This timer was found in English documentation from the 80's. The integrated circuit is common nowadays and the MOSFET admits equivalent according to the controlled load.
This circuit was found in a National Semiconductor manual from the 1980s. The integrated circuits used...
This circuit was found in Motorola documentation from 1968. Transistors can be modern equivalents, just...
This circuit was obtained from an English documentation, with the purpose of carrying out the...