The cut-off frequency of the circuit shown in the figure is 750 Hz, with the components used. The circuit applies to almost any operational amplifier and the power supply must be symmetrical.
This circuit was obtained in a 1982 publication. There are many types of car alarms available to...
This circuit was found in a 1998 documentation. It makes use of 741 or other operational...
In the figure we give the set-reset flip-flop configuration in which two Norton amplifiers are used in...