We found this circuit in a 1994 National Semiconductor technical documentation. The circuit can be adapted to operate with more modern equivalent operational amplifiers.
Found in an American brochure from the 90s, this circuit shows how we can implement a 4-input AND...
Found in 1968 documentation this amplifier can be designed based on current transistors. Observe...
This circuit generates short duration pulses using a 555 integrated circuit. The pulses are 120 ms...