In the figure we have 3 oscillators with logic gates that can be triggered by external logic signals. The circuits were found in the Radio Electronics magazine of April 1987.
Suitable for the use with sensors, this circuit from National Semiconductor appears in other...
The circuit presented emulates an OR gate with the LM3900, operational transconductance amplifier....
This circuit has a very high input impedance and a very low output impedance. We found it on a...