We found this circuit in a 1963 Radio Electronics. It can be used for remote control. The frequency depends on the coil and the power is supplied by a single battery.
When the equipment powered by the SO1 socket is turned on, the SO2 socket is automatically...
This microcircuit that fits in an aspirin box was published in Radio Electronics magazine in...
This circuit was found in an American publication from the 50's. The transistors are made of...