Found in Popular Electronics from the 90s, this circuit consists of a timer that turns off the power of a circuit after a time determined by C1, saving the battery.
This two-tone decoder has a bandwidth of 24%. The circuit is from a 1994 Electronics Now. The...
This power oscillator uses an LM380 amplifier. We found it in old English documentation. The C3...
PIC16F19197 Microcontroller Family Combines Battery-Friendly LCD Drive with Core Independent...