This circuit found in 1969 Popular Electronics is used to power a gas laser. The circuit produces a continuous voltage of 1,600 V. Diodes are high voltage types.
This excellent quality transistor amplifier using Darlington transistors was found in a 1980s...
We find this circuit in an American 1980s documentation. Modern equivalent integrated circuits can be...
This circuit is intended to manipulate a transmitter (CW) from coded audio signals recorded on a...