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.
We find this circuit in a 1995 documentation. It warns when the timing is nearing its end, with...
This percussion circuit was found in an Electronics World of 1968. The transistor may be general...
The circuits shown by figure below are simple stages using JFETs. The gain are 25 and 150...