This HeNe laser power supply was found in the March 1989 issue of Radio Electronics magazine. This power supply generated a few thousand volts for gas ignition.
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...