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.
In the figure we have the application of a general purpose diode in the gain control of a...
We find this vibrato configuration with transistors in a 1987 documentation. The components are still...
This useful benchtop power supply uses a single LM350 integrated circuit as a regulator. The...