This circuit was based on Maxim's MAX4374. The circuit senses the current in a 0 to 20 V line and has a timed output signal, with time given by R1 and C1. Power is supplied with 5V.
Found in documentation from ON Semiconductor, this circuit provides a rectangular output signal with...
We found this circuit in 1964 General Electric documentation. The circuit works with mechanical...
This very low frequency circuit was found in a 1964 Electronic Design. Transistors may be modern...