This circuit makes use of comparators and common operational amplifiers, having been found in Motorola Linear Interface ICs of 1993. The circuit requires symmetrical source.
This amplifier is from the 1982 SGS linear integrated circuit manual. The power supply must be...
This circuit for 6 lamps was found in old American documentation. The supply is of high voltage...
This circuit emits a loud sound in a headset when the driver who wears it nods while being in a...