Found in a 1967 EEE, this circuit uses the signal from the alternating current power grid to produce pulses from a Unijunction. The circuit is directly excited by the mains voltage.
This circuit is from a technical documentation from Motorola from the 70s, and for this reason it is...
We found this circuit in a 1976 documentation. The FET can be BF245 or MPF102 and the power supply...
This miniature railway control circuit was found in an English documentation from the 1980s. The...