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.
The HV2405E integrated circuit is not very common these days. This circuit was found in the August...
This circuit was found in an American publication from the 60's. Transistors are germanium types of...
This strobe light circuit for car spot adjustment dates to 1987, when there were no electronic resources...