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.
A frequency divider for digital signals can be constructed based on a single 4018 integrated...
This 8.2 V voltage reference was found in a 1968 Electronic Design. The op amp is from the time,...
Ixys SiC Diodes IXYS silicon carbide (SiC) diodes can be found at Mouser Electronics in a current...