Found in the February 1983 Radio Electronics magazine, this circuit uses a FET and has good gain at the frequencies determined by the components. The FET is any general-purpose FET.
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...