This circuit is intended for use with common oscilloscopes having been found in documentation on instrumentation from the 1970s. The capacitors are of the ceramic type with low parasitic inductance.
The circuit presented is from an old magazine having been translated and published in a national...
With this name, we found this electronic stethoscope with a coal microphone in a 1957 Raytheon...
This circuit should be placed between a turntable and recorder or playback media from the input to...