The circuit shown in the figure has an output voltage rise time of 0.22 ms and an input time constant of approximately 1 ms.
The range of generated signals depends on coil L1. The circuit was found in old English...
This circuit was suggested by Electronic Engineering in a 1980s publication. The circuit makes use...
This automotive tachometer circuit uses a FET and a 1 mA full-scale instrument. We found it in the...