The circuit shown in the figure can be used on a data transfer bus using an appropriate family integrated. The circuit is TTL technology and must be powered from a 5 V supply.
This circuit makes use of high voltage transistors and can be connected to the 110 V (117 V)...
This selectivity multiplier circuit for 455 kHz IF receivers was found in American documentation from the...
Found in a 90s Popular Electronics, this touch switch uses a single sensor. PLLs are common today....