Found in old documentation, this circuit makes use of amplifiers of the time, uncommon today. Next to the diagram, the formula for calculating the components.
This circuit with an industrial standard 4-20 mA interface uses a KPZ20G pressure sensor but can...
This inverter with the 555 IC provides a high voltage output, but very low current. We found it in...
) The purpose of this circuit is to increase the sensitivity of an indicating instrument. We found it...