This old two-stage video amplifier uses integrated circuits that are not easily obtainable today. The circuit is for analog video and was found in an American 1980s documentation.
The circuit shown here is a CCO. The frequency here depends on the current through the...
This circuit, using a unijunction transistor (UJT), converts a voltage applied to the input in a...
The ESDZ series of protection diodes from STMicroelectronics can be purchased from Mouser...