We found this circuit in the Radio Electronics magazine of May 1977. The circuit has the frequency given by the components according to the formula next to the diagram.
This circuit with an industrial standard 4-20 mA interface uses a KPZ20G pressure sensor but can...
We found this circuit in the March 1992 issue of Radio Electronics magazine. The circuit has a...
Found in a 1964 Electronic Design, this circuit suppresses arcs that occur in contacts when a...