This circuit was found in a 1967 Japanese documentation. It consists of a touch control system with two transistors from the time. The circuit uses a power source and sensitive relays.
This powerful motor control was found in a Philips publication from 1970. The components are from...
The L coil of this receiver determines the received waveband. The circuit is from a 1963...
We found this circuit in a French technical documentation from 1982. The circuit can be...