Suggested by a 90s Popular Electronics this circuit is intended to receive volleys or whistles from thunderstorms in the wave range below 20 kHz. The coil consists of 300 turns of wire 26 in a ferrite rod.
May 2017 - A revolutionary new Intel memory can now be purchased from Mouser Electronics, with the...
This traditional transistor source uses only two transistors found in a 1998 documentation. The...
We found this circuit in a 90's European schematic. The circuit can be implemented with almost any...