Found in Unitrode documentation, this oscillator uses some unusual components today such as PU and the 3 M potentiometer. The power can be made with voltages around 15 V.
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...