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 15 V regulator uses the integrated 100 mA L series. The circuit was suggested by Motorola's Linear...
This 1992 circuit operates in the range of cordless phones used at the time. The circuit is based...
We find this circuit in the manual of the used integrated circuits. The manual is from Linear...