This circuit is from the Motorola Linear Databook of 1990 and can be implemented with other operational amplifiers. The power supply must be symmetrical.
This circuit trips when a negative pulse is applied to its input or when the voltage drops below a...
August 2017 - The new N-channel MOSFETs from Vishay's TrenchFET Gen IV family can now be purchased from...
The frequency of the produced sound depends on the capacitor. With capacitors of known values, you can...