This very detailed Dimmer was found in an English documentation from the 90's. The SCR could be a modern equivalent like the TIC106. The circuit is only suitable for incandescent lamps.
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...