This circuit has a maximum frequency of 10 kHz and a linearity better than 0.01%. The circuit is from an 80's documentation making use of integrated of the time.
This rev counter, which can be used in a car or engine, was found in a French magazine Radio Plans...
Using a window comparator, this circuit trips over a certain range of input voltages. Formulas for...
This circuit generates a signal rich in harmonics that extends up to close to 1 GHz, serving for...