This circuit was found in a 1967 documentation. It is intended for triggering a xenon LASER. Observe the high operating voltages of the circuit. The components used are uncommon today.
This circuit was found in an Electronic Design from the 90's. Its purpose is to stretch pulses used...
This good amplifier with output in complementary symmetry is from an old publication, and modern...
This circuit emits a sound at regular intervals to prevent you from falling asleep, for example. It...