This Tesla coil was found in the November 1994 issue of Electronics Now magazine. T1 is a TV flyback transformer, but a car ignition coil can also be used.
The circuit in the figure indicates when the input voltage exceeds a certain value adjusted by the...
This polarization step for electret microphones was found in an Electronics Now from the 90s. The...
This 13.6 V power supply with 8 A output was suggested by Texas Instruments in the documentation of...