Found in Popular Electronics from the 90s, this circuit can be used in tachometers. The integrated circuit is not a common component today.
May 2017 - Torex's XBP14E5UFN, an array of TVS circuit protection diodes with only 0.8 pF of...
This circuit produces a 2 kHz tone on a standard piezoelectric transducer. The circuit can be used as...
This circuit produces low power flashes in a LED. Frequency is adjusted by P1 and depends also on...