This signal multiplexer circuit for early low-frequency oscilloscopes was found in the May 1977 issue of Radio Electronics magazine. The circuit requires a symmetrical source.
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...