In the figure we have the way to implement a monostable with an operational amplifier LM393. The configuration applies to other operators and the power supply must be symmetrical.
This logic circuit can indicate both TTL (5 V) and CMOS (5 to 12 V) output levels, operating with...
Found in old English documentation, this circuit can be built with BC548 transistors....
This circuit indicates the logic level of a digital signal. LEDs can replace the lamp, wired with...