Found in an EEE from 1970, this circuit supplies a voltage of 12 V DC x 10 mA current from the power grid. The NOR or NAND port used is TTL.
This circuit was obtained in an American publication in 1978. It generates noise in the audio...
This approach alarm circuit was found in the September 1970 Radio Electronics issue. The 1 mH coil...
We found this motor control circuit that uses only transistors in a 2003 documentation. The H...