This circuit provides a logic output signal when the voltage exceeds a certain value. The circuit is from the 1994 Linear Applications Handbook by National Semiconductor.
We found this circuit in a documentation from the 90s. It lets frequencies around 1 kHz pass,...
The circuit shown by the figure below can produce signals in the range between 20 kHz and 30 kHz....
This circuit is from a publication from 1980 and can be used as an amplifier to supply loads up to...