This driver for audio signals using the TAA435 integrated circuit was found in Philips 1968 documentation. The integrated circuit is difficult to obtain today.
This traditional unijunction transistor configuration was found in a 1980s documentation. The functions are...
This circuit was found in an American 1980s documentation. It analyzes the exhaust gas of a...
This circuit was found in the September 1993 Electronics Now magazine. It is based on the 555 and...