hemi have an ignition coil for each cylinder. This modern approach is called "coil near plug" or CNP, and it replaces the distributor with eight small ...